LG INNOTEK CO., LTD. patent applications published on November 9th, 2023

Summary of the patent applications from LG INNOTEK CO., LTD. on November 9th, 2023

LG INNOTEK CO., LTD. has recently filed several patents related to sensor driving devices, camera modules, and wireless power transmission. These patents aim to improve the functionality and efficiency of these technologies.

Summary: LG INNOTEK CO., LTD. has filed patents for a sensor driving device with a first and second substrate, an image sensor, and protrusion parts on the second substrate. They have also filed patents for camera modules consisting of lens housings, substrate assemblies, and shield cans. Additionally, LG INNOTEK CO., LTD. has filed patents for methods and systems for wireless power transmission, including power receivers and transmitters that can detect the presence of foreign objects in the charging area.

Notable Applications:

• Sensor driving device with protrusion parts on the second substrate to improve functionality.
• Camera module design with lens housings, substrate assemblies, and shield cans for improved protection and efficiency.
• Methods for wireless power transmission that include detecting foreign objects in the charging area and adjusting power transmission accordingly.
• Power receivers and transmitters that can detect the presence of foreign objects and adjust power transmission based on the detection.

Summary in bullet points:

• Sensor driving device with protrusion parts on the second substrate.
• Camera module design with lens housings, substrate assemblies, and shield cans.
• Methods for wireless power transmission with foreign object detection.
• Power receivers and transmitters that adjust power transmission based on foreign object detection.

Patent applications for LG INNOTEK CO., LTD. on November 9th, 2023

DESICCANT ASSEMBLY FOR HUMIDITY CONTROL WITHIN A SENSOR HOUSING (18153209)

Main Inventor

Bayard G. GARDINEER

Brief explanation

The patent application describes a desiccant assembly used in a sensor housing.

• The desiccant assembly includes a desiccant chamber that holds a desiccant element.
• A transfer window is positioned between the desiccant chamber and a sensor chamber in the housing.
• A permeable membrane covers the transfer window, allowing water vapor to transfer from the sensor chamber to the desiccant chamber.
• The purpose of the desiccant assembly is to remove moisture from the sensor chamber, ensuring accurate sensor readings.
• This innovation helps to maintain the performance and reliability of sensors in various applications.

Abstract

In some implementations, a desiccant assembly within a sensor housing may include a desiccant chamber configured to hold a desiccant element; a transfer window positioned between the desiccant chamber and a sensor chamber of the sensor housing; and a permeable membrane covering the transfer window and configured to allow water vapor to transfer from the sensor chamber to the desiccant chamber.

LIGHTING DEVICE AND LAMP COMPRISING SAME (18021947)

Main Inventor

Se Yeon CHOI

Brief explanation

The patent application describes a lighting device that includes several components: a reflective layer, a resin layer, a substrate with an electrode layer, multiple light emitting devices, and a light blocking layer.

• The lighting device has a reflective layer, which helps to enhance the brightness and efficiency of the emitted light.
• A resin layer is placed on top of the reflective layer, providing support and protection for the other components.
• The substrate, which is positioned on the resin layer, contains an electrode layer that facilitates the electrical connection of the light emitting devices.
• Multiple light emitting devices are placed between the resin layer and the substrate, producing the actual light output.
• A light blocking layer is positioned on the substrate, preventing unwanted light leakage.
• The electrode layer on the substrate has two pattern regions: a first pattern region adjacent to the light emitting devices, and a second pattern region outside the first pattern region with a different size pattern.
• The light blocking pattern region overlaps vertically with the first pattern region, ensuring effective light blocking and preventing interference between the different patterns.

Abstract

A lighting device disclosed in an embodiment of this invention includes a reflective layer, a resin layer disposed on the reflective layer, a substrate disposed on the resin layer and including an electrode layer, a plurality of light emitting devices disposed between the resin layer and the substrate, and a light blocking layer disposed on the substrate, the electrode layer may include a first pattern region disposed adjacent to the light emitting device and a second pattern region disposed outside the first pattern region and having a pattern different in size from the first pattern region, and the light blocking pattern region may overlap in a vertical direction with the first pattern region.

LIDAR RANGE ENHANCEMENT USING PULSE CODING (17738797)

Main Inventor

Yahia TACHWALI

Brief explanation

The patent application describes a temporal pulse coding scheme for pulsed lidar systems used in autonomous vehicles.

• The pulse coding scheme helps eliminate range ambiguity caused by aliasing effects.
• It can also be combined with cyclic re-mapping to extend the maximum range of the lidar detector.
• Additionally, pulse coding can be used in conjunction with arm coding to make range determinations over a continuous range without any dead zones.

Abstract

A temporal pulse coding scheme is disclosed for use in operating pulsed lidar systems, and in particular, pulsed lidar systems used as sensors on autonomous vehicles. Pulse coding can be implemented to eliminate range ambiguity due to aliasing effects. Alternatively, pulse coding can be used with cyclic re-mapping to extend the maximum range of the lidar detector. Pulse coding can be further combined with arm coding to make range determinations over a continuous range having no dead zones.

LENS DRIVING DEVICE AND CAMERA MODULE (18224812)

Main Inventor

Kap Jin LEE

Brief explanation

The patent application describes a lens driving device that includes a housing, a bobbin, a magnet, a dummy member, a first coil, and a substrate.

• The lens driving device is designed to move a lens for focusing or zooming in optical devices.
• The housing is the main structure that holds all the components of the lens driving device.
• The bobbin is located inside the housing and is used to wind the first coil.
• The magnet and the dummy member are positioned within the housing.
• The first coil is placed on the bobbin and is used to generate a magnetic field.
• The substrate, which includes a second coil, is positioned to face the magnet.
• The housing is made up of four side parts: two facing each other and two facing each other.
• The magnet is divided into three units: one at the first side part, one at the third side part, and one at the fourth side part.
• The dummy member is located at the second side part of the housing.

Abstract

A lens driving device includes a housing; a bobbin disposed in the housing; a magnet and a dummy member, arranged at the housing; a first coil disposed on the bobbin; and a substrate including a second coil facing the magnet. The housing includes a first and a second side part facing each other and a third and a fourth side part facing each other. The magnet includes a first magnet unit disposed at the first side part, a second magnet unit disposed at the third side part, and a third magnet unit disposed at the fourth side part. The dummy member is disposed at the second side part.

LENS ASSEMBLY, CAMERA MODULE, AND OPTICAL DEVICE (18350398)

Main Inventor

Youn Baek JEONG

Brief explanation

The patent application describes a lens assembly that includes a holder, a lens module, an optical module, and a conductive substrate.

• The lens assembly consists of a holder, which holds the other components together.
• Inside the holder, there is a lens module, which is responsible for focusing the light.
• Above the lens module, there is an optical module, which is connected to a conductive substrate.
• The conductive substrate is made up of a body part and an extension part.
• The extension part extends from one end of the body part and includes a terminal part.
• The holder has a second lateral surface that is recessed inwards from a portion of the first lateral surface.
• At least a portion of the extension part is located on the second lateral surface of the holder.

Abstract

A lens assembly can include: a holder; a lens module disposed at an inner side of the holder; an optical module disposed at an upper side of the lens module; and an conductive substrate electrically connected to the optical module. The conductive substrate includes: a body part disposed at an upper side of the holder; and an extension part extended from one end of the body part, and including a terminal part, the holder includes a second lateral surface formed by being recessed inwards from a portion of a first lateral surface, and at least a portion of the extension part is disposed at the second lateral surface.

OPTICAL IMAGE STABILIZATION (OIS) UNIT OF A CAMERA MODULE (18215443)

Main Inventor

Sangyun OH

Brief explanation

The patent application describes an Optical Image Stabilization (OIS) unit.

• The OIS unit includes a base and a holder module.
• The holder module consists of an outer blade, a bobbin, and a spring member.
• A first coil is placed on the bobbin and a magnet is used to interact with the first coil.
• A second coil is also included to interact with the magnet.
• A wire is connected to the holder module and a first end portion of the wire is fixed with a first connection unit.
• A buffer portion, made of adhesive material, is placed on a part of the wire.
• The maximum width of the buffer portion, in a direction perpendicular to the wire, is greater than the maximum width of the first connection unit.

Abstract

An Optical Image Stabilization (OIS) unit including a base; a holder module comprising an outer blade spaced apart from the base, a bobbin disposed in the outer blade, and a spring member connecting the outer blade and the bobbin; a first coil disposed on the bobbin; a magnet configured to interact with the first coil; a second coil configured to interact with the magnet; a wire coupled with the holder module; a first connection unit fixing a first end portion of the wire; and a buffer portion disposed on a part of the wire and comprising an adhesive material. Further, in a direction perpendicular to the wire, a maximum width of the buffer portion is greater than a maximum width of the first connection unit.

LENS MOVING APPARATUS, CAMERA MODULE AND OPTICAL APPLIANCE INCLUDING THE SAME (18351551)

Main Inventor

Sang Ok PARK

Brief explanation

The patent application describes a lens moving apparatus that includes a bobbin, a coil, a magnet, a housing, an elastic member, and a support member.

• The lens is mounted on a bobbin, which can be moved using electromagnetic interaction between a coil and a magnet.
• The bobbin is accommodated within a housing.
• An elastic member, consisting of an inner frame and an outer frame, is connected to the bobbin and the housing.
• The inner and outer frames are connected to each other using a frame connection portion.
• A support member is connected to the elastic member and supports the housing.
• The outer frame has a first coupling portion connected to the housing and a second coupling portion connected to the support member.
• The first and second coupling portions are spaced apart from each other.
• A single connection portion connects the first and second coupling portions to each other.

Abstract

Embodiments provide a lens moving apparatus including a bobbin in which a lens is mounted, a first coil and a magnet configured to electromagnetically interact with each other so as to move the bobbin, a housing configured to accommodate the bobbin therein, an elastic member including an inner frame coupled to the bobbin, an outer frame coupled to the housing, and a frame connection portion configured to connect the inner frame and the outer frame to each other, and a support member connected to the elastic member and configured to support the housing, and the outer frame includes a first coupling portion coupled to the housing, a second coupling portion coupled to the support member, the second coupling portion being spaced apart from the first coupling portion, and a single connection portion configured to connect the first coupling portion and the second coupling portion to each other.

CAMERA ACTUATOR AND CAMERA DEVICE COMPRISING SAME (17905308)

Main Inventor

Jung Hwan BANG

Brief explanation

- The patent application describes a camera actuator that includes a housing, a mover, and a drive.

- The mover is located within the housing and includes an optical member. - The drive is also located within the housing and is responsible for driving the mover. - The drive consists of a drive magnet, a drive coil placed opposite to the drive magnet, a sensor unit for sensing the position of the mover, and a substrate unit connected to the sensor unit. - There is also a second sensor unit that is opposite to and connected in series to the first sensor unit. - The camera actuator aims to provide improved functionality and performance for cameras.

Abstract

An embodiment of the present invention discloses a camera actuator comprising: a housing; a mover disposed in the housing and including an optical member, and a drive disposed in the housing so as to drive the mover, wherein: the drive comprises a drive magnet, a drive coil placed opposite to the drive magnet, a sensor unit for sensing the position of the mover, and a substrate unit connected to the sensor unit, and a second sensor unit opposite to and connected in series to the first sensor unit.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223449)

Main Inventor

Jae Hee PARK

Brief explanation

This patent application describes a wireless power transmitter that can transmit power to a wireless power receiver. The transmitter includes a wireless communication unit and a controller. The wireless communication unit is used to communicate with the wireless power receiver, and the controller is responsible for generating a foreign object detection indicator.

• The wireless power transmitter can communicate with the wireless power receiver.
• The transmitter can detect whether a foreign object is present in the charging area.
• The foreign object detection indicator is used to indicate the presence of a foreign object.
• The wireless power receiver sends two packets of information to the transmitter.
• The first packet includes a reference value and mode information.
• The second packet also includes a reference value and mode information.
• The mode information in each packet indicates whether the reference value is a quality factor or a peak frequency of the wireless power receiver.

Abstract

A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a wireless communication unit configured to communicate with the wireless power receiver; and a controller, wherein the wireless communication unit receives, from the wireless power receiver, a first foreign object status packet and a second foreign object status packet and transmits, to the wireless power receiver, a foreign object detection indicator indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the controller is configured to generate the foreign object detection indicator, wherein the first foreign object status packet includes a first reference value and mode information, wherein the second foreign object status packet includes a second reference value and mode information, wherein the mode information of the first foreign object status packet indicates whether the first reference value is a reference quality factor or a reference peak frequency of the wireless power receiver, and wherein the mode information of the second foreign object status packet indicates whether the second reference value is the reference quality factor or the reference peak frequency of the wireless power receiver.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223453)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a method for wireless power transmission that involves detecting foreign objects in the charging area of a wireless power transmitter. 

• The method involves receiving two packets of information from a wireless power receiver.
• The first packet includes a reference value and mode information, while the second packet includes a different reference value and mode information.
• The mode information in each packet indicates whether the reference value represents a quality factor or a peak frequency of the wireless power receiver.
• The wireless power transmitter then transmits a foreign object detection indicator to the receiver, indicating whether a foreign object is present in the charging area.

Abstract

A wireless power transmission method including receiving, from a wireless power receiver, a first foreign object status packet and a second foreign object status packet; and transmitting, to the wireless power receiver, a foreign object detection indicator indicating whether a foreign object is present in a charging area of a wireless power transmitter, wherein the first foreign object status packet includes a first reference value and mode information, wherein the second foreign object status packet includes a second reference value and mode information, wherein the mode information of the first foreign object status packet indicates whether the first reference value is a reference quality factor or a reference peak frequency of the wireless power receiver, and wherein the mode information of the second foreign object status packet indicates whether the second reference value is the reference quality factor or the reference peak frequency of the wireless power receiver.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223455)

Main Inventor

Jae Hee PARK

Brief explanation

The patent application describes a wireless power receiver that receives power from a wireless power transmitter. 

• The wireless power receiver includes a wireless communication unit that communicates with the wireless power transmitter.
• It also includes a controller that is responsible for controlling the power transmission procedures.
• The wireless communication unit sends two foreign object status packets to the wireless power transmitter.
• It receives a first foreign object detection indicator, which can be a positive or negative response signal, in response to the first foreign object status packet.
• It also receives a second foreign object detection indicator, which can be a positive or negative response signal, in response to the second foreign object status packet.
• The controller proceeds to a first power transmission procedure when both foreign object detection indicators are positive.
• If at least one of the foreign object detection indicators is negative, the controller proceeds to a second power transmission procedure that requests termination of power transmission or a third power transmission procedure that is different from termination.

Abstract

A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a wireless communication unit configured to communicate with the wireless power transmitter; and a controller, wherein the wireless communication unit transmits a first foreign object status packet and a second foreign object status packet to the wireless power transmitter, wherein the wireless communication unit receives, from the wireless power transmitter, a first foreign object detection indicator including a positive response signal or a negative response signal to the first foreign object status packet, wherein the wireless communication unit receives, from the wireless power transmitter, a second foreign object detection indicator including a positive response signal or a negative response signal to the second foreign object status packet, and wherein the controller is configured to proceed to a first power transmission procedure when both the first foreign object detection indicator and the second foreign object detection indicator include the positive response signal, or is configured to proceed to a second power transmission procedure that requests termination of power transmission or proceed to a third power transmission procedure different from the termination of the power transmission when at least one of the first foreign object detection indicator and the second foreign object detection indicator includes the negative response signal.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223457)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a wireless power reception method that involves transmitting status packets to a wireless power transmitter and receiving detection indicators in response. 

• The method includes transmitting a first and second foreign object status packet to the wireless power transmitter.
• The wireless power transmitter sends back a first and second foreign object detection indicator, which can be a positive or negative response signal.
• If both detection indicators are positive, the method proceeds with a first power transmission procedure.
• If at least one detection indicator is negative, the method either requests termination of power transmission or performs a third power transmission procedure different from termination.

Abstract

A wireless power reception method including transmitting a first foreign object status packet and a second foreign object status packet to a wireless power transmitter; receiving, from the wireless power transmitter, a first foreign object detection indicator including a positive response signal or a negative response signal for the first foreign object status packet and a second foreign object detection indicator including a positive response signal or a negative response signal for the second foreign object status packet; power receiving of performing a first power transmission procedure when both the first foreign object detection indicator and the second foreign object detection indicator include the positive response signal, or performing to a second power transmission procedure of requesting termination of power transmission or performing to a third power transmission procedure different from the termination of the power transmission when at least one of the first foreign object detection indicator and the second foreign object detection indicator includes the negative response signal.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223958)

Main Inventor

Jae Hee PARK

Brief explanation

- The patent application describes a power transmission method for a wireless power transmitter.

- The method involves receiving a packet from a wireless power receiver, which includes information about a reference quality factor or a reference peak frequency, as well as other packets related to signal strength, power transfer, power control, error control, renegotiation, reception power, and charging status. - The method then determines whether there is a foreign object present in the charging area of the wireless power transmitter based on the received packet. - A foreign object detection indicator is generated based on the determination and transmitted back to the wireless power receiver. - The byte encoding technique used in the method involves inserting a start bit, a stop bit, and a parity bit into an encoded binary bit stream of a packet with a length of 8 bits.

Abstract

A power transmission method for a wireless power transmitter, the power transmission method including receiving, from a wireless power receiver, a foreign object detection (FOD) status packet including information on a reference quality factor or a reference peak frequency, and at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a control error packet, a renegotiation packet, an eight-bit reception power packet, and a charging status packet to which a byte encoding technique is applied; determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and generating a foreign object detection indicator indicating whether the foreign object is present in the charging area of the wireless power transmitter based on a result of the determination and transmitting the generated foreign object detection indicator to the wireless power receiver, wherein the byte encoding technique is a technique of inserting a start bit, a stop bit, and a parity bit into an encoded binary bit stream of a packet having a length of 8 bits.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223960)

Main Inventor

Jae Hee PARK

Brief explanation

- The patent application describes a wireless power transmitter that can transmit power to a wireless power receiver.

- The transmitter includes a wireless communication unit that can communicate with the receiver. - A controller is also included in the transmitter to process the received communication packets. - The wireless communication unit can receive various types of packets from the receiver, including foreign object detection (FOD) status, signal strength, end power transfer, power control hold-off, control error, renegotiation, eight-bit reception power, and charging status packets. - The controller uses the FOD status packet to determine if there is a foreign object present in the charging area of the transmitter. - If a foreign object is detected, the wireless communication unit sends a foreign object detection indicator to the receiver. - The FOD status packet contains information about a reference quality factor or a reference peak frequency. - The byte encoding technique used in the packets involves inserting a start bit, a stop bit, and a parity bit into an encoded binary bit stream of a packet with a length of 8 bits.

Abstract

A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a wireless communication unit configured to communicate with the wireless power receiver; and a controller, wherein the wireless communication unit receives a foreign object detection (FOD) status packet, and at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a control error packet, a renegotiation packet, an eight-bit reception power packet, and a charging status packet to which a byte encoding technique is applied from the wireless power receiver, wherein the controller determines whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet, wherein the wireless communication unit transmits, to the wireless power receiver, a foreign object detection indicator indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the FOD status packet includes information on a reference quality factor or a reference peak frequency, wherein the byte encoding technique is a technique of inserting a start bit, a stop bit, and a parity bit into an encoded binary bit stream of a packet having a length of 8 bits.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223964)

Main Inventor

Jae Hee PARK

Brief explanation

- The patent application describes a method for receiving power wirelessly using a wireless power receiver.

- The method involves storing information about a reference quality factor and a reference peak frequency. - A foreign object detection (FOD) status packet is generated, which includes the reference quality factor, reference peak frequency, and has a length of eight bits. - The FOD status packet is transmitted to a wireless power transmitter. - The wireless power receiver receives a foreign object detection indicator from the wireless power transmitter, indicating whether there is a foreign object present in the charging area. - The binary data of the eight-bit packet is subjected to differential bi-phase encoding. - Byte encoding is then performed on the differentially bi-phase encoded packet. - The byte encoded packet, which includes a start bit, a stop bit, and a parity bit, is transmitted back to the wireless power transmitter.

Abstract

A power reception method for a wireless power receiver, the power reception method including storing information on a reference quality factor and a reference peak frequency; generating a foreign object detection (FOD) status packet including the information on the reference quality factor and the reference peak frequency and a packet having a length of eight bits; transmitting the FOD status packet to a wireless power transmitter; receiving a foreign object detection indicator indicating whether a foreign object is present in a charging area of the wireless power transmitter in response to the FOD status packet; performing differential bi-phase encoding for binary data of the packet having a length of eight bits; performing byte encoding for binary data of the differential bi-phase encoded packet; and transmitting the byte encoded packet to the wireless power transmitter, wherein the byte encoding is inserting a start bit, a stop bit, and a parity bit into binary bit stream of the differential bi-phase encoded packet.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223966)

Main Inventor

Jae Hee PARK

Brief explanation

- The patent application describes a wireless power receiver that can receive power from a wireless power transmitter.

- The wireless power receiver includes a communication unit that can communicate with the wireless power transmitter. - The receiver also includes a controller that generates a packet called the foreign object detection (FOD) status packet, which contains information about the quality factor or peak frequency. - The FOD status packet is 8 bits long and is transmitted to the wireless power transmitter. - The communication unit can receive a foreign object detection indicator from the wireless power transmitter, which indicates whether there is a foreign object present in the charging area of the transmitter. - The controller performs differential bi-phase encoding for the binary data of the 8-bit packet. - The controller also performs byte encoding for the binary data of the differentially bi-phase encoded packet. - The byte encoding involves inserting a start bit, a stop bit, and a parity bit into the binary bit stream of the differentially bi-phase encoded packet.

Abstract

A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a communication unit configured to communicate with the wireless power transmitter; and a controller, wherein the controller generates a foreign object detection (FOD) status packet including information on a reference quality factor or a reference peak frequency, and a packet having a length of eight bit, wherein the communication unit transmits the FOD status packet to the wireless power transmitter, wherein the communication unit receives, from the wireless power transmitter, a foreign object detection indicator indicating whether a foreign object is present in a charging area of the wireless power transmitter in response to the MD status packet, wherein the controller performs differential bi-phase encoding for binary data of the packet having a length of eight bits, wherein the controller performs byte encoding for binary data of the differential bi-phase encoded packet, wherein the communication unit transmits the byte encoded packet to the wireless power transmitter, and wherein the byte encoding is inserting a start bit, a stop bit, and a parity bit into binary bit, stream of the differential bi-phase encoded packet.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223967)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a power transmission method for a wireless power transmitter.

• The method involves receiving a packet from a wireless power receiver that contains information about a reference quality factor or a reference peak frequency.
• Based on this packet, the method determines whether a foreign object is present in the charging area of the wireless power transmitter.
• A foreign object detection indicator is generated based on the determination and transmitted back to the wireless power receiver.
• The FOD status packet has a length of two bytes, with one byte containing a reservation field and a mode field.
• The reservation field is recorded as zero in all bits.

Abstract

A power transmission method for a wireless power transmitter, the power transmission method including receiving, from a wireless power receiver, a foreign object detection (FOD) status packet including information on a reference quality factor or a reference peak frequency; determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and generating a foreign object detection indicator indicating whether the foreign object is present in the charging area of the wireless power transmitter based on a result of the determination and transmitting the generated foreign object detection indicator to the wireless power receiver, wherein the FOD status packet has a length of two bytes, wherein one byte of the FOD status packet includes a six-bit reservation field and a two-bit mode field, and wherein all bits of the reservation field are recorded as zero.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18223969)

Main Inventor

Jae Hee PARK

Brief explanation

- The patent application describes a wireless power transmitter that can transmit power to a wireless power receiver.

- The wireless power transmitter includes a wireless communication unit that can communicate with the wireless power receiver. - The transmitter also includes a controller that can determine if there is a foreign object present in the charging area of the transmitter based on a foreign object detection (FOD) status packet received from the receiver. - The wireless communication unit can then transmit a foreign object detection indicator to the receiver, indicating whether a foreign object is present in the charging area. - The FOD status packet includes information on a reference quality factor or a reference peak frequency. - The FOD status packet has a length of two bytes, with one byte containing a 6-bit reservation field and a 2-bit mode field. - All bits of the reservation field are recorded as zero.

Abstract

A wireless power transmitter that transmits power to a wireless power receiver, the wireless power transmitter including a wireless communication unit configured to communicate with the wireless power receiver; and a controller, wherein the wireless communication unit receives a foreign object detection (FOD) status packet from the wireless power receiver, wherein the controller determines whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet, wherein the wireless communication unit transmits, to the wireless power receiver, a foreign object detection indicator indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the FOD status packet includes information on a reference quality factor or a reference peak frequency, wherein the FOD status packet has a length of two bytes, wherein one byte of the FOD status packet includes a 6-bit reservation field and a 2-bit mode field, and wherein all bits of the reservation field are recorded as zero.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18224379)

Main Inventor

Jae Hee PARK

Brief explanation

- The patent application describes a method for receiving power wirelessly using a wireless power receiver.

- The method involves storing information about a reference quality factor and a reference peak frequency. - A foreign object detection (FOD) status packet is generated, which includes the information about the reference quality factor and reference peak frequency. - The FOD status packet is then transmitted to a wireless power transmitter. - The wireless power receiver receives a foreign object detection indicator from the wireless power transmitter, indicating whether there is a foreign object present in the charging area. - The FOD status packet has a length of two bytes, with one byte containing a 6-bit reservation field and a 2-bit mode field. - All bits of the reservation field are recorded as zero.

Abstract

A power reception method for a wireless power receiver, the power reception method including storing information on a reference quality factor and a reference peak frequency; generating a foreign object detection (FOD) status packet including the information on the reference quality factor and the reference peak frequency; transmitting the FOD status packet to a wireless power transmitter; and receiving a foreign object detection indicator indicating whether a foreign object is present in a charging area of the wireless power transmitter in response to the FOD status packet, wherein the FOD status packet has a length of two bytes, wherein one byte of the FOD status packet includes a 6-bit reservation field and a 2-bit mode field, and wherein all bits of the reservation field are recorded as zero.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18224382)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a wireless power receiver that receives power from a wireless power transmitter. The receiver includes a communication unit, a memory, and a controller.

• The wireless power receiver communicates with the wireless power transmitter.
• It stores information on a reference quality factor and a reference peak frequency.
• The controller generates a foreign object detection (FOD) status packet that includes information on the reference quality factor or the reference peak frequency.
• The FOD status packet is transmitted to the wireless power transmitter.
• The communication unit receives a foreign object detection indicator from the wireless power transmitter, indicating whether a foreign object is present in the charging area.
• The FOD status packet has a length of two bytes.
• One byte of the FOD status packet includes a 6-bit reservation field and a 2-bit mode field.
• All bits of the reservation field are recorded as zero.

Abstract

A wireless power receiver that receives power from a wireless power transmitter, the wireless power receiver including a communication unit configured to communicate with the wireless power transmitter; a memory configured to store information on a reference quality factor and a reference peak frequency; and a controller, wherein the controller generates a foreign object detection (FOD) status packet including information on the reference quality factor or the reference peak frequency, wherein the communication unit transmits the FOD status packet to the wireless power transmitter, wherein the communication unit receives, from the wireless power transmitter, a foreign object detection indicator indicating whether a foreign object is present in a charging area of the wireless power transmitter in response to the FOD status packet, wherein the FOD status packet has a length of two bytes, wherein one byte of the FOD status packet includes a 6-bit reservation field and a 2-bit mode field, and wherein all bits of the reservation field are recorded as zero.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18224385)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a power transmission method for a wireless power transmitter.

• The method involves receiving a packet from a wireless power receiver, which includes a foreign object detection (FOD) status packet.
• The FOD status packet contains information on a reference quality factor or a reference peak frequency.
• The method then determines whether a foreign object is present in the charging area of the wireless power transmitter based on the FOD status packet.
• It generates a foreign object detection indicator indicating the presence of a foreign object in the charging area based on the determination.
• The generated foreign object detection indicator is transmitted to the wireless power receiver.
• The packet may also include other types of information such as signal strength, end power transfer, power control hold-off, configuration, receiver identification, extension identification, general request, special request, control error, renegotiation, reception power, and charging status.

Abstract

A power transmission method for a wireless power transmitter, the power transmission method including receiving, from a wireless power receiver, a packet including a foreign object detection (FOD) status packet; determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and generating a foreign object detection indicator indicating whether the foreign object is present in the charging area of the wireless power transmitter based on a result of the determination and transmitting the generated foreign object detection indicator to the wireless power receiver, wherein the FOD status packet includes information on a reference quality factor or a reference peak frequency, and wherein the packet further includes at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a configuration packet, an identification packet for transmitting receiver identification information, an extension identification packet, a general request packet, a special request packet, a control error packet, a renegotiation packet, a 24-bit reception power packet, an eight-bit reception power packet, and a charging status packet.

METHOD FOR DETECTING FOREIGN MATERIAL, AND APPARATUS AND SYSTEM THEREFOR (18224388)

Main Inventor

Jae Hee PARK

Brief explanation

The patent application describes a method for transmitting power wirelessly from a transmitter to a receiver.

• The method involves transmitting sensing signals to the receiver to detect its presence.
• The transmission coils that receive a signal strength indicator from the receiver are identified.
• The transmission coil with the highest signal strength indicator is selected as the power transmission coil.
• A foreign object detection (FOD) status packet is received from the receiver, which includes information about the quality factor or peak frequency.
• Based on the FOD status packet, it is determined whether a foreign object is present in the charging area of the transmitter.
• A foreign object detection indicator is generated based on the determination and transmitted to the receiver.

Abstract

A power transmission method for a wireless power transmitter, the power transmission method including transmitting sequentially a plurality of sensing signals to a wireless power receiver through transmission coils to sense a presence of the wireless power receiver; identifying transmission coils that receives a signal strength indictor transmitted from the wireless power receiver in response to the plurality of sensing signals; selecting, as a power transmission coil, a transmission coil that receives a signal strength indicator having the largest amount or the largest value among the transmission coils, receiving, from a wireless power receiver, a foreign object detection (FOD) status packet including information on a reference quality factor or a reference peak frequency; determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and generating a foreign object detection indicator indicating whether the foreign object is present in the charging area of the wireless power transmitter based on a result of the determination and transmitting the generated foreign object detection indicator to the wireless power receiver.

METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION (18355870)

Main Inventor

Yu Ri PARK

Brief explanation

This patent application describes a wireless power transmitter that can transmit power to a wireless power receiver. The transmitter includes a controller that can determine if there is a foreign object present and a transmission part that can transmit power accordingly.

• The wireless power transmitter has a controller that can detect if there is a foreign object present.
• The controller receives a packet from the wireless power receiver that includes information about the quality factor and peak frequency.
• Based on this information, the controller determines if there is a foreign object present.
• The controller then sends a response to the wireless power receiver indicating whether a foreign object is present or not.
• The transmission part of the transmitter adjusts the power transmitted to the receiver based on the response.
• If a foreign object is detected, the transmitter sends a NAK response and transmits a lower power to the receiver.
• If no foreign object is detected, the transmitter sends an ACK response and transmits a higher power to the receiver.

Abstract

A wireless power transmitter for transmitting power to a wireless power receiver, including a controller configured to determine whether a foreign object is present; and a transmission part configured to transmit wireless power according to whether the foreign object is present, wherein the controller receives a foreign object detection status packet including at least one of a reference quality factor and a reference peak frequency from the wireless power receiver, and detects whether the foreign object is present based on the foreign object detection status packet, wherein the controller transmits a NAK response indicating that the foreign object is present or an ACK response indicating that the foreign object is not present to the wireless power receiver, and wherein the transmission part transmits a first power to the wireless power receiver according to the transmitted NAK response or transmits a second power greater than the first power to the wireless power receiver according to the transmitted ACK response.

METHOD FOR DETECTING FOREIGN MATERIAL, AND DEVICE AND SYSTEM THEREFOR (18355896)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a method for transmitting power wirelessly using a transmitter and receiver system. 

• The method involves receiving packets from the wireless power receiver, including a foreign object detection (FOD) status packet.
• The FOD status packet helps determine if there is a foreign object present in the charging area of the transmitter.
• Based on the determination, a response signal is transmitted to the receiver indicating whether a foreign object is present.
• The response signal is determined using the measured peak frequency of the power signal transmitted by the transmitter and a reference peak frequency included in the FOD status packet.
• Each packet consists of a preamble, header, message, and checksum for error identification.
• The header is used to identify the type of each packet.

Abstract

A method of transmitting power by a wireless power transmitter, the method including receiving a plurality of packets including a foreign object detection (FOD) status packet from a wireless power receiver; determining whether a foreign object is present in a charging area of the wireless power transmitter on the basis of the FOD status packet; and transmitting, to the wireless power receiver, a response signal indicating whether the foreign object is present in the charging area of the wireless power transmitter on the basis of a result of the determination, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein each of the plurality of packets includes a preamble, a header, a message, and a checksum for identifying whether an error occurs in each packet, and wherein the header is configured to identify a type of the each packet.

METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION (18355897)

Main Inventor

Yu Ri PARK

Brief explanation

This patent application describes a method for transmitting power wirelessly from a transmitter to a receiver. The method includes several phases of determining whether a foreign object is present in the charging area and controlling the power transmission accordingly.

• The method starts with the receiver sending a signal to the transmitter, including information about the presence of a foreign object (FOD) in the charging area.
• Based on the FOD status packet, the transmitter determines whether a foreign object is present in the charging area.
• If a foreign object is detected, the transmitter controls the power transmission in a first power transfer mode.
• If no foreign object is detected, the transmitter controls the power transmission in a second power transfer mode.
• Additionally, the transmitter can use other information, apart from the FOD status packet, to determine the presence of a foreign object in the charging area.
• The power transmission mode is adjusted based on the determination made in the second phase, while considering the power control phase.

Overall, this patent application presents a method for wireless power transmission that takes into account the presence of foreign objects in the charging area and adjusts the power transmission mode accordingly.

Abstract

A method of transmitting power of a wireless power transmitter, including a receiving phase of receiving a signal including an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; a power control phase of controlling power transmission in a first power transfer mode upon determining that the foreign object is present in the charging area in the first determination phase, or controlling power transmission in a second power transfer mode upon determining that the foreign object is not present in the charging area in the first determination phase; and a second determination phase of determining whether the foreign object is present in the charging area based on information other than information included in the FOD status packet, while controlling power transmission in one of the first power transfer mode and the second power transfer mode by the power control phase.

METHOD FOR DETECTING FOREIGN MATERIAL, AND DEVICE AND SYSTEM THEREFOR (18355909)

Main Inventor

Jae Hee PARK

Brief explanation

The abstract describes a method for wireless power receivers to receive power from a wireless power transmitter. 

• The method involves transmitting multiple packets to the wireless power transmitter, including a foreign object detection (FOD) status packet.
• The wireless power transmitter then sends a response signal indicating whether there is a foreign object present in the charging area.
• The response signal is determined by comparing the measured peak frequency of the power signal transmitted by the wireless power transmitter with a reference peak frequency included in the FOD status packet received from the wireless power receiver.
• Each packet consists of a preamble, a header, a message, and a checksum to identify any errors in the packet.
• The header is used to identify the type of each packet.

Abstract

A method of receiving power by a wireless power receiver, the method including transmitting, to a wireless power transmitter, a plurality of packets including a foreign object detection (FOD) status packet; and receiving, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, wherein each of the plurality of packets includes a preamble, a header, a message, and a checksum for identifying whether an error occurs in each packet, and wherein the header is configured to identify a type of the each packet.

METHOD FOR DETECTING FOREIGN MATERIAL, AND DEVICE AND SYSTEM THEREFOR (18356047)

Main Inventor

Jae Hee PARK

Brief explanation

The patent application describes a method for wireless power receivers to receive power from a wireless power transmitter. 

• The method involves transmitting multiple packets to the wireless power transmitter, including a packet that detects the presence of foreign objects in the charging area.
• The wireless power receiver then receives a response signal from the wireless power transmitter indicating whether a foreign object is present.
• The response signal is determined by comparing the measured peak frequency of the power signal transmitted by the wireless power transmitter with a reference peak frequency included in the foreign object detection status packet received from the wireless power receiver.
• The plurality of packets also include other types of packets such as signal strength, end power transfer, power control hold-off, configuration, identification, extended identification, general request, special request, control error, renegotiation, received power, and charging status packets.

Abstract

A method of receiving power by a wireless power receiver, the method including transmitting, to a wireless power transmitter, a plurality of packets including a foreign object detection (FOD) status packet; and receiving, from the wireless power transmitter, a response signal indicating whether a foreign object is present in a charging area of the wireless power transmitter, wherein the response signal is determined using a measured peak frequency of a power signal transmitted by the wireless power transmitter and a reference peak frequency included in the FOD status packet received from the wireless power receiver, and wherein the plurality of packets further include at least one of a signal strength packet, an end power transfer packet, a power control hold-off packet, a configuration packet, an identification packet for transmitting receiver identification information, an extended identification packet, a general request packet, a special request packet, a control error packet, a renegotiation packet, a 24-bit received power packet, an eight-bit received power packet, and a charging status packet.

METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION (18356087)

Main Inventor

Yu Ri PARK

Brief explanation

The abstract describes a method for receiving power wirelessly from a power transmitter. Here are the key points:

• The method involves transmitting a signal to the power transmitter indicating the status of a foreign object detection (FOD) system.
• If the power transmitter responds with a NAK (negative acknowledgment) indicating the presence of a foreign object in the charging area, the receiver will receive a first power.
• If the power transmitter responds with an ACK (acknowledgment) indicating no foreign object is present, the receiver will receive a second power.
• The receiver then transmits a packet to the power transmitter indicating the intensity of the received power.
• The power transmitter uses this information to determine whether a foreign object is present in the charging area and sends a signal back to the receiver with the result of this determination.
• The receiver continues to receive the second power while this process takes place.

Overall, this method allows for wireless power transfer while ensuring the safety of the charging area by detecting the presence of foreign objects.

Abstract

A method of receiving power of a wireless power receiver, including a signal transmission phase of transmitting a signal including an FOD status packet to a wireless power transmitter; a power reception phase of receiving a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in the charging area of the wireless power transmitter is received from the wireless power transmitter, or receiving a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; a phase of transmitting a reception power packet including information on reception power intensity to the wireless power transmitter; and a phase of receiving a signal including information on a result of determining whether the foreign object is present in the charging area from the wireless power transmitter using information measured or calculated by the wireless power transmitter in response to the reception power packet, while receiving the second power.

METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION (18356093)

Main Inventor

Yu Ri PARK

Brief explanation

The abstract describes a wireless power receiver that can receive power from a wireless power transmitter. Here are the key points:

• The receiver has a part that can receive wireless power from the transmitter.
• It also has a main controller that generates a signal with an FOD (Foreign Object Detection) status packet.
• The main controller sends this signal to the transmitter.
• If the transmitter responds with a NAK (Negative Acknowledgment) indicating a foreign object is present in the charging area, the receiver receives a first power from the transmitter.
• If the transmitter responds with an ACK (Acknowledgment) indicating no foreign object is present, the receiver receives a second power from the transmitter.
• The main controller also sends a reception power packet to the transmitter, which includes information about the intensity of the received power.
• The main controller then receives a signal from the transmitter, which contains information about whether a foreign object is present in the charging area.
• This information is determined by the transmitter using measurements or calculations based on the reception power packet.
• The receiver continues to receive the second power while receiving this signal from the transmitter.

Abstract

A wireless power receiver of receiving power from a wireless power transmitter, including a receiving part configured to receive a wireless power from the wireless power transmitter; and a main controller configured to generate a signal including an FOD status packet, wherein the main controller transmits a signal including the FOD status packet to the wireless power transmitter; wherein the main controller receives a first power from the wireless power transmitter when a NAK response indicating that a foreign object is present in a charging area of the wireless power transmitter is received from the wireless power transmitter, or receives a second power from the wireless power transmitter when an ACK response indicating that the foreign object is not present in the charging area of the wireless power transmitter is received from the wireless power transmitter, in response to the FOD status packet; wherein the main controller transmits a reception power packet including information on reception power intensity to the wireless power transmitter; and wherein the main controller receives a signal including information on a result of determining whether the foreign object is present in the charging area from the wireless power transmitter using information measured or calculated by the wireless power transmitter in response to the reception power packet, while receiving the second power.

METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION (18356099)

Main Inventor

Yu Ri PARK

Brief explanation

The patent application describes a method for transmitting power wirelessly from a transmitter to a receiver. 

• The method starts by transmitting a detection signal from the transmitter to the receiver using a transmission coil. This signal is used to determine if the receiver is present.
• The receiver responds to the detection signal by transmitting a signal strength indicator back to the transmitter. This helps identify the transmission coil that received the indicator.
• The identified transmission coil is then selected as the power transmission coil.
• The receiver also sends a Foreign Object Detection (FOD) status packet to the transmitter.
• Based on the FOD status packet, the transmitter determines if there is a foreign object present in the charging area.
• If a foreign object is detected, the power transmission is controlled in a first power transfer mode.
• If no foreign object is detected, the power transmission is controlled in a second power transfer mode.

Abstract

A method of transmitting power of a wireless power transmitter, including a phase of transmitting a detection signal to a wireless power receiver through a transmission coil to detect that the wireless power receiver is present; a phase of identifying a transmission coil that has received a signal strength indicator transmitted from the wireless power receiver in response to the detection signal; a phase of selecting the transmission coil that has received the signal strength indicator as a power transmission coil; a phase of receiving an FOD status packet from a wireless power receiver; a first determination phase of determining whether a foreign object is present in a charging area of the wireless power transmitter based on the FOD status packet; and a power control phase of controlling power transmission in a first power transfer mode when it is determined in the first determination phase that the foreign object is present in the charging area, or controlling the power transmission in a second power transfer mode when it is determined in the first determination phase that the foreign object is not present in the charging area.

CAMERA MODULE (18246626)

Main Inventor

Kyeong Mok YOON

Brief explanation

The camera module described in this patent application consists of several components: a lens housed in a first housing, a second housing that is connected to the first housing, a substrate assembly located within the space created by the coupling of the two housings, and a shield can positioned inside the second housing. 

• The substrate assembly is made up of at least one substrate and a spacer that is placed outside the substrate.
• The spacer has multiple protrusions on its outer surface that come into contact with the shield can.
• The purpose of the shield can is not specified in the abstract, but it likely serves to protect the internal components of the camera module from external interference or damage.
• The protrusions on the spacer help to secure the shield can in place and maintain its position within the second housing.
• This camera module design aims to provide a simplified and efficient structure for housing and protecting the lens and other internal components.

Abstract

This camera module comprises: a first housing including a lens; a second housing coupled to the first housing; a substrate assembly positioned inside a space formed by the coupling of the first housing and the second housing; and a shield can positioned inside the second housing. The substrate assembly includes at least one substrate and a spacer positioned outside the substrate, wherein the spacer includes a plurality of protrusions that protrude from the outer surface and contact the shield can.

SENSOR DRIVING DEVICE HAVING SUBSTRATE WITH ELECTROMAGNETIC DRIVING UNIT AND PROTRUSION PART AND CAMERA MODULE HAVING SAME (18224836)

Main Inventor

Yun Sang SONG

Brief explanation

The patent application describes a sensor driving device with a first and second substrate, and an image sensor.

• The second substrate has a body with protrusion parts on both lateral surfaces.
• The protrusion parts on each lateral surface have two extension parts that extend in different directions.
• The first extension parts on both protrusion parts are parallel to the optical axis of the image sensor.
• The second extension part on the first protrusion part is closer to the second extension part on the second protrusion part than to the first extension part on the second protrusion part.

Abstract

A sensor driving device includes a first substrate; a second substrate disposed on the first substrate; and an image sensor. The second substrate includes a body having first and second lateral surfaces; a first protrusion part protruding from the first lateral surface; and a second protrusion part protruding from the second lateral surface. The first protrusion part includes a first extension part, and a second extension part extending in a direction different from the first extension part. The second protrusion part includes a first extension part, and a second extension part extending in a direction different from the first extension part. The first extension parts are disposed parallel to an optical axis of the image sensor. The second extension part of the first protrusion part is closer to the second extension part of the second protrusion part than to the first extension part of the second protrusion part.