Murata Manufacturing Co., Ltd. patent applications on December 26th, 2024
Patent Applications by Murata Manufacturing Co., Ltd. on December 26th, 2024
Murata Manufacturing Co., Ltd.: 37 patent applications
Murata Manufacturing Co., Ltd. has applied for patents in the areas of H04B1/04 (8), H03F1/02 (4), H04B1/40 (4), H01F27/28 (4), H01G4/232 (3) H04B1/0475 (7), H03H9/6483 (2), H03F1/0288 (2), H01G4/232 (2), H01M50/578 (2)
With keywords such as: signal, portion, layer, direction, connected, electrode, coil, member, end, and body in patent application abstracts.
Patent Applications by Murata Manufacturing Co., Ltd.
20240423473. IN-VIVO IMPLANTABLE MEDICAL DEVICE_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Norikazu SAKAMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Tatsuya HOSOTANI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): A61B5/00, A61L31/02
CPC Code(s): A61B5/0026
Abstract: a housing of an in-vivo implantable medical device includes a window including a nonmetallic biocompatible material that enables formation of an electromagnetic resonance field and radio communication. in plan view of the housing, an outer shape of the window is larger than an outer shape of a power receiving coil. an outer shape of a magnetic sheet is larger than the outer shape of the power receiving coil to form a magnetic circuit that serves as a main magnetic flux that forms an electromagnetic resonance field to obtain power for the power receiving coil. a radio communication antenna is at a position where the main magnetic flux does not intersect. an outer shape of the radio communication antenna has an area of 1/100 or less of the outer shape of the power receiving coil.
Inventor(s): Toru SHIMUTA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): A61B5/00, A61B5/021, G16H50/30
CPC Code(s): A61B5/7239
Abstract: a blood pressure estimation method and a biological information measurement system for accurately estimating blood pressure information of a user in a non-invasive manner. a biological information measurement system executes acquiring a photoplethysmographic signal of a blood vessel of a periphery of a user who is a subject by a photoplethysmographic sensor, calculating a peripheral blood pressure index that is an index of a magnitude of a blood pressure of a capillary or an arteriole of the periphery based on a steepness of rising of the photoplethysmographic signal, and estimating a magnitude of a blood pressure of the user by using a de time and the peripheral blood pressure index. the de time is a peak time difference between a d wave and an e wave in an acceleration pulse wave signal obtained by performing second-order differentiation on the photoplethysmographic signal.
20240426389. VALVE AND FLUID CONTROL DEVICE_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yukiharu KODAMA of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): F16K25/00, F16K15/14, F16K27/02
CPC Code(s): F16K25/00
Abstract: a valve includes a housing, a hole, a hole, a diaphragm, a seat, and a protrusion. the housing includes a housing member and a flat board that oppose each other, and a side wall connected to the housing member and the flat board, the side wall being capable of defining a valve chamber together with the housing member and the flat board. the hole is formed in the flat board, and connects the valve chamber and an outside of the valve to each other. the hole is formed in the housing member, and connects the valve chamber and the outside of the valve to each other. the diaphragm divides the valve chamber into a first space nearer the flat board and a second space nearer the housing member, and has a through-hole that allows the first space and the second space to communicate with each other.
20240426591. DEFORMATION DETECTION SENSOR_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshihito OKUTOMI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): G01B7/16, H10N30/30
CPC Code(s): G01B7/16
Abstract: a deformation detection sensor includes a bendable flexible substrate having a substrate upper main surface and a substrate lower main surface arranged in a vertical direction, a first sensor provided on the substrate upper main surface and including a first piezoelectric film, and a second sensor provided on the substrate lower main surface and including a second piezoelectric film. thickness in the vertical direction of the second piezoelectric film is larger than thickness in the vertical direction of the first piezoelectric film, and the first sensor and the second sensor are bent as the flexible substrate is bent so as to project in an upper direction or a lower direction.
Inventor(s): Antti FINNE of Vantaa (FI) for murata manufacturing co., ltd., Pekka KOSTIAINEN of Helsinki (FI) for murata manufacturing co., ltd.
IPC Code(s): G01C21/18, B64U10/14, B64U101/30, G01C21/16, G02B27/64
CPC Code(s): G01C21/18
Abstract: a method is provided for determining the orientation of a drone that includes a main body, a camera device with an attachment structure, and one or more mems gyroscopes on the camera device or the attachment structure. the method includes retrieving one or more first measurement values from one or more mems gyroscopes when the camera device is in a first position in relation to the main body of the drone, shifting the camera device from the first position to a second position in relation to the main body of the drone, retrieving one or more second measurement values from said one or more mems gyroscopes when the camera device is in the second position, and then calculating the orientation of the drone based on at least the one or more first measurement values and the one or more second measurement values.
20240428975. COIL COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Makoto HIRAKI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Katsuhisa IMADA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F17/00, H01F27/28, H01F27/29, H01F27/32
CPC Code(s): H01F17/0013
Abstract: a coil component in which stress inside thereof is alleviated and the dc resistance is low. a multilayer coil component includes an element body that includes an insulator portion and a coil embedded in the insulator portion; and outer electrodes disposed on surfaces of the insulator portion and electrically connected to ends of the coil. there is a groove-shaped void portion at a boundary between the coil and the insulator portion, and the void portion extends in a length direction of the coil. the coil has a ridge in the void portion, and the ridge extends in the length direction of the coil.
20240428982. INDUCTOR COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yuuichirou YOSHIDA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kenichi TANI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/28, H01F27/24, H01F27/29
CPC Code(s): H01F27/2804
Abstract: an inductor component includes a body, a coil in the body and helically wound about an axis, and first and second outer electrodes disposed at the body and electrically connected to the coil. the axis is parallel to the bottom surface of the body and crosses the first and second side surfaces of the body. the coil includes first and second coil wiring layers laminated adjacent to each other in the axial direction, and a first via wiring layer that connects the first and second coil wiring layers. the first coil wiring layer has a first coil end portion. the first via wiring layer has a first via end portion. at least the first via end portion of the first via wiring layer is connected to a portion of the first coil wiring layer closer to the first coil end portion.
Inventor(s): Wataru DOI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/28, B23K26/20, B23K101/38, H01F27/32, H01F41/10
CPC Code(s): H01F27/2828
Abstract: a coil component includes a core, a wire, and outer electrodes. the core includes a winding core and a pair of flanges. a first axis orthogonally intersects a central axis. a first positive direction is a direction directed toward one side along the first axis. a first negative direction is directed oppositely to the first positive direction. each outer electrode covers a surface of each flange, the surface facing in the first positive direction. the wire includes a body portion wound around the winding core and a bonded portion at each end of the wire and coupled to each outer electrode. in a cross section that orthogonally intersects the central axis and includes the bonded portion, the end of the bonded portion facing in the first negative direction is further in the first negative direction from the end of the outer electrode facing in the first positive direction.
20240428985. CIRCUIT DEVICE AND FILTER CIRCUIT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Atsushi TOUJO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01F27/29, H01F27/02, H01F27/28, H01F27/32, H03H7/09
CPC Code(s): H01F27/292
Abstract: a circuit device includes a coil component and a substrate. the coil component includes first and second coils whose openings overlap, a terminal connected to one end of the first coil, a terminal connected to another end of the first coil, a terminal connected to one end of the second coil, and a terminal connected to another end of the second coil. the substrate includes a power supply line electrically coupled to the terminal, a power supply line electrically coupled to the terminal, and a wiring line electrically coupled to the terminal and the terminal. the wiring line is also electrically coupled to the capacitor.
20240428992. MULTILAYER CERAMIC CAPACITOR_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Kenji KIMURA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kosuke URATANI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Takehisa SASABAYASHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/012, H01G4/008, H01G4/232, H01G4/30
CPC Code(s): H01G4/012
Abstract: a multilayer ceramic capacitor includes a multilayer body including an inner layer portion defined by alternately laminating a plurality of dielectric layers and a plurality of inner electrode layers, and a pair of side margin portions sandwiching the inner layer portion in a width direction. when viewing a cross-section provided by cutting the multilayer body at a position at a central portion in a length direction and defined by the width direction and a lamination direction, a crystalline oxide including at least one of al, mg, and si is present in the side margin portions as an elongate secondary phase at an aspect ratio equal to or above about 5 and equal to or below about 20.
Inventor(s): Daisuke OYAMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/232, H01G4/30, H05K1/18
CPC Code(s): H01G4/232
Abstract: a multilayer ceramic capacitor includes a multilayer body including internal electrode layers and dielectric layers that are alternately laminated, main surfaces opposite to each other in a lamination direction, end surfaces opposite to each other in a length direction that intersects with the lamination direction, and side surfaces opposite to each other in a width direction that intersects with the lamination direction and the length direction, and external electrodes on the end surfaces. each of the external electrodes includes a thickest portion at a position off-center in the width direction toward either one of the side surfaces, and the thickest portion is thicker in the length direction than a remainder of the external electrode.
20240428995. ELECTRONIC COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Kazuyuki YAMAMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Hiroki HOMMA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Sui UNO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Mitsunori INOUE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G4/232, H01G4/30
CPC Code(s): H01G4/232
Abstract: an electronic component includes a ceramic body, and an external electrode provided at an end of the ceramic body. two adjacent side surfaces and an end surface of the ceramic body are in contact with each other to define a corner of the ceramic body, the external electrode includes a base layer covering the end surface and side surfaces including the two adjacent side surfaces except for the corner, and a plating layer covering the base layer and the corner, and the plating layer covering the corner has a thickness larger than a thickness of the plating layer covering a center of the end surface.
Inventor(s): Kyotaro Mano of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yasutake Fukuda of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Wataru Onishi of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Shogo Matsui of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Haruko Kubo of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01G9/10, H01G9/012, H01G9/042, H01G9/048
CPC Code(s): H01G9/10
Abstract: an electrolytic capacitor element including: a valve-acting metal substrate including a core portion made of metal foil and a porous portion along a surface of the metal foil; a dielectric layer on the porous portion; a solid electrolyte layer on the dielectric layer; and a conductive layer on the solid electrolyte layer, the conductive layer including a carbon layer, the carbon layer containing a carbon filler and a scaly insulating inorganic filler, wherein, in a cut section of the electrolytic capacitor element in a direction perpendicular to a main face of the metal foil, an average of acute angles between a longitudinal direction of a cross-section of the insulating inorganic filler in the carbon layer adjacent to the main face of the metal foil and a longitudinal direction of a cross-section of the metal foil is 0� to 45�.
Inventor(s): Fan YANG of Shanghai (CN) for murata manufacturing co., ltd., Cheng ZHU of Shanghai (CN) for murata manufacturing co., ltd., Kazumasa TAKESHI of Shanghai (CN) for murata manufacturing co., ltd.
IPC Code(s): H01M10/0567, H01M10/0525, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract: an electrolyte additive composition, an electrolyte and a lithium-ion secondary battery including same, and use of same are provided. the electrolyte additive composition includes a cyano-substituted caromatic or a heteroaromatic compound; and
Inventor(s): Fan YANG of Shanghai (CN) for murata manufacturing co., ltd., Cheng ZHU of Shanghai (CN) for murata manufacturing co., ltd., Kazumasa TAKESHI of Shanghai (CN) for murata manufacturing co., ltd.
IPC Code(s): H01M10/0567, H01M10/0525, H01M10/0568, H01M10/0569
CPC Code(s): H01M10/0567
Abstract:
20240429515. BATTERY PACK_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Tsuyoshi NAKAMURA of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/24, F16J15/06, H01M50/271
CPC Code(s): H01M50/24
Abstract: a battery pack is provided and includes a battery module housed in a housing space defined by a housing body and a lid, and a waterproof member is interposed between the housing body and the lid. the waterproof member has an annular shape formed by connecting a one end side and an another end side of a linear shape to each other. a first recessed portion and a first projecting portion are provided so as to be adjacent to each other on the one end side. a second recessed portion and a second projecting portion are provided so as to be adjacent to each other on the another end side. the first recessed portion and the second projecting portion mesh with each other. the second recessed portion and the first projecting portion mesh with each other.
20240429556. SECONDARY BATTERY_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Ami ONUMA of Kyoto (JP) for murata manufacturing co., ltd., Takeo ASANUMA of Kyoto (JP) for murata manufacturing co., ltd., Yosuke KONO of Kyoto (JP) for murata manufacturing co., ltd., Atsushi OUKI of Kyoto (JP) for murata manufacturing co., ltd., Masumi FUKUDA of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/443, H01M10/0525, H01M50/105, H01M50/434, H01M50/449, H01M50/491, H01M50/54
CPC Code(s): H01M50/443
Abstract: a secondary battery includes a positive electrode, a negative electrode, a separator, and an electrolytic solution. the separator is disposed between the positive electrode and the negative electrode. the separator includes a porous layer and a covering layer. the covering layer is disposed between the porous layer and the positive electrode. the covering layer includes insulating particles. the insulating particles each have a major axis and a minor axis. an average aspect ratio of the insulating particles is greater than or equal to 2. the average aspect ratio is defined by the major axis and the minor axis of each of the insulating particles. the insulating particles include inclined particles. an inclination angle of each of the inclined particles is greater than or equal to 45� and less than or equal to 135�. the inclination angle is defined by a surface of the porous layer and the major axis. the positive electrode includes positive electrode active material particles. in a region between respective centers of two of the positive electrode active material particles that are adjacent to each other, a proportion of the number of the inclined particles to the number of the insulating particles is greater than or equal to 10%.
20240429565. BATTERY PACK_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yoshiyuki BANNAI of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/505, H01M50/213, H01M50/227, H01M50/233, H01M50/271, H01M50/298, H01M50/516
CPC Code(s): H01M50/505
Abstract: a battery pack is provided and includes a plurality of cylindrical cells arranged in a manner that a plurality of electrode terminals face a same direction, a cell holder made from resin that holds arrangement of a plurality of the cylindrical cells, a tab extending in a planar direction parallel to a direction orthogonal to a longitudinal direction of the cylindrical cell, and a case. the cell holder includes a holder main body in which a plurality of cell accommodation portions are provided in the planar direction and a bottom wall extending in the planar direction, and a through hole penetrating the bottom wall, the bottom wall includes a plurality of lid walls covering the cell accommodation portion, and a plurality of annular walls, the tab includes a plurality of welded portions which are welded to the electrode terminal through the through hole, a wiring portion that extends in the planar direction from the welded portion and connects the welded portions to each other, at least one of the lid wall and the wiring portion is provided with a thin portion having small thickness in the longitudinal direction, and the thin portion is arranged on an inner side of the annular wall as viewed from the longitudinal direction.
Inventor(s): Katsuaki HIGASHI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yoshihito NIWA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/562, H01M10/0525, H01M10/0562
CPC Code(s): H01M50/562
Abstract: a solid-state battery that includes: a battery element body including a positive electrode layer, a negative electrode layer, and a solid-state electrolyte layer interposed between the positive electrode layer and the negative electrode layer; and a terminal electrode on an end surface of the battery element body and electrically connected to the battery element body, wherein the terminal electrode contains a conductive material and a polyester-based resin.
Inventor(s): Hideaki YAMADA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Toshifumi KAMIKIDO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Takuya KIHARA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yusuke TANJI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yoshihisa SUGIURA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Moe OKADA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/578, H01M50/107, H01M50/152, H01M50/342
CPC Code(s): H01M50/578
Abstract: a safety mechanism of a battery that includes: a lid; a pressure release member in contact with the lid and constructed to be deformed when an internal pressure of the battery increases so as to release a gas inside the battery to an outside of the battery; a current shutoff member on a side opposite to the lid with respect to the pressure release member, and connected to the pressure release member so as to shut off a current flowing to the pressure release member when the internal pressure of the battery increases; and an insulating adhesive layer interposed between the pressure release member and the current shutoff member and bonding the pressure release member to the current shutoff member.
Inventor(s): Hideaki YAMADA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Toshifumi KAMIKIDO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Takuya KIHARA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yusuke TANJI of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H01M50/578, H01M50/107, H01M50/152, H01M50/342
CPC Code(s): H01M50/578
Abstract: a safety mechanism of a battery that includes: a lid; a pressure release member in contact with the lid and constructed to be deformed when an internal pressure of the battery increases; a current shutoff member on a side opposite to the lid with respect to the pressure release member, and connected to the pressure release member so as to shut off a current flowing to the pressure release member when the internal pressure of the battery increases; and an insulating layer between the pressure release member and the current shutoff member. the pressure release member has at least one of groove open toward the current shutoff member, between a position where the pressure release member and the current shutoff member are connected to each other and the pressure release member and the lid are in contact with each other.
Inventor(s): David J. Perreault of Cambridge MA (US) for murata manufacturing co., ltd., John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H02M3/156, H02M1/00, H02M3/158
CPC Code(s): H02M3/1566
Abstract: in some embodiments, a system includes: a differential multilevel converter comprising a differential input to receive two different voltages; a plurality of switches coupled between the input terminals; and a capacitor having a first terminal coupled to a first terminal of a first one of the plurality of switches and a second terminal coupled to a first terminal of a second, different one of the plurality of switches; and an output terminal coupled to a first terminal of a third, different one of the plurality of switches. the differential multilevel converter can be part of a hybrid supply generator/modulator. the system can further include a controller configured to control selected ones of the plurality of switches to switch, at points in time, between a plurality of switch states with each switch state producing an output voltage corresponding to one of three discrete voltage levels.
Inventor(s): Xiaohuan YU of Wuhan (CN) for murata manufacturing co., ltd., Long NING of Wuhan (CN) for murata manufacturing co., ltd., Xiaolei ZHANG of Wuhan (CN) for murata manufacturing co., ltd.
IPC Code(s): H02M3/335, H02M1/00, H02M1/08
CPC Code(s): H02M3/33573
Abstract: a dual active bridge converter includes a first full-bridge circuit and a high-frequency inductor. the first full-bridge circuit includes a first bridge arm including a first switching element and a second switching element connected in series. methods of controlling a dual active bridge converter include detecting a voltage of the high-frequency inductor in response to the first switching element being turned off, setting a dead time according to a detection result of the detecting the voltage of the high-frequency inductor, and turning on the second switching element based on the dead time.
Inventor(s): Kenji TAHARA of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Yuuki NAKANO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd., Kae YAMAMOTO of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H03F1/02, H03F3/24, H04B1/04
CPC Code(s): H03F1/0288
Abstract: a high-frequency module is disclosed, comprising a carrier amplifier, peak amplifiers, a transformer, a phase-shifting line, and bias circuits, all integrated into a semiconductor ic. the input terminals of the semiconductor ic are connected to the input ends of both the carrier and peak amplifiers, while the output terminals are connected to their respective output ends. the transformer has one end connected to the output terminal, with the other end connected to the output terminal via the phase-shifting line. additionally, the bias circuits are connected to the carrier amplifier and the peak amplifiers to regulate their operation.
Inventor(s): Shohei IMAI of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H03F1/02, H03F3/45, H03G1/00
CPC Code(s): H03F1/0288
Abstract: an electronic circuit includes: a variable amplitude control circuit that controls an amplitude of a first radio-frequency signal being a single-ended signal in accordance with a control signal that continuously changes and that outputs a second radio-frequency signal being a single-ended signal; and a balun that converts the second radio-frequency signal into differential signals and outputs a pair of third radio-frequency signals.
Inventor(s): Emre AYRANCI of COSTA MESA CA (US) for murata manufacturing co., ltd., Miles SANNER of SAN DIEGO CA (US) for murata manufacturing co., ltd., Mengsheng RUI of San Diego CA (US) for murata manufacturing co., ltd., Jubaid QAYYUM of San Diego CA (US) for murata manufacturing co., ltd.
IPC Code(s): H03F1/22, H03F1/02, H03F1/26, H03F3/195
CPC Code(s): H03F1/223
Abstract: methods and devices for reducing dc current consumption of a multi-stage lna amplifier. according to one aspect, first and second amplification stages are stacked to provide a common conduction path of a dc current. the first stage includes a common-source amplifier, the second stage includes a common-drain amplifier. coupling between the two stages is provided by series connection of load inductors of the respective stages and a capacitor coupled at a common node between the inductors. according to another aspect, a current splitter circuit is used to split a current to the first stage according to two separate conduction paths, one common path to the two stages, and another separate from the second stage. according to yet another aspect, the current splitter circuit includes a feedback loop that controls the splitting of the current so to maintain a constant current through the common path.
20240429880. BIAS CIRCUIT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Yuri HONDA of Kyoto (JP) for murata manufacturing co., ltd.
IPC Code(s): H03F3/21, H03F1/02, H03F1/30, H03F3/45
CPC Code(s): H03F3/211
Abstract: a bias circuit includes a first bias transistor that has a base or a gate that is supplied with a first bias and an emitter or a source that supplies a bias through a first resistor element to a first amplifier, a first diode that has an anode that is connected to the base or the gate of the first bias transistor and a cathode that is electrically connected to the emitter or the source of the first bias transistor, a second resistor element that has a first end connected to the anode of the first diode and a second end connected to the cathode of the first diode, and a capacitor that has a first end connected to the anode of the first diode and a second end connected to a ground. the cathode of the first diode is electrically connected to the ground.
Inventor(s): Sean MCHUGH of Santa Barbara CA (US) for murata manufacturing co., ltd.
IPC Code(s): H03H9/02, H03H3/02, H03H9/205, H03H9/56
CPC Code(s): H03H9/02228
Abstract: an acoustic filter device is provided that includes a substrate and a piezoelectric layer having a first portion spanning a first cavity of the acoustic filter device and a second portion spanning a second cavity of the acoustic filter device. moreover, a decoupling dielectric layer is on a surface of the first and second portions of the piezoelectric layer. the decoupling dielectric layer has a first thickness td on the first portion and a second thickness td on the second portion. the second thickness td being greater than the first thickness td. first and second interdigital transducers (idts) are provided with interleaved fingers of the first idt on the decoupling dielectric layer over the first portion of the piezoelectric layer and interleaved fingers of the second idt on the decoupling dielectric layer over the second portion of the piezoelectric layer.
Inventor(s): Kurt RAIHN of Grass Valley CA (US) for murata manufacturing co., ltd.
IPC Code(s): H03H9/64, H03H9/145, H03H9/25
CPC Code(s): H03H9/6483
Abstract: a filter circuit has a resonator circuit with a first acoustic resonator and a second acoustic resonator connected in series on a printed circuit board (pcb). the filter circuit also has a composite resonator circuit formed by a capacitor connected in parallel with the second acoustic resonator on the pcb. the capacitor is configured to improve a steepness of an upper bandpass edge of the filter circuit.
Inventor(s): Sean MCHUGH of Santa Barbara CA (US) for murata manufacturing co., ltd., Gregory L. HEY-SHIPTON of Santa Barbara CA (US) for murata manufacturing co., ltd., Garrett WILLIAMS of San Mateo CA (US) for murata manufacturing co., ltd.
IPC Code(s): H03H9/64, H03H9/02, H03H9/60, H03H9/72
CPC Code(s): H03H9/6483
Abstract: a filter device is proved that includes a first chip having a first interdigital transducer (idt) of a first bulk acoustic resonator at a first piezoelectric plate, the first idt disposed on a portion of the first piezoelectric plate over a first cavity of the first bulk acoustic resonator, and a second chip having a second idt of a second bulk acoustic resonator formed at a second piezoelectric plate, the second idt disposed on a portion of the second piezoelectric plate over a second cavity of the second bulk acoustic resonator. the filter device includes a circuit card coupled to the first chip and the second chip. a thickness of the first piezoelectric plate is greater than a thickness of the second piezoelectric plate.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04, H04B1/40
CPC Code(s): H04B1/0475
Abstract: in some embodiments, in a radio frequency (rf) transceiver system having an rf amplifier, a digital pre-distorter (dpd) includes: preprocessing blocks collectively configured to receive input signals and to output preprocessed signals; and a nonlinear combiner. the input signals include a transmit signal and a control signal. the preprocessed signals include a first and a second preprocessed signal, the second preprocessed signal derived at least in part from the control signal. the preprocessing blocks include delay blocks configured to provide the first preprocessed signal corresponding to a delayed or advanced version of the transmit signal with respect to itself. the nonlinear combiner is configured to combine the first and preprocessed signal to provide a pre-distorted version of the transmit signal for transmission via the rf amplifier.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04, H03F1/32
CPC Code(s): H04B1/0475
Abstract: in some embodiments, in a radio frequency (rf) transceiver system having an rf amplifier and a digital pre-distorter (dpd), a control unit includes: one or more inputs, at least one of which is connected to receive a first signal corresponding to a signal desired to be transmitted via the rf amplifier or a modified version thereof circuitry configured to generate a control signal for controlling supply voltage level of the rf amplifier; and an output connected to provide the control signal to the dpd and to a circuit to alter the supply voltage level of the rf amplifier, wherein the dpd is configured to apply digital predistortion to the signal to be transmitted based at least in part on combining the first signal with a second signal corresponding to the control signal or a translated version thereof, and to provide a resulting pre-distorted signal to the rf amplifier.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04, H04B1/40
CPC Code(s): H04B1/0475
Abstract: in some embodiments, in a radio frequency (rf) transceiver system having an rf amplifier and a digital pre-distorter (dpd), a control unit includes: one or more inputs, one of which is connected to receive a first signal corresponding to a signal desired to be transmitted via the rf amplifier or a modified version thereof; circuitry configured to generate a control signal for controlling a bias of the rf amplifier; and an output connected to provide the control signal to the dpd and to a bias modulation circuit for varying the bias of the rf amplifier based in part the control signal, wherein the dpd is configured to apply digital predistortion to the signal to be transmitted based in part on combining the first signal with a second signal corresponding to the control signal or a translated version thereof, and to provide a resulting pre-distorted signal to the rf amplifier.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04
CPC Code(s): H04B1/0475
Abstract: according to some embodiments, in a radio frequency (rf) transceiver system having a transmit chain and a digital pre-distorter (dpd), a control unit includes: one or more inputs, at least one of which is connected to receive a first signal corresponding to a signal to be transmitted via the transmit chain or a modified version of the signal to be transmitted; and an output connected to provide a control signal to the dpd, and to a reconfigurable matching network (rmn) for commanding a reconfiguration of the rmn, wherein the dpd is configured to apply digital predistortion to the signal to be transmitted based at least in part on combining the first signal with a second signal corresponding to the control signal or a translated version thereof, and to provide a resulting pre-distorted signal to the transmit chain.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04, H04B1/40
CPC Code(s): H04B1/0475
Abstract: in some embodiments, in an rf transceiver system having a transmit chain and a digital pre-distorter (dpd), a control unit includes: one or more inputs, one of which is connected to receive a first signal corresponding to a transmit signal or a modified version thereof; circuitry configured to generate a control signal for commanding a system state of the transmit chain based in part on the first signal; and an output connected to provide the control signal to the dpd and to a plurality of power amplifier (pa) cells of the transmit chain, wherein the dpd is configured to apply digital predistortion to the signal to be transmitted based in part on combining the first signal with a second signal corresponding to the control signal or a translated version thereof, and to provide a resulting pre-distorted signal to the transmit chain operating at the system state.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04, H04B7/06
CPC Code(s): H04B1/0475
Abstract: according to some embodiments, in a radio frequency (rf) transceiver system having a transmit chain with a beamforming array, a digital pre-distorter (dpd) includes: a plurality of inputs including at least a first input to receive a first signal corresponding to a signal desired to be transmitted via the transmit chain or a modified version of the signal desired to be transmitted via the transmit chain, and a second input to receive a second signal corresponding to a signal associated with the beamforming array or a translated version of the signal associated with the beamforming array; circuitry configured to apply digital predistortion to the signal desired to be transmitted based at least in part on combining the first and second signals; and an output connected to provide a resulting pre-distorted signal to the transmit chain.
Inventor(s): John R. Hoversten of Arlington MA (US) for murata manufacturing co., ltd., Ty Lewis of Umeå (SE) for murata manufacturing co., ltd., Thomas Renstrom of Tyresö (SE) for murata manufacturing co., ltd., Yevgeniy A. Tkachenko of Belmont MA (US) for murata manufacturing co., ltd.
IPC Code(s): H04B1/04, H04B1/40
CPC Code(s): H04B1/0475
Abstract: in some embodiments, in a radio frequency (rf) transceiver system having a transmit chain and a digital pre-distorter (dpd), a control unit includes: one or more inputs, at least one of which is connected to receive a first signal corresponding to a signal desired to be transmitted via the transmit chain or a modified version of said signal; circuitry configured to generate a control signal for commanding a system state of the transmit chain based at least in part on the first signal; and an output connected to provide the control signal to the dpd and to a circuit to alter the system state of the transmit chain. the dpd is configured to apply digital predistortion to the signal to be transmitted based and provide a resulting pre-distorted signal to the transmit chain operating at the system state.
20240431024. ELECTRONIC COMPONENT_simplified_abstract_(murata manufacturing co., ltd.)
Inventor(s): Hirofumi OIE of Nagaokakyo-shi (JP) for murata manufacturing co., ltd.
IPC Code(s): H05K1/11, H05K3/24
CPC Code(s): H05K1/112
Abstract: an electronic component includes a main body provided with a first surface and a plurality of electrodes arranged on the first surface. the plurality of electrodes include first-type electrodes individually arranged on the first surface and connected to each other through an interconnection that passes through the inside of the main body and a second-type electrode not connected to other electrodes individually arranged on the first surface. the first-type electrodes each include a first underlying electrode and a first plated film that covers the first underlying electrode. the second-type electrode includes a second underlying electrode and a second plated film that covers the second underlying electrode. the first underlying electrode sinks into the main body as compared with the second underlying electrode.
Murata Manufacturing Co., Ltd. patent applications on December 26th, 2024
- Murata Manufacturing Co., Ltd.
- A61B5/00
- A61L31/02
- CPC A61B5/0026
- Murata manufacturing co., ltd.
- A61B5/021
- G16H50/30
- CPC A61B5/7239
- F16K25/00
- F16K15/14
- F16K27/02
- CPC F16K25/00
- G01B7/16
- H10N30/30
- CPC G01B7/16
- G01C21/18
- B64U10/14
- B64U101/30
- G01C21/16
- G02B27/64
- CPC G01C21/18
- H01F17/00
- H01F27/28
- H01F27/29
- H01F27/32
- CPC H01F17/0013
- H01F27/24
- CPC H01F27/2804
- B23K26/20
- B23K101/38
- H01F41/10
- CPC H01F27/2828
- H01F27/02
- H03H7/09
- CPC H01F27/292
- H01G4/012
- H01G4/008
- H01G4/232
- H01G4/30
- CPC H01G4/012
- H05K1/18
- CPC H01G4/232
- H01G9/10
- H01G9/012
- H01G9/042
- H01G9/048
- CPC H01G9/10
- H01M10/0567
- H01M10/0525
- H01M10/0568
- H01M10/0569
- CPC H01M10/0567
- H01M50/24
- F16J15/06
- H01M50/271
- CPC H01M50/24
- H01M50/443
- H01M50/105
- H01M50/434
- H01M50/449
- H01M50/491
- H01M50/54
- CPC H01M50/443
- H01M50/505
- H01M50/213
- H01M50/227
- H01M50/233
- H01M50/298
- H01M50/516
- CPC H01M50/505
- H01M50/562
- H01M10/0562
- CPC H01M50/562
- H01M50/578
- H01M50/107
- H01M50/152
- H01M50/342
- CPC H01M50/578
- H02M3/156
- H02M1/00
- H02M3/158
- CPC H02M3/1566
- H02M3/335
- H02M1/08
- CPC H02M3/33573
- H03F1/02
- H03F3/24
- H04B1/04
- CPC H03F1/0288
- H03F3/45
- H03G1/00
- H03F1/22
- H03F1/26
- H03F3/195
- CPC H03F1/223
- H03F3/21
- H03F1/30
- CPC H03F3/211
- H03H9/02
- H03H3/02
- H03H9/205
- H03H9/56
- CPC H03H9/02228
- H03H9/64
- H03H9/145
- H03H9/25
- CPC H03H9/6483
- H03H9/60
- H03H9/72
- H04B1/40
- CPC H04B1/0475
- H03F1/32
- H04B7/06
- H05K1/11
- H05K3/24
- CPC H05K1/112
