NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on January 30th, 2025
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION on January 30th, 2025
NIPPON TELEGRAPH AND TELEPHONE CORPORATION: 24 patent applications
NIPPON TELEGRAPH AND TELEPHONE CORPORATION has applied for patents in the areas of H04W84/12 (2), H04B10/079 (2), F03H1/00 (1), H04B10/50 (1), G02F1/21 (1) F03H1/0037 (1), H04B10/0791 (1), H04W28/0268 (1), H04W24/08 (1), H04W24/02 (1)
With keywords such as: device, data, unit, communication, information, signal, time, position, value, and optical in patent application abstracts.
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION
20250035094. PROPULSION APPARATUS_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Takanori WASHIRO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): F03H1/00, B64G1/40
CPC Code(s): F03H1/0037
Abstract: a propulsion apparatus includes: first and second conducting wires fixed with an interval therebetween; and a power supply configured to output an alternating current. the alternating current output from the power supply having a phase difference of 90 degrees is made to flow through the first and second conducting wires.
Inventor(s): Yoshiaki NODA of Tokyo (JP) for nippon telegraph and telephone corporation, Setsuo YAMADA of Tokyo (JP) for nippon telegraph and telephone corporation, Takaaki HASEGAWA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F16/9038, G06F16/903, G06F16/9032
CPC Code(s): G06F16/9038
Abstract: disclosed is a search result display device () comprising: a regard prediction unit () configured to predict, from a dialogue between a customer and a service person, a regard of the customer; a keyword extraction unit () configured to extract a keyword from the regard; and a display controller () configured to cause a display () to display the dialogue and a search result obtained from the database () with the keyword as a search query, wherein when a string has been designated by the service person, the display controller () causes the display () to display a search result obtained from the database () using a search query that incorporates the string, until a search result automatic update instruction is given by the service person.
Inventor(s): Saki HATTA of Tokyo (JP) for nippon telegraph and telephone corporation, Hiroyuki UZAWA of Tokyo (JP) for nippon telegraph and telephone corporation, Shuhei YOSHIDA of Tokyo (JP) for nippon telegraph and telephone corporation, Yuko IINUMA of Tokyo (JP) for nippon telegraph and telephone corporation, Yuya OMORI of Tokyo (JP) for nippon telegraph and telephone corporation, Daisuke KOBAYASHI of Tokyo (JP) for nippon telegraph and telephone corporation, Ken NAKAMURA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F17/15
CPC Code(s): G06F17/15
Abstract: there is provided a data processing device that performs a convolution operation of two pieces of input data of 2�n bits (n is a positive integer and m is a natural number) width with a minimum accuracy of the convolution operation being n bits, and performs processing corresponding to a plurality of the consecutive m, the data processing device including: a product-sum operation unit that performs a product-sum operation according to the value of m; a shifter that performs shift processing on a result of a product-sum operation of the product-sum operation unit in a case where the value of m is not 0; an addition unit that performs addition processing on each output of the shifter or the product-sum operation unit according to the value of m; a selector that selects an output from the addition unit according to the value of m; a cumulative addition unit that cumulatively adds the outputs from the selector ; and a cumulative addition memory that stores outputs from the cumulative addition unit in a process of a convolution operation.
Inventor(s): Ryohei SATO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F21/57, G06F21/55
CPC Code(s): G06F21/577
Abstract: a model generation device of a vulnerability evaluation system acquires each of vulnerability data that has been disclosed from a database and an attack code that has been disclosed, and creates a calculation model for obtaining an exploit probability indicating a probability that the vulnerability is exploited according to an elapsed time from a disclosure time point of each of the vulnerability data that has been acquired, as a distribution of the elapsed time from the disclosure time point of each of the vulnerability data that has been acquired to a disclosure time point of the attack code for exploiting the vulnerability. a model evaluation device of the vulnerability evaluation system receives an input of the elapsed time from the disclosure time point of the vulnerability data to be evaluated, and obtains the exploit probability corresponding to the elapsed time that has been input based on the calculation model.
Inventor(s): Koki NAKANISHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Fumihiro YOKOSE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Haruo OISHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06Q10/0633
CPC Code(s): G06Q10/0633
Abstract: an operation support apparatus acquires a value related to determination on a conditional branch in a pad from configuration information of an apparatus to be operated, and detects a conditional branch node from the pad using the acquired value. then, the operation support apparatus determines whether the apparatus to be operated satisfies a condition indicated by the detected conditional branch node by using the acquired value. thereafter, the operation support apparatus hides, from the pad, a branch node when the apparatus to be operated does not satisfy the condition indicated by the conditional branch node.
Inventor(s): Manami OGAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shunsuke KANAI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kenji Murase of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Masataka Sato of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kazuaki AKASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroaki MATSUBAYASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shohei Nishikawa of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06Q10/0835
CPC Code(s): G06Q10/08355
Abstract: a delivery support device includes a derivation unit that derives a route of a resource in a delivery apparatus, for minimizing a maximum value of a time during which the resource is exhausted at a plurality of first locations. the derivation unit derives the route on the basis of a branch-and-bound method using a relaxation problem of aggregating a plurality of second locations of which a delivery order is not determined among the plurality of first locations into one point.
Inventor(s): Katsuhiro SUZUKI of Tokyo (JP) for nippon telegraph and telephone corporation, Kazuya MATSUO of Tokyo (JP) for nippon telegraph and telephone corporation, Lidwina Ayu ANDARINI of Tokyo (JP) for nippon telegraph and telephone corporation, Takashi KUBO of Tokyo (JP) for nippon telegraph and telephone corporation, Toru NISHIMURA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06T17/00, G06T7/60, G06T7/70
CPC Code(s): G06T17/00
Abstract: a generation device () includes: a 3d reconstruction unit () that reconstructs an original three-dimensional image based on a plurality of images and a plurality of depth images, and acquires information indicating a position, a posture, a shape, and an appearance of a mapping target object that is a target of mapping to a digital space, and position information and posture information of an imaging device that has captured the image and the depth image; a labeling unit () that acquires a plurality of two-dimensional images in which labels or categories are associated with all pixels in an image based on the plurality of images; an estimation unit () that estimates a material and mass of the mapping target object based on the plurality of two-dimensional images and the position information and the posture information of the imaging device; and a generation unit () that integrates the information indicating a position, a posture, a shape, and an appearance of the mapping target object, and the information indicating the material and mass of the mapping target object, and generates digital twin data including position information, posture information, shape information, appearance information, material information, and mass information of the mapping target object.
Inventor(s): Yasuhiro YAO of Tokyo (JP) for nippon telegraph and telephone corporation, Kana KURATA of Tokyo (JP) for nippon telegraph and telephone corporation, Shingo ANDO of Tokyo (JP) for nippon telegraph and telephone corporation, Jun SHIMAMURA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06T19/20
CPC Code(s): G06T19/20
Abstract: a position and posture estimation device acquires three-dimensional point cloud data at each of times and position data at each of times, the three-dimensional point cloud data being measured every time a first time elapses, the position data being measured every time a second time longer than the first time elapses. the position and posture estimation device estimates a local position in a local coordinate system and a local posture in the local coordinate system. the position and posture estimation device estimates an estimated absolute position and an estimated absolute posture in an absolute coordinate system every time the position data is acquired. the position and posture estimation device generates provisional three-dimensional point cloud data in the absolute coordinate system every time the position data is acquired. the position and posture estimation device generates composite data obtained by integrating the provisional three-dimensional point cloud data and map point cloud data generated from three-dimensional point cloud data previously measured, and corrects the estimated absolute position and the estimated absolute posture to increase a degree of coincidence between the composite data and the map point cloud data.
Inventor(s): Hiroshi CHIGIRA of Tokyo (JP) for nippon telegraph and telephone corporation, Masakatsu AOKI of Tokyo (JP) for nippon telegraph and telephone corporation, Takashi MIYATAKE of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01Q3/04
CPC Code(s): H01Q3/04
Abstract: an antenna control device () according to the present invention includes: a mobile environment characteristic measurement unit () that measures a displacement amount in a three-dimensional direction of a first communication device () on which a first antenna () is mounted; a storage unit () that stores antenna characteristics of the first antenna (); and a determination unit () that determines whether or not a gain of the first antenna () is equal to or greater than a threshold when the first communication device () communicates with a second communication device (), and in a case where the gain of the first antenna () is less than the threshold value, receives as input the antenna characteristics of the first antenna () and the displacement amount in the three-dimensional direction of the first communication device () to determine orientations of the first antenna () and a second antenna () that is mounted on the second communication device () so that the gain of the first antenna () is equal to or greater than the threshold; and a first antenna orientation change unit () that receives a determination result from the determination unit () and changes the orientation of the first antenna ().
20250038472. OPTICAL TRANSMITTER_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Shigeru Kanazawa of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takahiko Shindo of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Meishin Chin of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shohei Kosuga of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01S5/026, H01S5/12
CPC Code(s): H01S5/0265
Abstract: band deterioration due to parasitic inductance of a bonding wire is suppressed. provided is an optical transmitter in which a chip to which a high frequency signal is applied is mounted on a carrier on which a high frequency wire is formed, and a high frequency signal is supplied to an electrode of the chip via a bump formed on a signal line of the high frequency wire and equal to a height of the chip.
Inventor(s): Masato Takiguchi of Tokyo (JP) for nippon telegraph and telephone corporation, Masaya Notomi of Tokyo (JP) for nippon telegraph and telephone corporation, Taiki Yoda of Tokyo (JP) for nippon telegraph and telephone corporation, Hisashi Sumikura of Tokyo (JP) for nippon telegraph and telephone corporation, Akihiko Shinya of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01S5/34
CPC Code(s): H01S5/341
Abstract: a nanowire of the present invention is a columnar semiconductor, and includes a hollow part in a central axis direction of the columnar semiconductor, in which a central axis of the columnar semiconductor and a central axis of the hollow part substantially coincide with each other to generate a vector beam. in the nanowire, a nanowire diameter may be two times or more and four times or less of an upper limit value of the nanowire diameter in which light exists in a single mode. further, a horizontal cross section of the columnar semiconductor may be circular or polygonal.
Inventor(s): Takanori WASHIRO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H02J50/20, H02J50/12
CPC Code(s): H02J50/20
Abstract: an antenna apparatus for wireless power transmission, the antenna apparatus includes: two electrodes being perpendicular to each other; a first coil connecting the two electrodes; and a second coil magnetically coupled to the first coil.
Inventor(s): Takeshi KAKIZAKI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Masanori NAKAMURA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Fukutaro HAMAOKA of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H03M7/30, H03M9/00, H03M13/11
CPC Code(s): H03M7/6005
Abstract: an encoding circuit including: a serial-parallel circuit that performs serial-parallel conversion on input data of a uniform sequence to divide the data into a plurality of pieces of divided data; a sequence conversion unit that encodes the divided data and converts the encoded divided data into divided data of a non-uniform sequence; a parallel-serial circuit that converts the divided data and the divided data of the non-uniform sequence converted by the sequence conversion unit into serial data by performing parallel-serial conversion; an external encoding unit that adds an error correction code to the serial data and encodes the serial data; a division unit that divides the serial data to which the error correction code is added into a plurality of pieces of divided data; a bit conversion circuit that regards the plurality of pieces of divided data divided as data to be transmitted in different subchannels and converts a bit sequence to make a communication channel capacity of each subchannel non-uniform; and a conversion unit that allocates data of a uniform sequence to a least significant bit and allocates data of a non-uniform sequence to a most significant bit among the plurality of pieces of divided data.
Inventor(s): Hiroshi OIWA of Tokyo (JP) for nippon telegraph and telephone corporation, Hiroshi YOSHIDA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/079, H04Q11/00
CPC Code(s): H04B10/0791
Abstract: according to an aspect of the present invention, there is provided a terminal station device in a passive optical communication network in which the terminal station device and a subscriber line termination device are connected to each other, the terminal station device including: a distance measurement unit that measures a distance between the terminal station device and the subscriber line termination device; a signal intensity measurement unit that measures an intensity of a signal received from the subscriber line termination device; and an estimation unit that estimates an occurrence of a sign of a failure in the subscriber line termination device based on a measurement result of the distance by the distance measurement unit and a measurement result of the intensity of the signal by the signal intensity measurement unit.
20250038857. Optical Circuit_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Shigeru Kanazawa of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takahiko Shindo of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Meishin Chin of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shohei Kosuga of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/50, G02F1/21, G02F1/225, H01S5/00
CPC Code(s): H04B10/505
Abstract: a novel mounting form of a capacitor for blocking a bias voltage in an optical circuit including an optical chip including an optical modulator, a wiring board that supplies a high-frequency electrical signal, and a connection substrate that connects the optical chip and the wiring board is disclosed. a wiring board and a light-modulating light source chip are mounted on a subcarrier. the wiring board and the light-modulating light source chip are connected by a connection substrate, and a high-frequency electrical signal is input to a modulation input electrode from the outside of the optical circuit. the connection substrate includes a termination resistor on a first surface connected to two substrates by gold bumps. one electrode of the termination resistor is connected to an end of a transmission line on the modulation input electrode side. the other electrode of the termination resistor is connected to a high impedance line.
Inventor(s): Kyo MINOGUCHI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Masanori NAKAMURA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Seiji OKAMOTO of Musashino-shi (JP) for nippon telegraph and telephone corporation, Yoshiaki KISAKA of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/61, H04B10/079
CPC Code(s): H04B10/6165
Abstract: an estimation method in an optical transmission system that performs communication by a digital coherent system including an optical transmission device and an optical reception device, the estimation method including calculating a ratio of a linearly transformed amount after converting a tap coefficient of a digital filter included in the optical reception device into a frequency domain signal by digital fourier transform, and estimating a physical quantity related to at least a response between the optical transmission device and the optical reception device based on amplitude and phase information of the ratio of the calculated linearly transformed amount.
Inventor(s): Yuki YAMANAKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L1/24, H04L43/16
CPC Code(s): H04L1/24
Abstract: an abnormality detection device includes processing circuitry configured to input a normal packet to a bidirectional encoder representations from transformers (bert) model learned using the normal packet, and acquire a size of attention for each byte portion when encoding of the normal packet is performed, sample an important byte portion of the normal packet based on the size of the attention of each byte portion of the normal packet acquired, and rewrite the sampled important byte portion to a random byte to generate a pseudo-abnormal packet, and determine a threshold value of an abnormality degree for detecting an abnormal packet based on the abnormality degree of the generated pseudo-abnormal packet group and normal packet group.
Inventor(s): Kenta Shinohara of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L12/46
CPC Code(s): H04L12/4633
Abstract: a packet relay system () includes a tenant () in which a plurality of tap devices () terminating a tunneling protocol are built, a tenant () in which a plurality of tap devices () are built, and a plurality of relay devices () connecting the plurality of tenants () and external devices (). the relay devices () include respective connection management units () that determine transfer destinations of packets received from the external devices () based on header information of the packets.
Inventor(s): Kiwami INOUE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Junki ICHIKAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yukio TSUKISHIMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kenji SHIMIZU of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hideki Nishizawa of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toru MANO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomoya HIBI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L67/1097
CPC Code(s): H04L67/1097
Abstract: a communication system includes a plurality of computing machines and connected to an optical network, in which the optical network includes a main signal communication path and a control communication path . each of the computing machines and includes a control unit that sets a remote direct memory access (rdma) communication path, and a communication unit that transmits a setting request including setting information of the rdma communication path set by the control unit and setting information for setting the main signal communication path to a computing machine of an access destination via the control communication path ; and a main signal transmitting/receiving unit that establishes the main signal communication path based on the setting information of the main signal communication path
Inventor(s): Hironobu CHIBA of Tokyo (JP) for nippon telegraph and telephone corporation, Tatsuya KAKO of Tokyo (JP) for nippon telegraph and telephone corporation, Kazunori KOBAYASHI of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04R1/10
CPC Code(s): H04R1/1016
Abstract: provided is an acoustic signal output device including a housing that emits an acoustic signal, and a wearable portion that holds the housing and is formed to be worn on an auricle. provided that the wearable portion includes a fixing portion including a concave inner wall surface formed to be fitted into an upper portion of the auricle, and a shielding wall formed to cover only a part of the auricle when a side of the inner wall surface of the fixing portion is fitted into an upper portion of the auricle.
Inventor(s): Masashi IWABUCHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Riku OMIYA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tatsuhiko IWAKUNI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomoaki OGAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yasushi TAKATORI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W24/02, H04B7/06, H04L5/00
CPC Code(s): H04W24/02
Abstract: the following processing is performed in the learning phase. the base station device transmits a control signal toward the relay device. the relay device dynamically selects a phase weight that determines the beam direction of the reflected wave according to the set value. a channel state of the ch2 is estimated from a low-frequency ch2 reference signal that has arrived at the base station device from the terminal device. the communication quality of the ch1 is measured from the high-frequency ch1 reference signal that has arrived at the base station device from the terminal device. a learning model is generated by learning the set value, the channel state, and the communication quality. in the estimation phase, the latest channel state acquired by the ch2 is applied to the learning model, and an optimum set value predicted to maximize the communication quality under the latest state is estimated.
Inventor(s): Shoko SHINOHARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yusuke ASAI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yasushi TAKATORI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Junichi IWATANI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yoshitaka SHIMIZU of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomoyuki YAMADA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W24/08, H04W84/12
CPC Code(s): H04W24/08
Abstract: a frequency state observation system observes a spectrum in a predetermined frequency range by a plurality of observation devices that are arranged in advance at different positions in a predetermined area, performs wireless communication in the predetermined frequency range, receives, by a data calculation device, the spectrum and packet information from each of the plurality of observation devices together with each of time information, synchronizes each of spectra received by the data calculation device based on time information of packet information corresponding to the spectra, and determines usage of a frequency in the predetermined area or the type of a wireless system transmitting a radio wave in the predetermined area, on the basis of each of the synchronized spectra.
Inventor(s): Riku OMIYA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Junichi IWATANI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Akira KISHIDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shinya OTSUKI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yusuke ASAI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomoaki OGAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yasushi TAKATORI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W28/02, H04W84/12
CPC Code(s): H04W28/0268
Abstract: a wireless communication system according to one embodiment is a wireless communication system including: one or more wireless terminals capable of communicating by both a first communication scheme using a first frequency band and a second communication scheme using a second frequency band, which is higher than the first frequency band; and a multi-device compatible base station that accommodates the wireless terminals, and the wireless communication system includes: delay determination circuitry configured to determine whether a delay in communication of the second communication scheme exceeds a predetermined value; and a controller to perform control such that the wireless terminals and the base station communicate by the first communication scheme without using the second communication scheme until a predetermined time elapses in a case where the delay determination circuitry determine that the delay exceeds the predetermined value.
Inventor(s): Masashi Miyata of Tokyo (JP) for nippon telegraph and telephone corporation, Mitsumasa Nakajima of Tokyo (JP) for nippon telegraph and telephone corporation, Toshikazu Hashimoto of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01L27/146, G02B3/00, G02B5/20, G02B27/10
CPC Code(s): H01L27/14603
Abstract: an image sensor includes a two-dimensional pixel array in which a plurality of pixels including photoelectric conversion elements are arranged in the form of an array on a substrate, a transparent layer formed on the two-dimensional pixel array, and a two-dimensional spectroscopic element array in which a plurality of spectroscopic elements are arranged in the form of an array inside or on the transparent layer. each spectroscopic element includes a plurality of microstructures having a higher refractive index than a refractive index of the transparent layer. the plurality of microstructures have a microstructure pattern. each of the spectroscopic elements splits incident light into first to fourth deflected lights, which have different transmission directions, according to the wavelength region. first to fourth pixels, which are adjacent to each other and are located directly below each of the spectroscopic elements, respectively detect the first to fourth deflected lights.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on January 30th, 2025
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- F03H1/00
- B64G1/40
- CPC F03H1/0037
- Nippon telegraph and telephone corporation
- G06F16/9038
- G06F16/903
- G06F16/9032
- CPC G06F16/9038
- G06F17/15
- CPC G06F17/15
- G06F21/57
- G06F21/55
- CPC G06F21/577
- G06Q10/0633
- CPC G06Q10/0633
- G06Q10/0835
- CPC G06Q10/08355
- G06T17/00
- G06T7/60
- G06T7/70
- CPC G06T17/00
- G06T19/20
- CPC G06T19/20
- H01Q3/04
- CPC H01Q3/04
- H01S5/026
- H01S5/12
- CPC H01S5/0265
- H01S5/34
- CPC H01S5/341
- H02J50/20
- H02J50/12
- CPC H02J50/20
- H03M7/30
- H03M9/00
- H03M13/11
- CPC H03M7/6005
- H04B10/079
- H04Q11/00
- CPC H04B10/0791
- H04B10/50
- G02F1/21
- G02F1/225
- H01S5/00
- CPC H04B10/505
- H04B10/61
- CPC H04B10/6165
- H04L1/24
- H04L43/16
- CPC H04L1/24
- H04L12/46
- CPC H04L12/4633
- H04L67/1097
- CPC H04L67/1097
- H04R1/10
- CPC H04R1/1016
- H04W24/02
- H04B7/06
- H04L5/00
- CPC H04W24/02
- H04W24/08
- H04W84/12
- CPC H04W24/08
- H04W28/02
- CPC H04W28/0268
- H01L27/146
- G02B3/00
- G02B5/20
- G02B27/10
- CPC H01L27/14603