NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on January 9th, 2025
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION on January 9th, 2025
NIPPON TELEGRAPH AND TELEPHONE CORPORATION: 23 patent applications
NIPPON TELEGRAPH AND TELEPHONE CORPORATION has applied for patents in the areas of H04L5/00 (3), H04Q11/00 (3), A63B24/00 (2), H04L9/08 (2), H04B10/27 (2) H04Q11/0005 (3), A61B5/165 (1), H04L43/08 (1), H04W56/006 (1), H04W28/04 (1)
With keywords such as: communication, data, device, optical, unit, wireless, signal, apparatus, transmission, and information in patent application abstracts.
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor(s): Ryota NISHIZONO of Tokyo (JP) for nippon telegraph and telephone corporation, Naoki SAIJO of Tokyo (JP) for nippon telegraph and telephone corporation, Makio KASHINO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): A61B5/16, A61B5/00
CPC Code(s): A61B5/165
Abstract: provided is technique for estimating a psychological/cognitive state of a subject during task execution by using time-series data related to a blinking of the subject during the task execution. a time-series data acquisition unit that acquires time-series data (hereinafter referred to as subject time-series data) related to the blinking of the subject during a predetermined task, and a state estimation unit that generates a state estimation result indicating a psychological/cognitive state of the subject from the subject time-series data and time-series data (hereinafter referred to as reference time-series data) related to a blinking serving as a reference are included.
Inventor(s): Daiki NASU of Tokyo (JP) for nippon telegraph and telephone corporation, Makio KASHINO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): A63B24/00, A63B102/18
CPC Code(s): A63B24/0003
Abstract: provided is an evaluation apparatus and the like for evaluating a subject from a body motion of the subject and a behavior of an object accompanying the body motion of the subject. the evaluation apparatus evaluates, using time series data related to a body movement of a subject and time series data related to a behavior of an object accompanying the body movement, the subject on the basis of an error between a behavior of the object estimated from the body movement and an actual behavior of the object.
Inventor(s): Arinobu NIIJIMA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): A63B24/00, H04W4/38
CPC Code(s): A63B24/0006
Abstract: one aspect of the present invention acquires sensor data reflecting a motion state of a measurement object at a preset sample rate, estimates a feature amount representing the motion state from the acquired sensor data, compares the estimated feature amount with a determination index prepared in advance to generate determination information of the motion state, and variably sets a transmission parameter for transmitting the sensor data to a remote place for each sample on the basis of the generated determination information.
Inventor(s): Yuya Uzumaki of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Sayumi Sato of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Akihiro Kono of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takeshi Komatsu of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): C25B11/02, C25B11/052, C25B11/087
CPC Code(s): C25B11/02
Abstract: a semiconductor photoelectrode includes a conductive or insulating substrate having a moth-eye structure on a surface; a semiconductor thin film disposed on a surface having the moth-eye structure of the substrate; a catalyst layer disposed on the semiconductor thin film; and a reflection layer disposed on a surface opposite to the surface having the moth-eye structure of the substrate.
Inventor(s): Toki TAKEDA of Tokyo (JP) for nippon telegraph and telephone corporation, Arinobu NIIJIMA of Tokyo (JP) for nippon telegraph and telephone corporation, Ryosuke AOKI of Tokyo (JP) for nippon telegraph and telephone corporation, Shinji MIYAHARA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F3/01, G06F3/16
CPC Code(s): G06F3/016
Abstract: a vibration perception position control device includes a sound image localization setting unit, a vibration signal generation unit, a synchronization control unit, a guidance control unit, a sound control unit, and a vibration control unit. the sound image localization setting unit performs setting for localizing a sound image in a drive signal of a sound device on the basis of information indicating a direction of a sound source of each sound included in sound data. the vibration signal generation unit generates a vibration signal on the basis of information indicating vibration of a vibration device that applies vibration to a palm surface of a user. the synchronization control unit performs control to synchronize timings at which sound and vibration are generated. the guidance control unit controls presentation of guidance information for guiding the orientation and angle of the palm surface.
Inventor(s): Atsushi OTSUKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Narichika NOMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Atsushi FUKAYAMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F40/279, G06F40/40
CPC Code(s): G06F40/279
Abstract: an information processing apparatus includes processing circuitry configured to receive an analysis target sentence as an input and generate a generation sentence, the generation sentence being a sentence regarding content of the analysis target sentence, and a classification type, the classification type being information indicating whether or not the generation sentence is a question sentence for information in which an answer is not included in the analysis target sentence, using a machine learning model learned in advance, and output the generation sentence and the classification type generated.
Inventor(s): Yoshiaki TAKIMOTO of Musashino-shi (JP) for nippon telegraph and telephone corporation, Maya OKAWA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Tomoharu IWATA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Yusuke TANAKA of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06N3/08
CPC Code(s): G06N3/08
Abstract: an information processing apparatus includes a monotonic neural network, and a first calculation unit configured to calculate a cumulative intensity function based on an output from the monotonic neural network and a product of a parameter and time.
Inventor(s): Yusuke SAKURAHARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Mitsuyasu YANAGIDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yukihiro GOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takashi EBINE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06T17/00
CPC Code(s): G06T17/00
Abstract: there is provided an apparatus for creating a three-dimensional model of an object having a small diameter from point cloud data representing three-dimensional coordinates. the apparatus is configured to cluster points included in the point cloud data, obtain a curve passing through points in a cluster for at least one cluster, extract point clouds disposed on a curve coincident with the curve passing through the points, and create a three-dimensional model of the object by connecting the extracted point clouds.
Inventor(s): Manabu Mitsuhara of Tokyo (JP) for nippon telegraph and telephone corporation, Wataru Kobayashi of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01S5/06, H01S5/22, H01S5/343
CPC Code(s): H01S5/0612
Abstract: a semiconductor laser of the present invention includes a first cladding layer, an active layer, and a second cladding layer sequentially provided on a substrate, includes a ridge portion arranged in a waveguide direction in the second cladding layer and a heater arranged near the ridge portion, and has an oscillation wavelength of 1.6 �m to 2.4 �m. furthermore, a first guide layer and a second guide layer are provided between the first cladding layer and the active layer and between the active layer and the second cladding layer, respectively, a diffraction grating is provided at a boundary between the first cladding layer and the first guide layer or a boundary between the second cladding layer and the second guide layer, and an insulating film is provided on a surface of the second guide layer excluding the ridge portion, and the heater is arranged on the insulating film.
20250015773. MULTI-STAGE AMPLIFIER_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Tadashi Minotani of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H03F3/68
CPC Code(s): H03F3/68
Abstract: in a multi-stage amplifier, a plurality of amplifier circuits are connected in series, and the amplifier circuit has a 0 db frequency at which magnitude of a normalized transfer function normalized at a low frequency gain becomes 1 at a frequency other than a direct current.
Inventor(s): Tetsuya OKUDA of Tokyo (JP) for nippon telegraph and telephone corporation, Misato NAKABAYASHI of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L9/32, H04L9/08
CPC Code(s): H04L9/3247
Abstract: a program execution system including a data holding apparatus; a program providing apparatus; and a data processing apparatus that includes a mechanism for performing secret computing in a secure area is provided. the data holding apparatus transmits encrypted data of data d to the data processing apparatus, the program providing apparatus transmits an encrypted program of a program p to the data processing apparatus, the program providing apparatus transmits a secret key skp to the data processing apparatus, the data processing apparatus generates a first signature by the secret key skp on behalf of the program providing apparatus and transmits the first signature to the data holding apparatus, the data holding apparatus verifies the first signature and transmits a secret key skd to the data processing apparatus, and the data processing apparatus computes, in the secure area, a result p(d) by executing the program p based on the data d.
Inventor(s): Shohei KAMAMURA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yuhei HAYASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Masato YAMADA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Chiharu MORIOKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satomi Inoue of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yuki MIYOSHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Akinori FURUTA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L43/08, H04L41/147
CPC Code(s): H04L43/08
Abstract: a division unit divides communication traffic in a communication network into a plurality of streams. a calculation unit calculates a first abnormality degree based on a result of autoregressive analysis of a first stream among the plurality of streams, and a second abnormality degree based on a comparison result between the first stream and a second stream similar to the first stream. a determination unit determines whether the cause of the abnormality is the first stream, a stream different from the first stream, or a communication network based on the first abnormality degree and the second abnormality degree.
Inventor(s): Takafumi TANAKA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Takuya OHARA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Fumikazu INUZUKA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Takuya ODA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Masayuki SHIMODA of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L45/24
CPC Code(s): H04L45/24
Abstract: an aspect of the present invention is a communication path search device that constructs a multicast path of a plurality of nodes connected to a network, the communication path search device including a network device information management unit configured to manage a device specification including constraint information on the number of branches of each of the nodes on the network, a network topology management unit configured to manage link information between the nodes on the network, and a multicast tree calculation unit configured to construct a steiner tree of a path connecting a start node and an end node based on a new request, an existing request, the constraint information on the number of branches of each of the nodes, constraint information on a maximum number of branches of each of the nodes, and the link information, the new request and the existing request each including start node and end node information.
Inventor(s): Sakae CHIKARA of Tokyo (JP) for nippon telegraph and telephone corporation, Tsunekazu SAITO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L9/40, H04L9/08, H04L9/30
CPC Code(s): H04L63/0428
Abstract: a communication system according to one embodiment is a communication system including a plurality of communication apparatuses, in which each communication apparatus includes: an application program configured to perform encrypted communication with another communication apparatus; a protocol conversion unit configured to transmit a message representing a predetermined procedure when a key request for a shared key to be used in the encrypted communication is received from the application program; a state management unit configured to receive a message from the protocol conversion unit to manage an execution state of the procedure, and to transmit the message to a protocol driver supporting a predetermined key sharing protocol; and a protocol driver configured to request a key sharing system that executes the key sharing protocol, to generate the shared key, when the message is received from the state management unit.
Inventor(s): Takuya KANAI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Shin KANEKO of Musashino-shi (JP) for nippon telegraph and telephone corporation, Naotaka SHIBATA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Junichi KANI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Tomoaki YOSHIDA of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04Q11/00, H04B10/27
CPC Code(s): H04Q11/0005
Abstract: an optical node device to which a first subscriber device and a second subscriber device are connected in an optical communication system in which the first subscriber device and the second subscriber device are mixed, the first subscriber device being connected by one core using different wavelengths in transmission and reception, the second subscriber device being connected by two cores using the same wavelength in transmission and reception, the optical node device including: a transmission/reception separator that transfers an optical signal transmitted from the first subscriber device and an optical signal addressed to the first subscriber device without interference; and an optical switch that controls a connection relationship between ports such that an optical signal transmitted from the first subscriber device or an optical signal addressed to the first subscriber device passes through the transmission/reception separator and an optical signal transmitted from the second subscriber device or an optical signal addressed to the second subscriber device does not pass through the transmission/reception separator, and outputs an optical signal input from a certain optical transmission line from another optical transmission line.
Inventor(s): Naotaka SHIBATA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Shin KANEKO of Musashino-shi (JP) for nippon telegraph and telephone corporation, Takuya KANAI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Tomoaki YOSHIDA of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04Q11/00
CPC Code(s): H04Q11/0005
Abstract: an aspect of the present invention is an optical transmission device including a connector that is able to be connected to an accommodation module accommodating an optical fiber such that optical communication is performed, an optical switch that receives an optical signal from the connector and outputs an optical signal to the connector, an optical switch controller that controls the optical switch, an up wavelength multiplexer/demultiplexer that multiplexes light of a plurality of wavelengths output from the optical switch and outputs the multiplexed light to a transmission line, and a down wavelength multiplexer/demultiplexer that demultiplexes light input from the transmission line and outputs the demultiplexed light to the optical switch, wherein the connector can be connected to any one of a one-core accommodation module and a two-core accommodation module as the accommodation module.
Inventor(s): Naotaka SHIBATA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Shin KANEKO of Musashino-shi (JP) for nippon telegraph and telephone corporation, Takuya KANAI of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04Q11/00, H04B10/27
CPC Code(s): H04Q11/0005
Abstract: an optical communication system including an optical switch that is connected to a plurality of optical transmission lines and outputs an optical signal input from any of the optical transmission lines to another optical transmission line, and a transfer unit configured to convert simplex transmission into duplex transmission or converts duplex transmission into simplex transmission between a subscriber device and the optical switch or between a first port of the optical switch to which the subscriber device is directly or indirectly connected and a second port opposite to the first port, and transfers the optical signal so as not to cause interference between uplink and downlink.
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, H04R1/28, H04R1/34, H04R1/40, H04R3/12
CPC Code(s): H04R1/1083
Abstract: provided is an acoustic signal output device including a single or plurality of driver units, a first housing portion in which a wall portion is provided with a single or plurality of first sound holes for leading out a first acoustic signal emitted from one of the driver units to an outside and a single or plurality of second sound holes for leading out a second acoustic signal emitted from one of the driver units to an outside, and a second housing portion in which a wall portion is provided with a single or plurality of third sound holes for leading out a third acoustic signal emitted from one of the driver units to an outside and a single or plurality of fourth sound holes for leading out a fourth acoustic signal emitted from one of the driver units to an outside. here, an attenuation rate of the first acoustic signal at a farther second point with reference to a first point is equal to or less than a predetermined value smaller than an attenuation rate due to air propagation of an acoustic signal at the second point with reference to the first point. alternatively, an attenuation amount of the first acoustic signal at the second point with reference to the first point is equal to or more than a predetermined value larger than an attenuation amount due to air propagation of an acoustic signal at the second point with reference to the first point.
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): H04W16/18, H04L5/00, H04W28/20
CPC Code(s): H04W16/18
Abstract: a frequency state observation system according to an embodiment includes a spectrum observation device that observes a spectrum of a frequency range that can be used by a plurality of wireless communication systems, a control device that controls the spectrum observation device to perform a plurality of single sweeps over the frequency range, and a wireless communication device that transmits, by a radio signal, information indicating a frequency of occurrence of a signal having a predetermined threshold or more included in a spectrum observed by the spectrum observation device performing a plurality of single sweeps, with respect to a predetermined time.
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): H04W24/10, H04L5/00, H04W72/0446
CPC Code(s): H04W24/10
Abstract: the wireless communication system includes a plurality of wireless terminals each including a plurality of wireless interfaces corresponding to a plurality of channels in different frequency bands, and a wireless base station device that establishes wireless communication with the wireless terminals. each of the wireless terminals performs channel sensing, and transmits sensing information including an identifier of a sensed channel, a sensing result of the channel, and an identifier of the wireless terminal. the wireless base station device calculates and stores the number of sensing channels for each of the wireless terminals on the basis of the sensing information, the number of sensing channels being the number of channels sensed by the wireless terminal, and allocates a reward according to the number of sensing channels to each of the plurality of wireless terminals.
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): H04W28/04
CPC Code(s): H04W28/04
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: number-of-times measurement circuitry configured to measure the number of retries for attempting communication by the second communication scheme; and a controller to perform control such that the base station performs wireless communication by the first communication scheme without using the second communication scheme until a predetermined time elapses with respect to a wireless terminal in which the number of times measured by the number-of-times measurement circuitry exceed a predetermined number of times.
Inventor(s): Minoru INOMATA of Tokyo (JP) for nippon telegraph and telephone corporation, Wataru YAMADA of Tokyo (JP) for nippon telegraph and telephone corporation, Nobuaki KUNO of Tokyo (JP) for nippon telegraph and telephone corporation, Motoharu SASAKI of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W56/00, H04L5/00
CPC Code(s): H04W56/006
Abstract: a communication design support apparatus includes: a propagation model storage unit that stores a propagation model; an acquisition unit that acquires data in which structure data containing coordinate data is associated with data indicating propagation loss in a plurality of frequency bands; an input receiving unit that receives input of a frequency band for which a radio field intensity is to be estimated; and an estimation unit that inputs the frequency band to the propagation model and estimates the propagation loss.
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): H04W74/0816, H04W8/22, H04W74/08, H04W84/12
CPC Code(s): H04W74/0816
Abstract: a wireless communication system includes: a first wireless terminal capable of communicating through both a first communication scheme using a first frequency band and a second communication scheme using a second frequency band higher than the first frequency band; a second wireless terminal that is compatible with communication through the first communication scheme and is not compatible with communication through the second communication scheme; and a multi-link compatible base station that accommodates the first wireless terminal and the second wireless terminal. a contention window value during transmission in communication between the base station and the first wireless terminal through the first communication scheme is set to a value greater than a predetermined value that is a contention window value during transmission in communication between the base station and the second wireless terminal through the first communication scheme.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on January 9th, 2025
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- A61B5/16
- A61B5/00
- CPC A61B5/165
- Nippon telegraph and telephone corporation
- A63B24/00
- A63B102/18
- CPC A63B24/0003
- H04W4/38
- CPC A63B24/0006
- C25B11/02
- C25B11/052
- C25B11/087
- CPC C25B11/02
- G06F3/01
- G06F3/16
- CPC G06F3/016
- G06F40/279
- G06F40/40
- CPC G06F40/279
- G06N3/08
- CPC G06N3/08
- G06T17/00
- CPC G06T17/00
- H01S5/06
- H01S5/22
- H01S5/343
- CPC H01S5/0612
- H03F3/68
- CPC H03F3/68
- H04L9/32
- H04L9/08
- CPC H04L9/3247
- H04L43/08
- H04L41/147
- CPC H04L43/08
- H04L45/24
- CPC H04L45/24
- H04L9/40
- H04L9/30
- CPC H04L63/0428
- H04Q11/00
- H04B10/27
- CPC H04Q11/0005
- H04R1/10
- H04R1/28
- H04R1/34
- H04R1/40
- H04R3/12
- CPC H04R1/1083
- H04W16/18
- H04L5/00
- H04W28/20
- CPC H04W16/18
- H04W24/10
- H04W72/0446
- CPC H04W24/10
- H04W28/04
- CPC H04W28/04
- H04W56/00
- CPC H04W56/006
- H04W74/0816
- H04W8/22
- H04W74/08
- H04W84/12
- CPC H04W74/0816