NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on April 11th, 2024
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION on April 11th, 2024
NIPPON TELEGRAPH AND TELEPHONE CORPORATION: 31 patent applications
NIPPON TELEGRAPH AND TELEPHONE CORPORATION has applied for patents in the areas of B64U30/299 (2), G06T7/194 (2), H04N23/84 (2), H04W28/04 (2), H04N23/55 (2)
With keywords such as: unit, information, device, optical, signal, data, wireless, cell, communication, and sound in patent application abstracts.
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor(s): Daisuke UCHIBORI of Tokyo (JP) for nippon telegraph and telephone corporation, Yujin HAMANO of Tokyo (JP) for nippon telegraph and telephone corporation, Kazuaki WATANABE of Tokyo (JP) for nippon telegraph and telephone corporation, Masafumi NAKAGAWA of Tokyo (JP) for nippon telegraph and telephone corporation, Atsushi ARATAKE of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): B64U30/299
Abstract: a propeller guard includes: a propeller guard body configured to surround a propeller of a flight vehicle ; and a rotating member provided on a side surface of the propeller guard body , in which the rotating member is able to rotate around at least a horizontal base axis in a case where the rotating member is in contact with a vertical plane located outside the propeller guard body
20240117500.ANTICORROTION SYSTEM_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Mamoru Mizunuma of Tokyo (JP) for nippon telegraph and telephone corporation, Shingo Mineta of Tokyo (JP) for nippon telegraph and telephone corporation, Shota Oki of Tokyo (JP) for nippon telegraph and telephone corporation, Soichi Oka of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): C23F13/20, C23F13/12, H02S20/10, H02S40/30
Abstract: an anchor is buried in the ground near a place where a utility pole is installed. a guy wire is connected to the utility pole. a guy wire rod couples the anchor and the guy wire. an electrode is buried in the ground near a place where the anchor is buried. a power supply supplies an anti-corrosion current with an underground portion of the guy wire rod and the anchor as a cathode and the electrode as an anode. the power supply includes a photovoltaic cell.
Inventor(s): Tatsuya OKAMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Daisuke IIDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yusuke KOSHIKIYA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Nazuki HONDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01H9/00, G01D5/353
Abstract: an object of the present disclosure is to provide a method for remotely identifying a utility pole position and estimating a state of an overhead optical fiber cable.
Inventor(s): Tatsuya OKAMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Daisuke IIDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yusuke KOSHIKIYA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Nazuki HONDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01H9/00, G01D5/353
Abstract: the present disclosure is a method for identifying a utility pole position including identifying a boundary region of a vibration distribution as a utility pole position, from a vibration distribution pattern obtained by measuring strain amounts with respect to distances of an optical fiber by an optical fiber vibration distribution measuring method at each time and sequentially stacking the strain amounts.
Inventor(s): Daisuke IIDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yoshitaka ENOMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Chihiro KITO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tatsuya OKAMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yusuke KOSHIKIYA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yoshifumi WAKISAKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Nazuki HONDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01H9/00
Abstract: the present disclosure is an optical line test system that detects a distribution of loss points of an optical line in a longitudinal direction, using a coherent light measurement device, applies vibration to facility disposed on a path of the optical line, detects a vibration point of the optical line in a longitudinal direction upon applying the vibration, using the coherent light measurement device, and identifies the loss point based on correspondence between the detected loss point and vibration point.
Inventor(s): Gen KOBAYASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kazuya ANDO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Masaki WAKI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Ryoichi KANEKO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroaki TANIOKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01L5/04, H02G1/02
Abstract: the present invention has an object of providing an arithmetic apparatus, a facility management method, and a program that make it possible to acquire current tension applied to outdoor structures in a short period of time and make a bearing determination. the arithmetic apparatus according to the present invention calculates the dip degree of a cable and a distance between poles from the 3d model data of the cable according to math. c1 and calculates the tension of each cable between the poles from the dip degree, the distance between the poles, and the weight of the cable per unit length according to math. c2 (when no wind blows) or math. c4 (when wind blows). further, the arithmetic apparatus according to the present invention calculates a combined load obtained by converting the tension and the load of the accessory of the poles into an arbitrary position on the poles according to math. c3.
Inventor(s): Yoshiho Maeda of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toru Miura of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroshi Fukuda of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01M11/00, G01M11/02, G01R19/00
Abstract: an optical characteristic inspection circuit includes, in order, an optical input element, an optical splitter circuit including a resistor, a first optical circuit to be inspected connected to one output of the optical splitter circuit, a second optical circuit to be inspected connected to another output of the optical splitter circuit, and a photodetector that detects an intensity of light transmitted through the first optical circuit to be inspected and an intensity of light transmitted through the second optical circuit to be inspected. therefore, the present invention can provide an optical characteristic inspection circuit capable of reducing man-hours required for optical characteristic inspection.
Inventor(s): Masahiro YASUDA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01S3/808, G10K11/175
Abstract: included are: a vector estimation unit that receives a real number spectrogram and an acoustic intensity vector as inputs and outputs a reverberation component of an acoustic intensity vector; an angle mask extraction unit that receives the acoustic intensity vector as an input and extracts an angle mask; a time-frequency mask estimation unit that receives the real number spectrogram, the acoustic intensity vector from which the reverberation component has been subtracted, and the angle mask as inputs, and outputs a time-frequency mask for noise suppression and sound source separation; a first sound source direction-of-arrival derivation unit that derives a sound source direction-of-arrival on the basis of an acoustic intensity vector obtained by applying the time-frequency mask to the acoustic intensity vector from which the reverberation component has been subtracted; a second sound source direction-of-arrival derivation unit that derives a sound source direction-of-arrival on the basis of an acoustic intensity vector obtained by applying the angle mask to the acoustic intensity vector from which the reverberation component has been subtracted; and a cost function calculation unit that calculates a cost function of a model on the basis of the derived sound source direction-of-arrival and the label, and updates a parameter of the model.
Inventor(s): Takashi Matsui of Tokyo (JP) for nippon telegraph and telephone corporation, Kazuhide Nakajima of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G02B6/02, G02B27/00
Abstract: it is an object of the present invention to provide a multicore optical fiber, a design method for the multicore optical fiber and an optical transmission method using the multicore optical fiber including four cores having a standard cladding diameter of 125�1 �m for an existing single mode optical fiber covering several thousands of kilometers of transmission. the multicore optical fiber according to the present invention disposes two-stage claddings with different refractive indices around each core, and designates as a predetermined range, a core radius a1, a radius a2 of a first cladding region surrounding each core, specific refractive index �1 relative to the core of the first cladding region and a specific refractive index �2 relative to the core of a second cladding region including four cores and the first cladding region.
Inventor(s): Naoki TAKE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yoshifumi KATO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Miwaka OTANI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kiyotaka SAITO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi KONDO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yu MIYOSHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F9/54
Abstract: an api adapter generation device include a conversion rule calculation unit () configured to acquire a data model of an orchestrator () and an api specification to be managed and perform schema matching on the basis of a data schema of the orchestrator and a data schema of the api specification to calculate a model conversion rule, a call logic unit generation unit () configured to rewrite a source code of an api call logic unit describing an api adapter execution logic on the basis of the model conversion rule, and an api adapter generation unit () configured to generate an api adapter to be managed on the basis of the api call logic unit in which the source code is rewritten.
Inventor(s): Haruhisa NOZUE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi SUZUKI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shunsuke KANAI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kazuaki AKASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Naomi MURATA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Fumika ASAI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F11/07
Abstract: a rule generation device according to an embodiment includes: a database in which, for each fault, fault factor information including a fault factor part and a fault factor, fault events that occur due to this fault, a rule id associated with a rule including a condition part and a result part are registered in association with one another; an importance degree determination unit determining, when fault events of a new fault that is a newly occurred fault are registered with the database, degrees of importance of the fault events of the new fault based on at least one of values calculated through statistical processing or analytical processing for information other than the fault events or overall information about the fault events, which are registered with the database; and a rule generation unit generating a rule for the new fault based on the degrees of importance.
Inventor(s): Haruka OSANAI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Sho KANEMARU of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kensuke TAKAHASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tsuyoshi TOYOSHIMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F11/07
Abstract: a sharing system includes an operation channel of a block chain that shares operation data including information on a construction failure of a resource used in a service provided to a customer among a plurality of nodes, a provision channel of the block chain for sharing provision data used for providing information on a predetermined construction failure for the resource to the customer among a plurality of nodes, a monitoring unit that participates in the operation channel and the provision channel and monitors for construction failures of the resource, a maintenance node including an update unit configured to update a detection state of construction failures in the provision data when detecting update of the state of the construction failure related to the provision channel to be participated, and a provision node that participates in the provision channel and includes a notification unit.
Inventor(s): Takato TODA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Nobuhiro KIMURA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kotaro MIHARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F11/14, G06F9/455
Abstract: a call control system includes a management device () which manages one or more virtual machines () operating on a virtualization platform. the virtual machine () includes a volume () in which an os, an mw, and an apl which are not updated in operation are installed, a volume () in which data which is updated in operation is arranged, and a recovery unit () which transmits an image acquisition request for the volume () to the management device (). the management device () includes a management unit () which creates the virtual machine () by arranging an image file including an os, an mw, and an apl to the volume () and arranging an image file including data which is updated while the virtual machine () is operating to the volume () and a backup unit () which backs up the volume () as an image file in response to an image acquisition request from the virtual machine (). the recovery unit () expands an initialization range step by step when a software failure occurs, restarts the software, and transmits a volume creation request to the management device () when the initialization range reaches a predetermined stage. the backup unit () creates a new volume () using the image file in response to the volume creation request. the recovery unit () replaces the volume () with a new volume () created in response to the volume creation request.
Inventor(s): Tatsuya FUKUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshihito FUJIWARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroya ONO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Ryota SHIINA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomohiko IKEDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F13/36
Abstract: an object of the present disclosure is to enable data collection from a plurality of usb devices installed at remote locations.
Inventor(s): Tatsuya FUKUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshihito FUJIWARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroya ONO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Ryota SHIINA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomohiko IKEDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F13/36
Abstract: the present disclosure is a usb transmission system including: a device-side transmitter/receiver configured to transmit/receive data to/from a usb device; and a host-side transmitter/receiver configured to transmit/receive data to/from a usb host, in which each of the device-side transmitter/receiver and the host-side transmitter/receiver includes a data transmission/reception unit configured to transmit/receive a packet of a usb protocol layer via a data network, and the host-side transmitter/receiver includes a hub configured to transfer data to be transmitted/received by the data transmission/reception unit included in the host-side transmitter/receiver to the usb host.
Inventor(s): Taizo YAMAMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takaaki MORIYA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Manabu NISHIO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yu MIYOSHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F17/18, G06F16/2457, G06F16/28
Abstract: a device includes: a data set including multiple sets in which two pieces of time-series data are respectively recorded; an analysis unit that obtains evaluation values representing a relationship between the two pieces by different analysis methods for each set; a combination extraction unit that extracts combinations of the sets having different trends in change in the evaluation values associated with the analysis methods; a grouping unit that classifies the analysis methods according to the evaluation values for each combination, and records results associated with the sets; an inquiry unit that presents the time-series data of each set to a user, and inquires which sets have similar time-series data; a scoring unit that adds a score of the analysis method belonging to the group having a better evaluation value for the set determined to be more similar; and a selection unit that repeats each process and selects an analysis method.
Inventor(s): Hirokazu KAKINUMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shota YAMADA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hidenobu NAGATA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kota HIDAKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06T7/194, G06V10/56
Abstract: a video processing device includes a foreground region estimation unit that determines whether a pixel of an input image is a foreground or a background, and a blinking correction unit that determines, for a target pixel on which a foreground and a background have been switched, whether switching between the foreground and the background is a color change in the foreground or in the background by using a lookup table capable of determining whether switching is in the foreground or in the background from a temporal change of a pixel value, and corrects a result of determination as to whether it is the foreground or the background that has been performed for the target pixel in a case where the switching between the foreground and the background is the color change in the foreground or in the background.
Inventor(s): Ken NAKAMURA of Tokyo (JP) for nippon telegraph and telephone corporation, Hiroyuki UZAWA of Tokyo (JP) for nippon telegraph and telephone corporation, Daisuke KOBAYASHI of Tokyo (JP) for nippon telegraph and telephone corporation, Saki HATTA of Tokyo (JP) for nippon telegraph and telephone corporation, Yuya OMORI of Tokyo (JP) for nippon telegraph and telephone corporation, Shuhei YOSHIDA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06T7/215, G06T7/246, G06V10/82, G06V20/40
Abstract: a calculation unit () sets each frame, of a moving image including a plurality of frames, as a target frame, calculates a motion vector with reference to a reference frame over an entirety of the target frames, and calculates an index indicating a magnitude of change between a key frame and the target frame, which is represented by using the motion vector, a judgement unit () judges whether or not the calculated index is equal to or greater than a predetermined threshold value, a first detection unit () detects a region indicating an object from the target frame by using an object detection model in a case in which the index is equal to greater than the threshold value, a second detection unit () detects a region on the target frame, which is obtained by correcting a position of a region detected in the reference frame by using the motion vector in a case in which the index is less than the threshold value, and an output unit () outputs information of the region detected by the first detection unit () and information of the region detected by the second detection unit ().
Inventor(s): Satoshi TAKAHASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tetsushi MORITA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Osamu TAKINO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G09C1/00
Abstract: to calculate pagerank with high accuracy using transaction data held by a plurality of data sources as input and keeping the transaction data of each data source secret. a data source apparatus () calculates a transaction rate for each combination of transaction entities (s). the data source apparatus () encrypts the transaction rate and transmits the encrypted transaction rate to each secure computation apparatus () (s). each secure computation apparatus () receives a ciphertext of the transaction rate from a plurality of data source apparatuses () (s). the secure computation apparatus () securely calculates a ciphertext which becomes, when decrypted, pagerank of the computational objective transaction entity by using the ciphertext of the transaction rate related to the computational objective transaction entity and the ciphertext of the pagerank of a transaction counterpart (s).
Inventor(s): Ryosuke SUGIURA of Tokyo (JP) for nippon telegraph and telephone corporation, Takehiro MORIYA of Tokyo (JP) for nippon telegraph and telephone corporation, Yutaka KAMAMOTO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G10L19/008, G10L21/043, H04S7/00
Abstract: there is provided a technology that improves, in a case where there is a sound signal obtained from a different code that is different from a code from which a decoded sound signal is obtained and that is derived from the same sound signal, the decoded sound signal by using the sound signal obtained from the different code. a signal (hereinafter, referred to as a decoded sound common signal) obtained by downmixing a decoded sound signal of each channel is subjected to signal purification using a monaural decoded sound signal to thereby generate a purified common signal, and in each channel, a signal obtained by upmixing the decoded sound common signal is subtracted from the decoded sound signal and a signal obtained by upmixing the purified common signal is added thereto, to thereby generate a purified decoded sound signal.
Inventor(s): Teruo Jo of Tokyo (JP) for nippon telegraph and telephone corporation, Munehiko Nagatani of Tokyo (JP) for nippon telegraph and telephone corporation, Hideyuki Nosaka of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H03B5/24
Abstract: a voltage-controlled oscillator includes a first unit cell, a second unit cell that is connected in parallel to the first unit cell via transmission lines, a compensation unit cell that is connected in parallel with the first unit cell and the second unit cell between the first unit cell and the second unit cell, and an input termination resistor that is connected to a power supply voltage terminal of each of the first unit cell, the second unit cell, and the compensation unit cell. symmetrical voltages are supplied to the first unit cell and the second unit cell, and the compensation unit cell compensates for a gain by the first unit cell or the second unit cell.
Inventor(s): Satoshi NARIKAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshihito FUJIWARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroya ONO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/29, H04B10/40
Abstract: an object of the present invention is to provide a communication method, a transceiver, a relay, a communication system, and a program capable of performing high-speed communication even in a case where there is an obstacle between two separated points in water.
Inventor(s): Satoshi NARIKAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshihito FUJIWARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroya ONO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/29, H04B10/40
Abstract: in this communication method, two points each confirm the other's position by using sound wave communication which is likely to be diffracted as a wave due to a relatively small frequency and a large wavelength. since the communication method uses optical wireless communication in which straightness is high but high-speed communication is possible, a path for communication while avoiding an obstacle via a relay is calculated. in the communication method, the relay is guided and moved to an appropriate place according to the calculated path, and a signal is transmitted and received by using optical wireless communication using the relay that has moved to an appropriate place.
Inventor(s): Shoko SHINOHARA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Yasuhiko INOUE of Musashino-shi (JP) for nippon telegraph and telephone corporation, Yusuke ASAI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Yasushi TAKATORI of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L1/00, H04L1/20, H04W28/04
Abstract: a wireless communication management apparatus () includes a correction unit (), an evaluation unit (), and a determination unit (). the correction unit () corrects, on the basis of a characteristic of each terminal, an error rate in wireless communication between a base station and the terminal based on wireless environment information collected from one or more terminals configured to wirelessly communicate with the base station. the evaluation unit () evaluates the corrected error rate. the determination unit () determines a modulation/demodulation scheme for each terminal on the basis of the evaluation result of the evaluation unit.
Inventor(s): Yuki TAKEI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi NAKATSUKASA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yuta WATANABE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L41/084, H04L12/46, H04L41/0806
Abstract: when a controller receives a tunnel setting order from a high-order ops (operation system), the controller divides the setting order into a first setting processing step related to setting registration of a user, a second setting processing step related to a transfer surface of the tunnel, a third setting processing step related to an interface of each transfer apparatus used for a tunnel of the transfer surface, and a fourth setting processing step related to a parameter to be set to the interface and stores the setting processing steps in a setting management db. subsequently, the controller creates a configuration for executing each setting processing step indicated in the tunnel setting order by reflecting information indicated in each divided setting processing step to a template of each setting processing step. in addition, the controller inputs the created configuration to a transfer apparatus at a setting destination of the tunnel.
Inventor(s): Erina TAKESHITA of Tokyo (JP) for nippon telegraph and telephone corporation, Tomoya KOSUGI of Tokyo (JP) for nippon telegraph and telephone corporation, Yuki YAMADA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L45/00, H04L45/02, H04L45/28
Abstract: a band calculation device () according to the present disclosure, in the band calculation device () which calculates a band of the link (l) of a relay network (nwr) which is constituted by nodes (n) and links (l) and which relays information transmitted and received between a plurality of communication bases, includes an input unit () that receives an input of topology information indicating ports (p) of nodes (n), connection destination ports of the ports (p), and links, respectively, path information indicating primary paths that relay the information when a failure does not occur, paths including backup paths that relay the information when the failure occurs in the primary path, and via transmission ports that are the ports (p) for transmitting the information in the paths, respectively, and traffic information indicating the port (p) and traffic statistic value of the port (p), respectively, and a calculation unit () that calculates a band of the link (l) on the basis of the topology information, the path information and the traffic information.
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, Yuki MIYOSHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takeaki NISHIOKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Chiharu MORIOKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi NAKATSUKASA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yuki TAKEI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L47/12
Abstract: a design apparatus optimizes, with a first granularity (for example, a real number solution), a traffic volume allocated to each of links between adjacent nodes included in a network. in addition, the design apparatus calculates an approximation solution obtained by approximating, with a second granularity (for example, an integer solution), the traffic volume having been optimized with the first granularity. furthermore, the design apparatus maps logical paths to each of routes constituted by the links in accordance with the approximated traffic volume.
Inventor(s): Yuhei HAYASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shohei KAMAMURA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi NAKATSUKASA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yuki TAKEI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Chiharu MORIOKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takeaki NISHIOKA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yuki MIYOSHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L47/125
Abstract: an extraction unit extracts predetermined information from an outer header and an inner header of a tunneled packet passing through a network device in which congestion has occurred. an evaluation unit evaluates an order in which fine grain flows in a tunnel subdivided with reference to the extracted predetermined information are subject to te, based on attribute information of the fine grain flows.
Inventor(s): Masashi MIYATA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yoko SOGABE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Fumihide KOBAYASHI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shiori SUGIMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Naru NEMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshikazu HASHIMOTO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04N23/12, H04N23/45, H04N23/55, H04N23/56, H04N23/84
Abstract: an imaging device includes an optical element including a transparent substrate and a plurality of structures disposed on or in the transparent substrate in a plane direction of the transparent substrate, an imaging sensor in which a plurality of pixels each including a photoelectric conversion element are arranged, and a signal processing unit configured to generate an image signal based on an electric signal obtained from the imaging sensor, wherein the optical element outputs light with a different point spread function for each wavelength to form, on the imaging sensor, an image in which the point spread function of each wavelength is convoluted, the plurality of structures have the same height in a side view, and the signal processing unit reconstructs an image in which the point spread function of each wavelength is convoluted.
Inventor(s): Hiroya ONO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshihito FUJIWARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tatsuya FUKUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04N23/66, H04N5/262
Abstract: an object of the present disclosure is to reduce a delay time from input of a plurality of videos to output of combined videos.
Inventor(s): Hiroya ONO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Toshihito FUJIWARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tatsuya FUKUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04N23/66, H04N5/262
Abstract: the present disclosure is a video combining device detecting a time deviation between a timing of a frame of each video and a predetermined timing when videos from a plurality of cameras are combined into one screen, giving an instruction for an imaging frame rate to the cameras such that the time deviation is reduced, and combining the videos from the plurality of cameras into one screen and outputting the combined videos.
Inventor(s): Akira MATSUSHITA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Mitsuru NISHINO of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Munehiro MATSUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Masaki SHIMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Koichi HARADA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroki SHIBAYAMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Fumihiro YAMASHITA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W24/04, H04W24/08
Abstract: a wireless communication monitoring system for monitoring a hardware failure of a wireless communication unit of a wireless communication device using a remote monitoring control device, in which the wireless communication device transmits or receives a predetermined radio signal to or from a monitoring device added or attached to the host device to perform a life and death check for checking an operation, and the remote monitoring control device detects a hardware failure of the wireless communication unit of the wireless communication device on the basis of a result of the life and death check received from the wireless communication device. this makes it possible to detect a failure that cannot be detected from information obtained from a device state request to a wireless communication device of the related art.
20240121780.COMMUNICATION SYSTEM_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Ryota SHIINA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tatsuya FUKUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi NARIKAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Katsuya MINAMI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Satoshi IKEDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Shunsuke SARUWATARI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takashi WATANABE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kazuhiko KINOSHITA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W72/20, H04B10/2575, H04B10/27, H04W88/10
Abstract: an object is to provide a communication system in which there are no restrictions on a communicable area and it is not necessary to install communication software on a wireless device. a communication system according to the present invention is configured so that the functions of a wireless access point are separated into a front-end unit on a wireless terminal side and a back-end side on the internet side, radio signal processing functions supporting a wireless scheme of the wireless terminal are deployed only on the back end, and only relatively simple processing functions such as e/o conversion are deployed on the front end near the wireless terminal
Inventor(s): Shoko SHINOHARA of Yokosuka-shi (JP) for nippon telegraph and telephone corporation, Yasuhiko INOUE of Yokosuka-shi (JP) for nippon telegraph and telephone corporation, Akira KISHIDA of Yokosuka-shi (JP) for nippon telegraph and telephone corporation, Riichi KUDO of Yokosuka-shi (JP) for nippon telegraph and telephone corporation, Masato MIZOGUCHI of Yokosuka-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04W74/08, H04B7/0452, H04W28/02
Abstract: a predetermined sta includes a station information collection unit collecting from the sta itself and other stas station information used for selection of stas performing simultaneous transmission and for control of the simultaneous transmission, and a simultaneous-transmission request unit knowing occurrence of a qos data frame based on the station information and transmitting a request frame requesting the simultaneous transmission to an ap. the ap includes a station information collection unit; a simultaneous-transmission determination unit selecting a combination of the stas performing the simultaneous transmission based on the station information by reception of the request frame; and a trigger transmission unit transmitting to each of the stas performing the simultaneous transmission a trigger frame instructing to performs the simultaneous transmission and including information necessary for controlling the simultaneous transmission. each of the stas designated by the trigger frame is configured to simultaneously transmit the wireless frames to the ap.
20240121886.WIRING BOARD_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Miwa Muto of Tokyo (JP) for nippon telegraph and telephone corporation, Hideaki Matsuzaki of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H05K1/02, H01P3/00, H01P3/08
Abstract: a wiring board includes a dielectric substrate, a ground layer disposed on one surface of the dielectric substrate, a first conductor line and a first ground plane that are disposed apart from each other on the other surface opposing the one surface of the dielectric substrate, and a second conductor line disposed immediately below the first ground plane in the dielectric substrate.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on April 11th, 2024
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- B64U30/299
- Nippon telegraph and telephone corporation
- C23F13/20
- C23F13/12
- H02S20/10
- H02S40/30
- G01H9/00
- G01D5/353
- G01L5/04
- H02G1/02
- G01M11/00
- G01M11/02
- G01R19/00
- G01S3/808
- G10K11/175
- G02B6/02
- G02B27/00
- G06F9/54
- G06F11/07
- G06F11/14
- G06F9/455
- G06F13/36
- G06F17/18
- G06F16/2457
- G06F16/28
- G06T7/194
- G06V10/56
- G06T7/215
- G06T7/246
- G06V10/82
- G06V20/40
- G09C1/00
- G10L19/008
- G10L21/043
- H04S7/00
- H03B5/24
- H04B10/29
- H04B10/40
- H04L1/00
- H04L1/20
- H04W28/04
- H04L41/084
- H04L12/46
- H04L41/0806
- H04L45/00
- H04L45/02
- H04L45/28
- H04L47/12
- H04L47/125
- H04N23/12
- H04N23/45
- H04N23/55
- H04N23/56
- H04N23/84
- H04N23/66
- H04N5/262
- H04W24/04
- H04W24/08
- H04W72/20
- H04B10/2575
- H04B10/27
- H04W88/10
- H04W74/08
- H04B7/0452
- H04W28/02
- H05K1/02
- H01P3/00
- H01P3/08
