NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on December 19th, 2024
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION on December 19th, 2024
NIPPON TELEGRAPH AND TELEPHONE CORPORATION: 17 patent applications
NIPPON TELEGRAPH AND TELEPHONE CORPORATION has applied for patents in the areas of H04Q11/00 (3), G06F9/455 (2), E21B47/001 (1), H01L23/14 (1), H04L12/46 (1) H04Q11/0005 (2), G06F9/45558 (2), E21B47/001 (1), G01M11/3109 (1), G06F3/016 (1)
With keywords such as: optical, unit, signal, device, configured, transmission, wavelength, time, target, and data in patent application abstracts.
Patent Applications by NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor(s): Nobutomo HANZAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Kazuhide NAKAJIMA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takashi MATSUI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hideaki MURAYAMA of Tokyo (JP) for nippon telegraph and telephone corporation, Ryota WADA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): E21B47/001, G01M5/00
CPC Code(s): E21B47/001
Abstract: the present disclosure is a control system configured to: collect a strain distribution of an underwater structure connected to an above-water structure; and control at least one of the underwater structure and the above-water structure in accordance with the strain distribution.
Inventor(s): Atsushi NAKAMURA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomokazu ODA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yusuke KOSHIKIYA of Musashino-shi,Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G01M11/00
CPC Code(s): G01M11/3109
Abstract: in order to achieve the above object, the present invention individually inputs light pulses to a first core and a second core at one end of a non-coupled multicore fiber having a connection portion, and individually acquires otdr waveforms regarding the first core and the second core, calculates ratios between backscattering intensity regarding the first core and backscattering intensity regarding the second core, at at least two points including one point on one end side with respect to the connection portion and one point on another end side with respect to the connection portion, based on the acquired otdr waveforms, and calculates a ratio between the calculated ratio on the one end side and the calculated ratio on the another end side.
Inventor(s): Toshiki Wada of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F3/01, G06F3/041, G06F3/04812
CPC Code(s): G06F3/016
Abstract: an embodiment is a tactile sense presentation device including a storage device configured to store image data indicating an object, a screen display circuit configured to display the object on a screen on a basis of the image data, a tactile sense presentation circuit configured to present a tactile sense corresponding to hardness of the object to a person, a pressing force detection circuit configured to detect a pressing force generated when a person touches the tactile sense presentation circuit, and a control circuit configured to change the tactile sense to be presented by the tactile sense presentation circuit on a basis of the hardness of the object and the pressing force detected by the pressing force detection circuit.
Inventor(s): Wakana OSHIRO of Tokyo (JP) for nippon telegraph and telephone corporation, Motohiro MAKIGUCHI of Tokyo (JP) for nippon telegraph and telephone corporation, Ryuji YAMAMOTO of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F3/0346, G01P3/00, G01P15/18
CPC Code(s): G06F3/0346
Abstract: this invention can acquire a difference in motion of a motion acquisition target object without detecting the difference from the outside of the motion acquisition target object. a motion acquisition device includes two acceleration sensors, one angular velocity sensor, an information acquisition unit, and a motion analysis unit. the two acceleration sensors and the one angular velocity sensor are arranged in the motion acquisition target object rotated around a rotation axis. the information acquisition unit acquires acceleration information detected by the two acceleration sensors and angular velocity information detected by the one angular velocity sensor. based on the acceleration information and the angular velocity information acquired by the information acquisition unit, the motion analysis unit estimates a distance from the motion acquisition target object to the rotation axis and an attitude angle of the motion acquisition target object.
Inventor(s): Kenji Tanaka of Tokyo (JP) for nippon telegraph and telephone corporation, Yuki Arikawa of Tokyo (JP) for nippon telegraph and telephone corporation, Tsuyoshi Ito of Tokyo (JP) for nippon telegraph and telephone corporation, Naoki Miura of Tokyo (JP) for nippon telegraph and telephone corporation, Takeshi Sakamoto of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F7/57, G06N3/0464
CPC Code(s): G06F7/57
Abstract: an embodiment is a deep learning inference system including a memory and processors configured to read operation code and parameters from a global memory space of the memory and perform an arithmetic operation of a neural network. the processors are further configured to read processing target data from local memory spaces corresponding to target clients, perform arithmetic operations, and store arithmetic operation results in the local memory spaces corresponding to the target clients.
Inventor(s): Ryota NAKAMURA of Tokyo (JP) for nippon telegraph and telephone corporation, Shigeaki HARADA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F9/455
CPC Code(s): G06F9/45558
Abstract: a virtual machine allocation apparatus configured to perform allocation of virtual machines to a plurality of bases to which supply of electric power is performed by renewable energy power generation, includes: a prediction unit configured to acquire, for each base, a predicted value of an amount of power generation of renewable energy power generation and a predicted value of power consumption; and an allocation unit configured to repeatedly execute processing of selecting a base and a time period in which surplus power of the renewable energy power generation is maximized within a predetermined time length divided into a plurality of time periods at the plurality of bases, allocating a virtual machine selected from a control target virtual machine group including one or more movable virtual machines to the selected base and time period, and excluding the allocated virtual machine from the control target virtual machine group.
Inventor(s): Ryo SATO of Tokyo (JP) for nippon telegraph and telephone corporation, Tomonari FUJIMOTO of Tokyo (JP) for nippon telegraph and telephone corporation, Motomu NAKAJIMA of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F9/455, G06F1/28
CPC Code(s): G06F9/45558
Abstract: an impact cost calculation apparatus for calculating an impact cost in a case in which a virtual machine is migrated within a base or between the bases at a plurality of bases including the virtual machines includes a state confirmation unit configured to acquire either a login state or a process state, or both the login state and the process state, in each virtual machine provided at the base; and a degree-of-impact determination unit configured to calculate, for each virtual machine, an impact cost for a user caused by migration of the virtual machine, on the basis of either the login state or the process state or both the login state and the process state.
Inventor(s): Yoichi MATSUO of Tokyo (JP) for nippon telegraph and telephone corporation, Kengo TAJIRI of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): G06F11/14
CPC Code(s): G06F11/1476
Abstract: a learning apparatus according to an embodiment includes: an input unit that inputs a set of normal data of a first system serving as a target domain and a set of normal data of a second system serving as a source domain; and a learning unit that learns a model including a first encoder having data of the target domain as an input, a second encoder having data of the source domain as an input, a discriminator having output data of either the first encoder or the second encoder as an input to discriminate whether the output data is data indicating a feature of either the target domain or the source domain, and a deepsvdd having the output data as an input, by using the set of normal data of the first system and the set of normal data of the second system.
20240421107. MOUNTING STRUCTURE_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Hiromasa Tanobe of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01L23/66, H01L23/047, H01L23/14
CPC Code(s): H01L23/66
Abstract: an embodiment is a mounting structure including a high-frequency package and a mounting substrate on which the high-frequency package is mounted. in an area of a portion where a first signal lead pin and a second signal lead pin are in contact with the package housing on the bottom surface side, a recess is provided in the package housing. the recess toward the inside of the package housing up to a portion before the connection portion between the signal lead pins and the package conductor layer in the arrangement region of the signal lead pins on the side face of the package housing on the tip side of the signal lead pins.
20240421478. BEAMFORMER_simplified_abstract_(nippon telegraph and telephone corporation)
Inventor(s): Adam Pander of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H01Q3/36, H01Q15/00
CPC Code(s): H01Q3/36
Abstract: a beamformer of this invention is a beamformer configured to perform beamforming of an input electromagnetic wave and output an output electromagnetic wave, which includes a cell made of a metamaterial, and a filling material configured to fill a periphery of the cell. the metamaterial is made of a conductive organic material or a nanocarbon material. the filling material is made of a nonconductive organic material. the cell has an inductance and a capacitance. a phase of the input electromagnetic wave is changed by a change of at least one of the inductance and the capacitance.
Inventor(s): Takeshi IMAI of Musashino-shi (JP) for nippon telegraph and telephone corporation, Naotaka SHIBATA of Musashino-shi (JP) for nippon telegraph and telephone corporation, Shin KANEKO of Musashino-shi (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/112, H04B10/50
CPC Code(s): H04B10/112
Abstract: an aspect of the present invention is a mobile including an optical transmitter that transmits an optical signal by irradiating a light receiver of a reception device with a beam, an instruction receiver that receives a movement instruction to move the mobile to a designated position, a position acquirer that acquires a current position of the mobile, a direction acquirer that acquires a moving direction from the current position to the designated position, and a beam controller that performs change control of changing an irradiation direction of a beam according to the moving direction within a range in which the beam is emitted to the light receiver before the mobile starts to move toward the designated position.
Inventor(s): Toshiaki SHITABA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Tomoaki YOSHIDA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Yoichi FUKADA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Akihiro TANABE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Ryo MIYATAKE of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04B10/516, H04J14/02
CPC Code(s): H04B10/5161
Abstract: an optical transmission apparatus includes: a distributing unit which distributes a laser beam based on a first oscillation frequency; a phase modulator which generates, using the laser beam based on the first oscillation frequency, a phase-modulated signal that is an optical signal phase-modulated in accordance with a modulated signal; a multiplexing unit which multiplexes a laser beam based on a second oscillation frequency and the phase-modulated signal; a detecting unit which generates a frequency-modulated signal by performing detection processing on a result of multiplexing of the laser beam based on the second oscillation frequency and the phase-modulated signal; and an intensity modulator which generates, using the laser beam based on the first oscillation frequency, an optical signal intensity-modulated in accordance with the frequency-modulated signal.
Inventor(s): Keisuke YAMAGATA of Tokyo (JP) for nippon telegraph and telephone corporation, Shinichi YOSHIHARA of Tokyo (JP) for nippon telegraph and telephone corporation, Go YAZAWA of Tokyo (JP) for nippon telegraph and telephone corporation, Takashi NAKANISHI of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04J3/06, G04R20/02
CPC Code(s): H04J3/0641
Abstract: a boundary clock () as a time synchronization device according to the present disclosure includes: an offset calculation unit () that calculates an offset that is a difference between device internal time of a higher-level device and device internal time of an own device; a transmission delay time calculation unit () that calculates a transmission delay time of a packet transmitted and received between the higher-level device and the own device; and a determination unit () that determines an occurrence location of a failure in time synchronization with the higher-level device on the basis of the offset and the transmission delay time, and stops synchronization of device internal time of a lower-level device with the device internal time of the own device in a case where it is determined that the occurrence location of the failure is the higher-level device.
Inventor(s): Osamu Moriwaki of Tokyo (JP) for nippon telegraph and telephone corporation, Shunichi Soma of Tokyo (JP) for nippon telegraph and telephone corporation, Keita Yamaguchi of Tokyo (JP) for nippon telegraph and telephone corporation, Kenya Suzuki of Tokyo (JP) for nippon telegraph and telephone corporation, Seiki Kuwabara of Tokyo (JP) for nippon telegraph and telephone corporation, Tetsuro Inui of Tokyo (JP) for nippon telegraph and telephone corporation, Shuto Yamamoto of Tokyo (JP) for nippon telegraph and telephone corporation, Seiji Okamoto of Tokyo (JP) for nippon telegraph and telephone corporation, Hideki Nishizawa of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L45/60, H04Q11/00
CPC Code(s): H04L45/60
Abstract: a high-performance optical and electronic integrated switch capable of effectively extending the transmission distance includes a network processor that controls the functions of the packet switch, a plurality of optical transceivers provided near the processor and having a photoelectric conversion function, and an optical relay switch. a plurality of optical waveguides are connected to the input and output sides of the optical relay switch. each optical transceiver has a regeneration function that performs optical-electrical conversion on inputted optical signals, then turns back the converted signals, and performs signal conversion on them, and its input side is connected with a routing optical waveguide included in the optical waveguides on the output side of the switch and its output side is connected with a routing optical waveguide included in the optical waveguides on the input side of the switch. the optical waveguides include ones for connecting to an external communication counterpart.
Inventor(s): Hisashi KOJIMA of Tokyo (JP) for nippon telegraph and telephone corporation, Takafumi HAMANO of Tokyo (JP) for nippon telegraph and telephone corporation, Shingo OKADA of Tokyo (JP) for nippon telegraph and telephone corporation, Yukihiro TOGARI of Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04L45/745, H04L12/46
CPC Code(s): H04L45/745
Abstract: a communication device that accommodates a computer connecting to a lan in a core network improves economical efficiency at the time of consolidating an overlay network for each area by including: a determination unit that is configured to determine an area to which a transmission source of a first packet belongs on the basis of a destination of a second packet once the second packet is received, the first packet being designated to the computer from any one of a plurality of areas, the second packet being obtained by encapsulating the first packet with a destination of any one of a plurality of ip addresses allocated to the communication device for the respective areas; a first transmission unit that is configured to transmit the second packet to the computer on the basis of the destination of the second packet; and a second transmission unit that is configured to encapsulate a response from the computer in a third packet with a destination of an ip address of a representative router of the area determined by the determination unit and transmit the third packet.
Inventor(s): Masahiro NAKAGAWA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Hiroki KAWAHARA of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation, Takeshi SEKI of Musashino-shi, Tokyo (JP) for nippon telegraph and telephone corporation
IPC Code(s): H04Q11/00
CPC Code(s): H04Q11/0005
Abstract: a wavelength cross connect device includes: a wavelength band switching unit configured to receive wavelength multiplexed signal beams each having been transmitted in multiple bands in optical transmission lines each including one or more optical fibers, the wavelength multiplexed signal beams each including multiplexed optical signals of distinct wavelength bands, perform wavelength band conversion on each of the wavelength multiplexed signal beams so as to convert the wavelength bands of the optical signals multiplexed in the wavelength multiplexed signal beam, and output the converted wavelength multiplexed signal beams; and a wxc unit including input-side wsses that respectively split and output the wavelength multiplexed signal beams output from the wavelength band switching unit, and output-side wsses mesh-connected to the input-side wsses. the wxc unit inputs the split wavelength multiplexed signal beams to the output-side wsses while performing rerouting and outputs the rerouted wavelength multiplexed signal beams to output transmission lines.
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
IPC Code(s): H04Q11/00, H04B10/27
CPC Code(s): H04Q11/0005
Abstract: an optical communication device includes: a first 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; a second 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 transfer an optical signal transmitted from a first device connected to the first optical switch to a specific second device connected to the second optical switch.
NIPPON TELEGRAPH AND TELEPHONE CORPORATION patent applications on December 19th, 2024
- NIPPON TELEGRAPH AND TELEPHONE CORPORATION
- E21B47/001
- G01M5/00
- CPC E21B47/001
- Nippon telegraph and telephone corporation
- G01M11/00
- CPC G01M11/3109
- G06F3/01
- G06F3/041
- G06F3/04812
- CPC G06F3/016
- G06F3/0346
- G01P3/00
- G01P15/18
- CPC G06F3/0346
- G06F7/57
- G06N3/0464
- CPC G06F7/57
- G06F9/455
- CPC G06F9/45558
- G06F1/28
- G06F11/14
- CPC G06F11/1476
- H01L23/66
- H01L23/047
- H01L23/14
- CPC H01L23/66
- H01Q3/36
- H01Q15/00
- CPC H01Q3/36
- H04B10/112
- H04B10/50
- CPC H04B10/112
- H04B10/516
- H04J14/02
- CPC H04B10/5161
- H04J3/06
- G04R20/02
- CPC H04J3/0641
- H04L45/60
- H04Q11/00
- CPC H04L45/60
- H04L45/745
- H04L12/46
- CPC H04L45/745
- CPC H04Q11/0005
- H04B10/27
