Patents by Inventor Hisashi Kawai
Hisashi Kawai has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240114146Abstract: An information processing device (20) includes an optimization processing unit (25) that optimizes, on a basis of an evaluation result acquired by evaluation of image quality of when image information for streaming distribution is decoded into a reproducible state on a reception side, a parameter of when the image information is generated.Type: ApplicationFiled: January 12, 2022Publication date: April 4, 2024Inventors: TAKURO KAWAI, HISASHI KOBIKI
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Publication number: 20240062742Abstract: Provided is a signal generation processing device that achieves audio synthesis processing or image signal generation processing capable of obtaining high-quality audio signals or image signals while maintaining the speed of audio synthesis processing or image signal generation processing. In the signal generation processing device, the first sub-model unit to the N-th sub-model unit each performs training processing for training models included in the first sub-model unit to the Nth sub-model unit using noise levels included in different noise level ranges to obtain trained models. In other words, the signal generation processing device performs processing for each sub-model unit in parallel, thus allowing for performing the training processing at high speed.Type: ApplicationFiled: December 17, 2021Publication date: February 22, 2024Inventors: Takuma OKAMOTO, Tomoki TODA, Yoshinori SHIGA, Hisashi KAWAI
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Publication number: 20220189457Abstract: A language identifying device includes: a neural network responsive to an input of a speech signal, for outputting a score for each of a plurality of languages indicating that the speech represented by the speech signal is the speech of the corresponding language; a selecting device for selecting, among the scores output by the neural network, scores of a smaller number of languages; a normalizing device for normalizing the scores selected by the selecting device; a determining device for determining whether the maximum of the normalized scores normalized by the normalizing device is equal to or higher than a threshold; and a language deciding device, responsive to a positive determination by the determining device, for selectively performing a process of deciding the language corresponding to the maximum of the scores as the language of the speech represented by the speech signal, or a process of discarding outputs of the score selecting device.Type: ApplicationFiled: March 12, 2020Publication date: June 16, 2022Inventors: Peng SHEN, Komei SUGIURA, Hisashi KAWAI
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Patent number: 10796098Abstract: A new technology of prediction of manipulability in response even to an instruction with missing information in an object manipulation task to have a robot manipulate some kind of object is provided. An instruction understanding system includes an obtaining engine configured to obtain a linguistic expression of a name of an object to be manipulated and a linguistic expression of a situation where the object corresponding to the name is placed in a real environment and a classifier configured to receive input of the linguistic expression of the name and the linguistic expression of the situation and output manipulability of the object corresponding to the name in the real environment.Type: GrantFiled: September 6, 2018Date of Patent: October 6, 2020Assignee: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGYInventors: Komei Sugiura, Hisashi Kawai
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Publication number: 20190079924Abstract: A new technology of prediction of manipulability in response even to an instruction with missing information in an object manipulation task to have a robot manipulate some kind of object is provided. An instruction understanding system includes an obtaining engine configured to obtain a linguistic expression of a name of an object to be manipulated and a linguistic expression of a situation where the object corresponding to the name is placed in a real environment and a classifier configured to receive input of the linguistic expression of the name and the linguistic expression of the situation and output manipulability of the object corresponding to the name in the real environment.Type: ApplicationFiled: September 6, 2018Publication date: March 14, 2019Applicant: NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGYInventors: Komei SUGIURA, Hisashi KAWAI
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Publication number: 20190066657Abstract: Provided is an audio data processing system that performs processing at high speed and obtains high-quality audio data in audio data processing using a raw audio generative model. An audio data learning apparatus of the audio data learning processing system divides full band waveform data into subband signals and performs model-learning (optimization) using the divided subband signal by a subband learning model unit. In an audio data inference apparatus, a subband learned model unit receiving at least one of an auxiliary input and subband signals performs inference processing in parallel, and a subband synthesis unit synthesizes subband signals after processing. This allows the audio data processing system to perform audio data processing using the raw audio generative at high speed.Type: ApplicationFiled: August 30, 2018Publication date: February 28, 2019Inventors: Takuma OKAMOTO, Kentaro TACHIBANA, Tomoki TODA, Yoshinori SHIGA, Hisashi KAWAI
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Publication number: 20140046699Abstract: According to one embodiment, a medical information system includes a first storage unit, an extraction unit, a specifying unit, and a second storage unit. The first storage unit stores clinical statuses and character strings expressing the clinical statuses in association with each other. The extraction unit extracts a character string stored in the first storage unit from examination information concerning a target examination. The specifying unit specifies the clinical status associated with the extracted character string on the first storage unit. The second storage unit stores the examination identifier of the target examination and the specified clinical status in association with each other.Type: ApplicationFiled: October 14, 2013Publication date: February 13, 2014Applicants: Toshiba Medical Systems Corporation, KABUSHIKI KAISHA TOSHIBAInventors: Hiroshi FUKATSU, Hisashi Kawai, Hikaru Futami, Kenichi Niwa, Hiroki Saito
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Patent number: 8079445Abstract: A transmission has a rotating shaft, a coupling sleeve fixedly coupled to the rotating shaft to rotate with the rotating shaft and a variable speed gear mounted on the rotating shaft. The variable speed gear is configured to rotate on the rotating shaft when a clutch gear that is embedded in a side surface of the variable speed gear is disengaged from the coupling sleeve and to be fixed to the rotating shaft when the clutch gear is engaged from the coupling sleeve. The coupling sleeve is moved in the axial direction between the engaged and disengaged states by a shifting fork F3. A lubricant supplying structure directs lubricant to the clutch gear by diverting the lubricant against a side surface of the shifting fork that faces the clutch gear and a side surface of the coupling sleeve that faces the clutch gear.Type: GrantFiled: January 16, 2007Date of Patent: December 20, 2011Assignee: Aichi Machine Industry Co., Ltd.Inventors: Hideki Aoyama, Yasuhiro Sawaki, Hisashi Kawai
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Patent number: 7680095Abstract: Delay time in a signal transmitted between nodes in daisy chain connection is accurately compensated. A TRX amplifier measures phase difference between a UL frame received from a downstream chain, and a UL frame to be sent out to an upstream chain, and reports the phase difference to a base transceiver station. The base transceiver station calculates advance amount to be set to a downstream TRX amplifier based on the reported phase difference. The TRX amplifier adjusts phase difference between a DL frame received from an upstream chain, and the UL frame to be sent out to the upstream chain depending on the advance amount.Type: GrantFiled: May 30, 2007Date of Patent: March 16, 2010Assignee: Hitachi Kokusai Electric Inc.Inventor: Hisashi Kawai
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Patent number: 7489907Abstract: A transmitter for averagedly suppressing the variation in input level of an amplifier according to variation in carrier level. The transmitter includes an input power calculation section for calculating mean input power of each carrier, an output power calculating section for calculating mean output power of each carrier after the carrier band is limited, a monitoring section for identifying a carrier having the maximum mean input power, acquiring the maximum value, acquiring the mean output power of the identified carrier, determining the ratio of the mean input power to the mean output power, and calculating level control information which is the ratio of the ratio determined above to a predetermined expected value, and a signal level adjusting section for adjusting the level of a multicarrier signal by multiplying the level control information outputted from the monitoring section.Type: GrantFiled: October 20, 2003Date of Patent: February 10, 2009Assignee: Hitachi Kokusai Electric Inc.Inventors: Norio Hasegawa, Tetsuhiko Miyatani, Hisashi Kawai, Masami Yoshida, Jun Watanabe
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Patent number: 7419270Abstract: At least one exemplary embodiment is directed to a projection-type image display apparatus in which a wrong operation caused by noise occurring during lighting a light source lamp is reduced by prohibiting a read and/or write operation for at least a part of a period up to lighting the light source lamp.Type: GrantFiled: November 4, 2005Date of Patent: September 2, 2008Assignee: Canon Kabushiki KaishaInventor: Hisashi Kawai
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Publication number: 20070281643Abstract: Delay time in a signal transmitted between nodes in daisy chain connection is accurately compensated. A TRX amplifier measures phase difference between a UL frame received from a downstream chain, and a UL frame to be sent out to an upstream chain, and reports the phase difference to a base transceiver station. The base transceiver station calculates advance amount to be set to a downstream TRX amplifier based on the reported phase difference. The TRX amplifier adjusts phase difference between a DL frame received from an upstream chain, and the UL frame to be sent out to the upstream chain depending on the advance amount.Type: ApplicationFiled: May 30, 2007Publication date: December 6, 2007Applicant: HITACHI KOKUSAI ELECTRIC INC.Inventor: Hisashi Kawai
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Publication number: 20070175728Abstract: A transmission has a rotating shaft, a coupling sleeve fixedly coupled to the rotating shaft to rotate with the rotating shaft and a variable speed gear mounted on the rotating shaft. The variable speed gear is configured to rotate on the rotating shaft when a clutch gear that is embedded in a side surface of the variable speed gear is disengaged from the coupling sleeve and to be fixed to the rotating shaft when the clutch gear is engaged from the coupling sleeve. The coupling sleeve is moved in the axial direction between the engaged and disengaged states by a shifting fork F3. A lubricant supplying structure directs lubricant to the clutch gear by diverting the lubricant against a side surface of the shifting fork that faces the clutch gear and a side surface of the coupling sleeve that faces the clutch gear.Type: ApplicationFiled: January 16, 2007Publication date: August 2, 2007Applicant: Aichi Machine Industry Co., Ltd.Inventors: Hideki AOYAMA, Yasuhiro Sawaki, Hisashi Kawai
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Patent number: 7173628Abstract: An image input apparatus is provided for picking up an image of an object placed on an original support with a camera and displaying the object image on a display device; the apparatus has a memory capable of storing a plurality of images picked up with the camera and a controller for controlling display of an image group containing a predetermined number of images stored in the memory.Type: GrantFiled: May 30, 2000Date of Patent: February 6, 2007Assignee: Canon Kabushiki KaishaInventor: Hisashi Kawai
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Patent number: 7110441Abstract: The present invention provides a spreading code generation circuit and demodulation circuit capable of maintaining reception characteristic of a receiver in a preferable condition, and a grand phase control in a short time, and eliminating necessity of monitoring the phase control amount. According to a plurality of types of control signals output according to change of synchronization timing of the reception base band signal, a spreading code generation circuit performs phase control on sample time or symbol time or slot time basis for generating a spreading code.Type: GrantFiled: May 21, 2002Date of Patent: September 19, 2006Assignee: Hitachi Kokusai Electric Inc.Inventor: Hisashi Kawai
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Publication number: 20060189282Abstract: A transmitter for averagedly suppressing the variation in input level of an amplifier according to variation in carrier level. The transmitter comprises an input power calculation section (16) for calculating mean input power of each carrier, an output power calculating section (17) for calculating mean output power of each carrier after the carrier band is limited, a monitoring section (18) for identifying a carrier having the maximum mean input power, acquiring the maximum value, acquiring the mean output power of the identified carrier, determining the ratio of the mean input power to the mean output power, and calculating level control information which is the ratio of the ratio determined above to a predetermined expected value, and a signal level adjusting section (15) for adjusting the level of a multicarrier signal by multiplying the level control information outputted from the monitoring section (18).Type: ApplicationFiled: October 20, 2003Publication date: August 24, 2006Inventors: Norio Hasegawa, Tetsuhiko Miyatani, Hisashi Kawai, Masami Yoshida, Jun Watanabe
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Publication number: 20060109387Abstract: At least one exemplary embodiment is directed to a projection-type image display apparatus in which a wrong operation caused by noise occurring during lighting a light source lamp is reduced by prohibiting a read and/or write operation for at least a part of a period up to lighting the light source lamp.Type: ApplicationFiled: November 4, 2005Publication date: May 25, 2006Applicant: Canon Kabushiki KaishaInventor: Hisashi Kawai
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Patent number: 7020181Abstract: The present invention provides a code division multiple access receiver which can maintain the accuracy of the result of demodulation of a received signal at a good level without increasing the scale of circuits and the amount of computation. In the code division multiple access receiver, a control section 14 outputs amplitude-adjusting signals corresponding to the reception level of a received base band signal to an amplitude-adjusting section 20, and the amplitude-adjusting section 20 performs bit operation processes for removing invalid bit data from the complex correlation results of the received base band signal based on the amplitude-adjusting signals.Type: GrantFiled: October 31, 2001Date of Patent: March 28, 2006Assignee: Hitachi Kokusai Electric Inc.Inventor: Hisashi Kawai
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Publication number: 20050122407Abstract: An image-taking apparatus is provided with an image-pickup device, a control circuit and a detection circuit. The image-pickup device includes a plurality of pixels and the control circuit controls the driving of the image-pickup device. The detection circuit detects the movement of an object in an image-taking area based on an image signal generated using the image-pickup device. The control circuit controls the driving of the image-pickup device so as to take an image with a first number of pixels when the detection circuit does not detect any movement of the object and take an image with a second number of pixels which is larger than the first number of pixels when some movement of the object is detected.Type: ApplicationFiled: December 3, 2004Publication date: June 9, 2005Applicant: Canon Kabushiki KaishaInventor: Hisashi Kawai
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Patent number: 6760360Abstract: A received signal averaging apparatus which includes an average operating section which averages input signals and outputs a filtered data, a data encoding section which encodes data lower than a threshold level and generates an encoded data, and an encoded data storing section which stores therein the encoded data outputted from the data encoding section, and the received signal averaging apparatus further includes a filtered data storing section for storing therein the filtered data and a data decoding section for decoding the encoded data stored in the encoded data storing section and outputs the data to the filtered data storing section.Type: GrantFiled: November 30, 1999Date of Patent: July 6, 2004Assignee: Kokusai Electric Co., Ltd.Inventor: Hisashi Kawai