Patents by Inventor Tamotsu Ito
Tamotsu Ito 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: 20230418376Abstract: With respect to a video display apparatus, a technology capable of improving the operability and usability for a user in relation to a generated image such as AR (Augmented Reality) is provided. An HMD as a video display apparatus displays an AR image on a display screen, configures an ID image including identification information (ID) for supporting an operation of a user to the AR image, detects a sight line direction of the user to set a sight line region, and displays the ID image so as to be associated with the AR image when the AR image falls within a range of the sight line region. The HMD receives an operation to select the ID image from the user, selects the AR image associated with the ID image when receiving the operation to select the ID image, and executes a predetermined process associated with the AR image.Type: ApplicationFiled: September 13, 2023Publication date: December 28, 2023Inventors: Mayumi NAKADE, Yasunobu HASHIMOTO, Tamotsu ITO, Kazuhiko YOSHIZAWA
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Publication number: 20230386104Abstract: An information display device comprises a communication device connected to a communication network; a display; and a processor connected to each of the communication device and the display. The processor is configured to: calculate an information fake level indicating a level of credibility of display information received by the communication device via the communication network and displayed on the display based on a characteristic relating to the credibility on the display information; calculate a user-specific fake level coefficient indicating a level in which a user who operates the information display device is able to judge accuracy of the credibility of the display information based on an index representing how the user tends to judge the credibility; correct the information fake level using the user-specific fake level coefficient to calculate a user-specific fake level; and display the user-specific fake level on the display.Type: ApplicationFiled: October 23, 2020Publication date: November 30, 2023Inventors: Koji KANIWA, Tamotsu ITO
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Patent number: 11803240Abstract: With respect to a video display apparatus, a technology capable of improving the operability and usability for a user in relation to a generated image such as AR (Augmented Reality) is provided. An HMD as a video display apparatus displays an AR image on a display screen, configures an ID image including identification information (ID) for supporting an operation of a user to the AR image, detects a sight line direction of the user to set a sight line region, and displays the ID image so as to be associated with the AR image when the AR image falls within a range of the sight line region. The HMD receives an operation to select the ID image from the user, selects the AR image associated with the ID image when receiving the operation to select the ID image, and executes a predetermined process associated with the AR image.Type: GrantFiled: September 14, 2022Date of Patent: October 31, 2023Assignee: MAXELL, LTD.Inventors: Mayumi Nakade, Yasunobu Hashimoto, Tamotsu Ito, Kazuhiko Yoshizawa
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Publication number: 20230245456Abstract: An information processing terminal including a communication device, which transmits a control command to a controlled device via the communication device to remotely control the controlled device, comprises: a virtual remote control generator configured to identify the controlled device and a desired control operation that is a control operation desired to be performed from a surrounding image which is an image around the information processing terminal, and generate an acceptance object for accepting an operation instruction to the desired control operation from a user; an operation acceptance section configured to accept the operation instruction from the user via the acceptance object; and a command transmitter configured to transmit the control command corresponding to the operation instruction accepted by the operation acceptance section to the controlled device.Type: ApplicationFiled: July 8, 2020Publication date: August 3, 2023Inventors: Mayumi NAKADE, Tamotsu ITO
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Publication number: 20230044852Abstract: An information processing system comprising a portable information device, a relay apparatus that connects the portable information device to a network, and a server. The server includes a library in which, for each relay apparatus, an area where the relay apparatus is present is registered in association with relay apparatus identification information. The portable information device obtains connection authentication from the relay apparatus installed in an area where the own device is present, and when the authentication is successful, the relay apparatus that provides the authentication transmits the relay apparatus identification information to the server.Type: ApplicationFiled: December 25, 2019Publication date: February 9, 2023Applicant: Maxell, Ltd.Inventors: Hitoshi AKIYAMA, Tamotsu ITO
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Publication number: 20230019625Abstract: With respect to a video display apparatus, a technology capable of improving the operability and usability for a user in relation to a generated image such as AR (Augmented Reality) is provided. An HMD as a video display apparatus displays an AR image on a display screen, configures an ID image including identification information (ID) for supporting an operation of a user to the AR image, detects a sight line direction of the user to set a sight line region, and displays the ID image so as to be associated with the AR image when the AR image falls within a range of the sight line region. The HMD receives an operation to select the ID image from the user, selects the AR image associated with the ID image when receiving the operation to select the ID image, and executes a predetermined process associated with the AR image.Type: ApplicationFiled: September 14, 2022Publication date: January 19, 2023Inventors: Mayumi NAKADE, Yasunobu HASHIMOTO, Tamotsu ITO, Kazuhiko YOSHIZAWA
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Patent number: 11487359Abstract: With respect to a video display apparatus, a technology capable of improving the operability and usability for a user in relation to a generated image such as AR (Augmented Reality) is provided. An HMD as a video display apparatus displays an AR image on a display screen, configures an ID image including identification information (ID) for supporting an operation of a user to the AR image, detects a sight line direction of the user to set a sight line region, and displays the ID image so as to be associated with the AR image when the AR image falls within a range of the sight line region. The HMD receives an operation to select the ID image from the user, selects the AR image associated with the ID image when receiving the operation to select the ID image, and executes a predetermined process associated with the AR image.Type: GrantFiled: November 29, 2018Date of Patent: November 1, 2022Assignee: MAXELL, LTD.Inventors: Mayumi Nakade, Yasunobu Hashimoto, Tamotsu Ito, Kazuhiko Yoshizawa
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Publication number: 20220230560Abstract: In a road guidance using a Braille block, it has not been possible to determine a walking direction of a user only by a single Braille block. To solve the above problem, in a road guidance system including a mobile information terminal and a Braille block, the mobile information terminal includes a photographing processing unit, a QR code analysis processing unit that analyzes a QR code, a voice output processing unit, and a control unit, a QR code is affixed to the Braille block, and the control unit analyzes the QR code affixed to the Braille block photographed by the photographing processing unit using the QR code analysis processing unit to obtain QR code information, generates road guidance information generated based on a walking direction of a user holding the mobile information terminal from the QR code information, and outputs the road guidance information from the voice output processing unit as a voice.Type: ApplicationFiled: June 6, 2019Publication date: July 21, 2022Inventors: Sadao TSURUGA, Tamotsu ITO, Yasunobu HASHIMOTO, Kazuhiko YOSHIZAWA
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Publication number: 20220222881Abstract: A video display device for displaying a video of distributed content and an avatar, which is a computer-generated image, on a display screen to overlap each other, includes: a communication processing unit connected to a network; an avatar generation processing unit that generates an avatar of another person from avatar information received through the communication processing unit; a movement information detection processing unit that detects movement information of a continuous movement associated with the video of the content received through the communication processing unit; a display unit that displays the content received through the communication processing unit; and a control unit. The avatar generation processing unit generates an avatar by adding the movement information detected by the movement information detection processing unit to a movement of the generated avatar.Type: ApplicationFiled: April 17, 2019Publication date: July 14, 2022Inventors: Mayumi Nakade, Osamu KAWAMAE, Hitoshi AKIYAMA, Tamotsu ITO
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Publication number: 20220044450Abstract: A portable video display device includes a sensor that detects a position and a direction of a user, a trajectory information acquisition unit that acquires information of a migration trajectory of the user; a storage unit that stores trajectory information of the user and information of an avatar, and a display unit that displays the migration trajectory of the user with the avatar. A control unit generates an avatar, calculates a current visual field area of the user using the sensor, and displays the avatar on the display unit so as to be disposed in the migration trajectory of the user according to the current visual field area of the user based on the trajectory information of the user stored in the storage unit. When the avatar is moved along the migration trajectory of the user, the avatar is moved from new trajectory information to old trajectory information in time.Type: ApplicationFiled: February 26, 2019Publication date: February 10, 2022Inventors: Mayumi NAKADE, Tamotsu ITO, Yasunobu HASHIMOTO
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Publication number: 20210397252Abstract: With respect to a video display apparatus, a technology capable of improving the operability and usability for a user in relation to a generated image such as AR (Augmented Reality) is provided. An HMD as a video display apparatus displays an AR image on a display screen, configures an ID image including identification information (ID) for supporting an operation of a user to the AR image, detects a sight line direction of the user to set a sight line region, and displays the ID image so as to be associated with the AR image when the AR image falls within a range of the sight line region. The HMD receives an operation to select the ID image from the user, selects the AR image associated with the ID image when receiving the operation to select the ID image, and executes a predetermined process associated with the AR image.Type: ApplicationFiled: November 29, 2018Publication date: December 23, 2021Inventors: Mayumi NAKADE, Yasunobu HASHIMOTO, Tamotsu ITO, Kazuhiko YOSHIZAWA
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Publication number: 20200091845Abstract: A rotor position can be more reliably estimated and control can be performed even in a case where a rotation speed of a motor is increased by PWM control with a simple configuration.Type: ApplicationFiled: March 2, 2019Publication date: March 19, 2020Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ELECTRONIC DEVICES & STORAGE CORPORATIONInventor: Tamotsu ITO
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Patent number: 10374537Abstract: A rotor position detection system according to one embodiment includes a H bridge circuit, a current detection circuit, a time measurement circuit, a zero cross determination circuit, and a rotor position calculation circuit. The zero cross determination circuit calculates a zero cross position of the induced voltage of the motor based on a difference time calculated by the time measurement circuit. The rotor position calculation circuit calculates a rotor position of the motor based on the zero cross position of the induced voltage.Type: GrantFiled: January 30, 2018Date of Patent: August 6, 2019Assignees: Kabushiki Kaisha Toshiba, Toshiba Electronics Devices & Storage CorporationInventor: Tamotsu Ito
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Publication number: 20190058424Abstract: A rotor position detection system according to one embodiment includes a H bridge circuit, a current detection circuit, a time measurement circuit, a zero cross determination circuit, and a rotor position calculation circuit. The zero cross determination circuit calculates a zero cross position of the induced voltage of the motor based on a difference time calculated by the time measurement circuit. The rotor position calculation circuit calculates a rotor position of the motor based on the zero cross position of the induced voltage.Type: ApplicationFiled: January 30, 2018Publication date: February 21, 2019Inventor: Tamotsu Ito
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Patent number: 9979330Abstract: A three-phase motor control apparatus includes a monitor unit, a three-phase synthesis unit, and a feedback unit. The monitor unit generates monitor voltages derived from output voltages of output transistors having terminals electrically connected to drive coils of respective phases of a three-phase motor. The three-phase synthesis unit converts the monitor voltages into currents and generates a combined current therefrom. The feedback unit generates a feedback signal based on the combined current and feeds the feedback signal back to an output controller that generate control signals for the output transistors based on the feedback signal.Type: GrantFiled: September 1, 2016Date of Patent: May 22, 2018Assignee: Kabushiki Kaisha ToshibaInventor: Tamotsu Ito
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Publication number: 20170207736Abstract: A three-phase motor control apparatus includes a monitor unit, a three-phase synthesis unit, and a feedback unit. The monitor unit generates monitor voltages derived from output voltages of output transistors having terminals electrically connected to drive coils of respective phases of a three-phase motor. The three-phase synthesis unit converts the monitor voltages into currents and generates a combined current therefrom. The feedback unit generates a feedback signal based on the combined current and feeds the feedback signal back to an output controller that generate control signals for the output transistors based on the feedback signal.Type: ApplicationFiled: September 1, 2016Publication date: July 20, 2017Inventor: Tamotsu ITO
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Patent number: 9240897Abstract: A plurality of devices and a device system are disclosed, in which a plurality of input devices generate an input AV signal, a related device records and reproduces the AV signal, and a display device displays the AV signal. The input devices, the related device and the display device are interconnected to configure an AV system having a bus for transmitting or receiving the AV signal and management information. The related device of the AV system includes a recording medium for recording the AV signal, and the input devices transmit to the related device a request to secure a recording area on the recording medium.Type: GrantFiled: December 4, 2012Date of Patent: January 19, 2016Assignee: HITACHI MAXELL, LTD.Inventors: Chiyo Akamatsu, Tsukasa Hasegawa, Tamotsu Ito, Hidefumi Goto, Takaharu Noguchi, Yasunori Ohara
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Publication number: 20150245102Abstract: A method and apparatus for accessing content is capable of retrieving and selecting information is facilitated by using uniform operations. Symbols corresponding to pre-recorded programs contained on a recording medium are displayed on a screen. In response to selecting one of the symbols, representative frames comprising the program are displayed on the screen. In response to selecting a representative frame, a portion of the program is played back. In a recording device, content is accessed by displaying a representative frame from each of a number of user-defined streams. At least a portion of a stream is played back in response to selection of the corresponding one of the representative frames.Type: ApplicationFiled: April 26, 2015Publication date: August 27, 2015Inventors: Tamotsu Ito, Noriaki Harada, Tsugutaro Ozawa
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Patent number: 9032438Abstract: A method and apparatus for accessing content is capable of retrieving and selecting information is facilitated by using uniform operations. Symbols corresponding to pre-recorded programs contained on a recording medium are displayed on a screen. In response to selecting one of the symbols, representative frames comprising the program are displayed on the screen. In response to selecting a representative frame, a portion of the program is played back. In a recording device, content is accessed by displaying a representative frame from each of a number of user-defined streams. At least a portion of a stream is played back in response to selection of the corresponding one of the representative frames.Type: GrantFiled: December 16, 2004Date of Patent: May 12, 2015Assignee: Hitachi Maxell, Ltd.Inventors: Tamotsu Ito, Noriaki Harada, Tsugutaro Ozawa
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Publication number: 20130163964Abstract: A plurality of devices and a device system are disclosed, in which a plurality of input devices generate an input AV signal, a related device records and reproduces the AV signal, and a display device displays the AV signal. The input devices, the related device and the display device are interconnected to configure an AV system having a bus for transmitting or receiving the AV signal and management information. The related device of the AV system includes a recording medium for recording the AV signal, and the input devices transmit to the related device a request to secure a recording area on the recording medium.Type: ApplicationFiled: December 4, 2012Publication date: June 27, 2013Inventors: Chiyo AKAMATSU, Tsukasa HASEGAWA, Tamotsu ITO, Hidefumi GOTO, Takaharu NOGUCHI, Yasunori OHARA