Patents by Inventor Satoshi Kawaji
Satoshi Kawaji 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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Patent number: 11977142Abstract: An electronic device comprises: a transmission antenna configured to transmit transmission waves; a reception antenna configured to receive reflected waves resulting from reflection of the transmission waves; and a controller. The controller is configured to detect an object reflecting the transmission waves, based on a transmission signal transmitted as the transmission waves and a reception signal received as the reflected waves. The controller is configured to make a range of detection of the object by the transmission signal and the reception signal, variable.Type: GrantFiled: September 26, 2019Date of Patent: May 7, 2024Assignee: KYOCERA CorporationInventors: Takuya Homma, Masamitsu Nishikido, Tooru Sahara, Youhei Murakami, Satoshi Kawaji, Masayuki Sato
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Patent number: 11940523Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the reflected transmission wave, and a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The electronic device transmits, to an information processing apparatus, sensing information based on the transmission signal and the reception signal at a location of the electronic device along with location information of the electronic device.Type: GrantFiled: April 1, 2020Date of Patent: March 26, 2024Assignee: KYOCERA CorporationInventors: Masamitsu Nishikido, Tooru Sahara, Youhei Murakami, Satoshi Kawaji, Masayuki Sato, Takuya Homma
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Publication number: 20230408672Abstract: An electronic device includes a transmission antenna and a reception antenna. The transmission antenna is configured to transmit a transmission wave. The reception antenna is configured to receive a reflection wave generated by reflection of the transmission wave. The electronic device allows the frequency at which the transmission wave is transmitted to be variable in multiple segments and detects an object that reflects the transmission wave based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflection wave. The electronic device transmits sensing information to an information processing apparatus along with position information of the electronic device. The sensing information is based on the transmission signal transmitted at a frequency in one of the multiple segments as the transmission wave and the reception signal received as the reflection wave.Type: ApplicationFiled: October 4, 2021Publication date: December 21, 2023Applicant: KYOCERA CorporationInventors: Masamitsu NISHIKIDO, Masayuki SATO, Satoshi KAWAJI, Youhei MURAKAMI
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Publication number: 20230408637Abstract: An electronic device includes a first sensor and a second sensor. Each of the first sensor and the second sensor includes a transmission antenna, a reception antenna, and a controller. The transmission antenna transmits a transmission wave. The reception antenna receives a reflected wave that is the transmission wave having been reflected. The controller detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The first sensor and the second sensor are disposed in respective directions that are not parallel to each other.Type: ApplicationFiled: November 11, 2021Publication date: December 21, 2023Applicant: KYOCERA CorporationInventors: Youhei MURAKAMI, Satoshi KAWAJI, Masayuki SATO, Masamitsu NISHIKIDO
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Publication number: 20230273293Abstract: An electronic device includes a transmission antenna and a reception antenna. The transmission antenna transmits a transmission wave. The reception antenna receives a reflection wave generated by reflection of the transmission wave. The electronic device detects an object based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflection wave. The electronic device includes a controller that determines how frequently to transmit the transmission wave in each of multiple segments of frequencies at which the transmission wave is transmitted in accordance with noise powers in the multiple segments of the frequencies.Type: ApplicationFiled: August 4, 2021Publication date: August 31, 2023Applicant: KYOCERA CorporationInventors: Masamitsu NISHIKIDO, Masayuki SATO, Satoshi KAWAJI, Youhei MURAKAMI
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Publication number: 20230003876Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit performs control to detect, as a target, an object having a motion characteristic of a motion of an arm of a person, among objects located around the electronic device.Type: ApplicationFiled: December 1, 2020Publication date: January 5, 2023Applicant: KYOCERA CorporationInventors: Takuya HOMMA, Tooru SAHARA, Masayuki SATO, Masamitsu NISHIKIDO, Youhei MURAKAMI, Satoshi KAWAJI
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Publication number: 20220390554Abstract: An electronic device includes a transmission antenna that transmits a transmission wave; a reception antenna that receives a reflected wave that is the transmission wave having been reflected; a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave; and a gain adjustment unit that adjusts a gain of the reception signal. The control unit performs control to transmit the transmission wave in at least two different modes. The gain adjustment unit adjusts the gain of the reception signal for each of the modes.Type: ApplicationFiled: November 9, 2020Publication date: December 8, 2022Applicant: KYOCERA CorporationInventors: Youhei MURAKAMI, Masamitsu NISHIKIDO, Tooru SAHARA, Satoshi KAWAJI, Takuya HOMMA, Masayuki SATO
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Publication number: 20220342068Abstract: An electronic device includes a plurality of sensors installed in predetermined orientations at different positions. Each of the plurality of sensors includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The electronic device further includes a determination unit that determines a shift in orientation of at least any of the plurality of sensors, based on detection results of an object obtained by the plurality of sensors.Type: ApplicationFiled: October 2, 2020Publication date: October 27, 2022Applicant: KYOCERA CorporationInventors: Satoshi KAWAJI, Tooru SAHARA, Takuya HOMMA, Masamitsu NISHIKIDO, Youhei MURAKAMI, Masayuki SATO
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Publication number: 20220299599Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit that detects a target by using a constant false alarm rate, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit sets a test region and at least one or more reference regions with respect to the test region in a distribution of signal intensities based on the reception signal in a distance direction, and sets a threshold for use in detection of the target, based on an order statistic among signal intensities in the reference regions.Type: ApplicationFiled: June 12, 2020Publication date: September 22, 2022Applicant: KYOCERA CorporationInventors: Tooru SAHARA, Takuya HOMMA, Satoshi KAWAJI, Masayuki SATO, Youhei MURAKAMI, Masamitsu NISHIKIDO
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Publication number: 20220291372Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit that detects a target by using a constant false alarm rate on the basis of a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit performs control to skip processing of detecting an object determined to be a stationary object among objects located around the electronic device, as the target by using the constant false alarm rate on the basis of the transmission signal and the reception signal.Type: ApplicationFiled: October 9, 2020Publication date: September 15, 2022Applicant: KYOCERA CorporationInventors: Tooru SAHARA, Takuya HOMMA, Masayuki SATO, Youhei MURAKAMI, Masamitsu NISHIKIDO, Satoshi KAWAJI
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Publication number: 20220221554Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the reflected transmission wave, and a control unit. The control unit detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The transmission antenna includes a first transmission antenna that transmits a transmission wave of a first polarization direction, and a second transmission antenna that transmits a transmission wave of a second polarization direction different from the first polarization direction.Type: ApplicationFiled: April 2, 2020Publication date: July 14, 2022Applicant: KYOCERA CorporationInventor: Satoshi KAWAJI
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Publication number: 20220221568Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the reflected transmission wave, and a control unit that detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The electronic device transmits, to an information processing apparatus, sensing information based on the transmission signal and the reception signal at a location of the electronic device along with location information of the electronic device.Type: ApplicationFiled: April 1, 2020Publication date: July 14, 2022Applicant: KYOCERA CorporationInventors: Masamitsu NISHIKIDO, Tooru SAHARA, Youhei MURAKAMI, Satoshi KAWAJI, Masayuki SATO, Takuya HOMMA
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Publication number: 20220221567Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit. The control unit detects a target by using a constant false alarm rate, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit establishes reference regions on a far side in a distance direction with respect to a test region in a distribution of signal intensities based on the reception signal in the distance direction, and sets a threshold for use in detection of the target, based on an order statistic among the signal intensities in the reference regions.Type: ApplicationFiled: May 12, 2020Publication date: July 14, 2022Applicant: KYOCERA CorporationInventors: Tooru SAHARA, Youhei MURAKAMI, Satoshi KAWAJI, Masayuki SATO, Takuya HOMMA, Masamitsu NISHIKIDO
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Publication number: 20220214440Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit. The control unit detects a target by using a constant false alarm rate, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit establishes reference regions non-contiguously in a distance direction and a relative velocity direction with respect to a test region in a two-dimensional distribution of signal intensities based on the reception signal in the distance direction and the relative velocity direction. The control unit sets a threshold for use in detection of the target, based on an order statistic among the signal intensities in the reference regions.Type: ApplicationFiled: May 12, 2020Publication date: July 7, 2022Applicant: KYOCERA CorporationInventors: Tooru SAHARA, Satoshi KAWAJI, Youhei MURAKAMI, Masayuki SATO, Takuya HOMMA, Masamitsu NISHIKIDO
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Publication number: 20220208005Abstract: An electronic device includes a transmission antenna that transmits a transmission wave, a reception antenna that receives a reflected wave that is the transmission wave having been reflected, and a control unit. The control unit detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The control unit estimates a time taken by the object to arrive at the mobility device, based on the transmission signal and the reception signal, and notifies a mobility device control unit that controls the mobility device of detection of the object in accordance with the time.Type: ApplicationFiled: May 12, 2020Publication date: June 30, 2022Applicant: KYOCERA CorporationInventors: Tooru SAHARA, Satoshi KAWAJI, Youhei MURAKAMI, Masayuki SATO, Takuya HOMMA, Masamitsu NISHIKIDO
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Publication number: 20220146625Abstract: An electronic device includes a transmission antenna, a reception antenna, and a controller. The transmission antenna transmits a transmission wave. The reception antenna receives a reflected wave that is the reflected transmission wave. The controller detects an object that reflects the transmission wave, based on a transmission signal transmitted as the transmission wave and a reception signal received as the reflected wave. The controller configures a transmission signal in a second frame among a plurality of frames of the transmission wave differently from a transmission signal in a first frame among the plurality of frames.Type: ApplicationFiled: March 3, 2020Publication date: May 12, 2022Applicant: KYOCERA CorporationInventors: Masamitsu NISHIKIDO, Tooru SAHARA, Youhei MURAKAMI, Satoshi KAWAJI, Takuya HOMMA, Masayuki SATO
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Patent number: 11221481Abstract: A three-dimensional projection apparatus includes a display including a display surface having a plurality of subpixels arranged in a grid along a first direction and a second direction substantially orthogonal to the first direction, an optical element configured to define a light beam direction of an image light emitted from the subpixels for each strip-shaped region of a plurality of strip-shaped regions extending in the second direction on the display surface, an optical member configured to project the image light, the light beam direction of which is defined by the optical element, so that a virtual image of the display surface is formed, and a controller configured to acquire information related to a position of an eye of a subject and to correct, in accordance with the position of the eye, the optical element and an image to be displayed by the display surface.Type: GrantFiled: December 1, 2017Date of Patent: January 11, 2022Assignee: KYOCERA CorporationInventors: Kaoru Kusafuka, Shin Miura, Yusuke Hayashi, Satoshi Kawaji
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Publication number: 20210373151Abstract: An electronic device comprises a plurality of sensors and a main controller. The plurality of sensors are each configured to detect, based on a transmission signal transmitted from a transmission antenna as transmission waves and a reception signal received by a reception antenna as reflected waves, an object reflecting the transmission waves T. The main controller is configured to control the plurality of sensors independently of each other.Type: ApplicationFiled: October 7, 2019Publication date: December 2, 2021Applicant: KYOCERA CorporationInventors: Satoshi KAWAJI, Tooru SAHARA, Masamitsu NISHIKIDO, Youhei MURAKAMI, Takuya HOMMA, Masayuki SATO
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Publication number: 20210373124Abstract: An electronic device comprises: a transmission antenna configured to transmit transmission waves; a reception antenna configured to receive reflected waves resulting from reflection of the transmission waves; and a controller. The controller is configured to detect an object reflecting the transmission waves, based on a transmission signal transmitted as the transmission waves and a reception signal received as the reflected waves. The controller is configured to classify a detection result of the object reflecting the transmission waves depending on a degree of certainty, and output the classified detection result.Type: ApplicationFiled: October 7, 2019Publication date: December 2, 2021Applicant: KYOCERA CorporationInventors: Youhei MURAKAMI, Tooru SAHARA, Masamitsu NISHIKIDO, Takuya HOMMA, Masayuki SATO, Satoshi KAWAJI
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Publication number: 20210349181Abstract: An electronic device comprises: a plurality of transmission antennas configured to transmit transmission waves; a plurality of reception antennas configured to receive reflected waves resulting from reflection of the transmission waves; and a controller configured to detect an object reflecting the transmission waves, based on a transmission signal transmitted as the transmission waves and a reception signal received as the reflected waves. The controller is configured to determine a band part used to transmit the transmission waves in a predetermined frequency band, depending on an incidence angle when the reception antennas receive the reflected waves.Type: ApplicationFiled: September 26, 2019Publication date: November 11, 2021Applicant: KYOCERA CorporationInventors: Masamitsu NISHIKIDO, Satoshi KAWAJI, Masayuki SATO, Takuya HOMMA, Tooru SAHARA, Youhei MURAKAMI