Patents by Inventor Hiroshi Shigetaka
Hiroshi Shigetaka 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: 12175045Abstract: A capacitance measurement circuit module has: a sensor electrode, for input detection, disposed on a wiring board; a sensor-side shield electrode shielding the sensor electrode; board-side measurement terminals connected to the sensor electrode; a board-side shield terminal connected to the sensor-side shield electrode; a measurement integrated circuit having circuit-side measurement terminals connected to the board-side measurement terminals and a circuit-side shield terminal connected to the board-side shield terminal, the circuit outputting measurement signals from the circuit-side measurement terminals and outputting, from the circuit-side shield terminal, a shield signal having the same frequency and phase as the measurement signals, the circuit being disposed on the wiring board and measuring capacitance of the sensor electrode; and a circuit-side shield electrode that is positioned on the wiring board so as to face the measurement integrated circuit and to be adjacent to the board-side measurement termType: GrantFiled: February 23, 2024Date of Patent: December 24, 2024Assignee: Alps Alpine Co., Ltd.Inventors: Masahiro Takata, Hiroshi Shigetaka
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Publication number: 20240302924Abstract: A capacitance measurement circuit module has: a sensor electrode, for input detection, disposed on a wiring board; a sensor-side shield electrode shielding the sensor electrode; board-side measurement terminals connected to the sensor electrode; a board-side shield terminal connected to the sensor-side shield electrode; a measurement integrated circuit having circuit-side measurement terminals connected to the board-side measurement terminals and a circuit-side shield terminal connected to the board-side shield terminal, the circuit outputting measurement signals from the circuit-side measurement terminals and outputting, from the circuit-side shield terminal, a shield signal having the same frequency and phase as the measurement signals, the circuit being disposed on the wiring board and measuring capacitance of the sensor electrode; and a circuit-side shield electrode that is positioned on the wiring board so as to face the measurement integrated circuit and to be adjacent to the board-side measurement termType: ApplicationFiled: February 23, 2024Publication date: September 12, 2024Inventors: Masahiro TAKATA, Hiroshi SHIGETAKA
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Publication number: 20240264327Abstract: An electrostatic input device includes a first sensor electrode for input detection, an electronic part, a second sensor electrode for noise detection, the second sensor electrode being placed between the first sensor electrode and the electronic part, and a measurement circuit that measures the capacitance of the first sensor electrode and the capacitance of the second sensor electrode, the measurement circuit calculating the difference between the capacitance of the first sensor electrode and a value obtained by multiplying the capacitance of the second sensor electrode by a constant.Type: ApplicationFiled: January 24, 2024Publication date: August 8, 2024Inventors: Masahiro TAKATA, Hiroshi SHIGETAKA
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Patent number: 11989370Abstract: An electrostatic input device includes: a plurality of first detection electrodes that are configured to detect approach of an object within a first distance from a detection face; a second detection electrode that is provided between the plurality of first detection electrodes and configured to detect approach of the object within a second distance from the detection face, where the second distance is longer than the first distance; and a detection circuit that is configured to detect change in capacitance of the plurality of first detection electrodes and the second detection electrode.Type: GrantFiled: February 22, 2023Date of Patent: May 21, 2024Assignee: ALPS ALPINE CO., LTD.Inventor: Hiroshi Shigetaka
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Patent number: 11954312Abstract: An input device includes a touch panel having an operation surface and configured to receive a touch input and a hover input by an operation body; a display device configured to display a plurality of selection items; a memory; and a processor coupled to the memory. The processor is configured to highlight a selection item, a selection of the selection item being made by the hover input from the plurality of selection items, confirm the selection of the selection item by the hover input in a case where a duration during which the selection item is selected by the hover input reaches a first predetermined threshold, and confirm a selection of the selection item by the touch input in a case where the touch input is detected on the selection item before the duration reaches the first predetermined threshold.Type: GrantFiled: May 27, 2022Date of Patent: April 9, 2024Assignee: ALPS ALPINE CO., LTD.Inventors: Toshiki Nakamura, Hiroshi Shigetaka, Hirofumi Kuga, Masahiro Takata, Yasuji Hagiwara
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Patent number: 11904455Abstract: A proximity detection system includes a proximity sensor that is a capacitive sensor mounted on a mounting position on a robot, the proximity sensor being configured to detect proximity between the mounting position and an object; and a shield signal output unit configured to apply a shield signal for preventing the proximity sensor from detecting proximity of another position of the robot other than the mounting position.Type: GrantFiled: March 2, 2021Date of Patent: February 20, 2024Assignee: ALPS ALPINE CO., LTD.Inventor: Hiroshi Shigetaka
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Publication number: 20240028165Abstract: A proximity detection device with a detection distance for detecting an object separated to some extent from an operation surface is provided. The proximity detection device includes a proximity detection unit that has a piezoelectric body and first and second electrodes disposed in contact with the piezoelectric body to detect proximity of an object, a signal applying unit that causes the proximity detection unit to perform capacitance detection and ultrasonic transmission and/or ultrasonic reception by applying a plurality of signals of different frequencies to at least one of the first and second electrodes, and a charge measurement unit connected to at least one of the first and second electrodes to measure electric charge.Type: ApplicationFiled: October 2, 2023Publication date: January 25, 2024Inventors: Hiroshi SHIGETAKA, Tatsumi FUJIYOSHI
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Patent number: 11851919Abstract: A door handle includes a door handle case and an electrostatic sensor provided in the door handle case. The electrostatic sensor includes a detection electrode that is formed of a flat conductor plate, or that is formed on a surface of a flat substrate or within a flat substrate. The detection electrode includes a middle portion in a longitudinal direction of the detection electrode and includes peripheral portions proximal to both end portions of the detection electrode in the longitudinal direction. For a width of the detection electrode in a direction perpendicular to the longitudinal direction, each peripheral portion is wider than the middle portion, and the width of the detection electrode gradually increases toward each end portion in the longitudinal direction.Type: GrantFiled: July 1, 2020Date of Patent: December 26, 2023Assignee: ALPS ALPINE CO., LTD.Inventors: Toshiki Nakamura, Takashi Sasaki, Yoshiyuki Kikuchi, Yuzuru Kawana, Heishiro Fudo, Yukimitsu Yamada, Hiroshi Shigetaka
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Publication number: 20230195261Abstract: An electrostatic input device includes: a plurality of first detection electrodes that are configured to detect approach of an object within a first distance from a detection face; a second detection electrode that is provided between the plurality of first detection electrodes and configured to detect approach of the object within a second distance from the detection face, where the second distance is longer than the first distance; and a detection circuit that is configured to detect change in capacitance of the plurality of first detection electrodes and the second detection electrode.Type: ApplicationFiled: February 22, 2023Publication date: June 22, 2023Inventor: Hiroshi SHIGETAKA
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Patent number: 11511605Abstract: An operation input device includes a resistance element to generate a capacitance between an operating medium and the resistance element in response to an approach of the operating medium to the resistance element, and a power source to supply electric charge to one end and the other end of the resistance element. A first electric unit measures a first electric charge transfer amount supplied to the one end of the resistance element in response to generation of the capacitance. A second unit measures a second electric charge transfer amount supplied to the other end of the resistance element in response to generation of the capacitance. A controller is connected to the first and second units, and detects a position of the operating medium in a direction perpendicular to a surface of the resistance element based on a sum of the first and second electric charge transfer amounts.Type: GrantFiled: March 13, 2020Date of Patent: November 29, 2022Assignee: ALPS ALPINE CO., LTD.Inventors: Tatsumi Fujiyoshi, Hiroshi Shigetaka, Daisuke Takai
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Publication number: 20220291814Abstract: An input device includes a touch panel having an operation surface and configured to receive a touch input and a hover input by an operation body; a display device configured to display a plurality of selection items; a memory; and a processor coupled to the memory. The processor is configured to highlight a selection item, a selection of the selection item being made by the hover input from the plurality of selection items, confirm the selection of the selection item by the hover input in a case where a duration during which the selection item is selected by the hover input reaches a first predetermined threshold, and confirm a selection of the selection item by the touch input in a case where the touch input is detected on the selection item before the duration reaches the first predetermined threshold.Type: ApplicationFiled: May 27, 2022Publication date: September 15, 2022Inventors: Toshiki NAKAMURA, Hiroshi SHIGETAKA, Hirofumi KUGA, Masahiro TAKATA, Yasuji HAGIWARA
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Patent number: 11424086Abstract: An operation device includes a housing, an operation member, and a detector. The housing includes an electrically conductive portion on a surface thereof. The operation member is supported by the housing such that the operation member is movable in response to an operation by an operation body, and is configured to be capacitively coupled to the operation body and to the electrically conductive portion. The detector is configured to detect whether the operation body is in proximity to the operation member based on a change in capacitance at the electrically conductive portion.Type: GrantFiled: February 2, 2021Date of Patent: August 23, 2022Assignee: ALPS ALPINE CO., LTD.Inventors: Yasuji Hagiwara, Daisuke Takai, Takashi Sasaki, Takeshi Masaki, Toshiki Nakamura, Masaki Ota, Hiroshi Shigetaka, Masahiro Takata
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Patent number: 11188166Abstract: An input device that inputs information corresponding to a change in pressure due to load includes: a first charge detection circuit that outputs a first detection signal corresponding to charges generated in a first piezoelectric sensor and a second piezoelectric sensor; and a switch circuit provided on a path through which the charges are transmitted from the first and second piezoelectric sensors to the first charge detection circuit. The first charge detection circuit alternately iterates a first period in which a first charge is input from a first positive electrode via the switch circuit and a second period in which a second charge is input from a second negative electrode via the switch circuit, reverses a sign of one of the first and second charges, combines a resulting charge with the other charge, and outputs the first detection signal corresponding to the amount of accumulation of the combined charge.Type: GrantFiled: March 31, 2020Date of Patent: November 30, 2021Assignee: Alps Alpine Co., Ltd.Inventors: Tatsumi Fujiyoshi, Hiroshi Shigetaka
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Publication number: 20210178605Abstract: A proximity detection system includes a proximity sensor that is a capacitive sensor mounted on a mounting position on a robot, the proximity sensor being configured to detect proximity between the mounting position and an object; and a shield signal output unit configured to apply a shield signal for preventing the proximity sensor from detecting proximity of another position of the robot other than the mounting position.Type: ApplicationFiled: March 2, 2021Publication date: June 17, 2021Inventor: Hiroshi SHIGETAKA
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Publication number: 20210159027Abstract: An operation device includes a housing, an operation member, and a detector. The housing includes an electrically conductive portion on a surface thereof. The operation member is supported by the housing such that the operation member is movable in response to an operation by an operation body, and is configured to be capacitively coupled to the operation body and to the electrically conductive portion. The detector is configured to detect whether the operation body is in proximity to the operation member based on a change in capacitance at the electrically conductive portion.Type: ApplicationFiled: February 2, 2021Publication date: May 27, 2021Inventors: Yasuji HAGIWARA, Daisuke TAKAI, Takashi SASAKI, Takeshi MASAKI, Toshiki NAKAMURA, Masaki OTA, Hiroshi SHIGETAKA, Masahiro TAKATA
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Patent number: 10969895Abstract: An input device includes an operation panel, a frame disposed on a back side of the operation panel, a pressure detector disposed between the operation panel and the frame, and an elastic part. The pressure detector includes a lever including a deformation part that warps when a pressing force is applied, a protruding part provided on a first surface of the deformation part, and a surrounding wall provided on a periphery of a second surface of the deformation part; and a pressure detection element that is disposed in a region of the second surface of the deformation part surrounded by the surrounding wall, warps along with the deformation part, and outputs a pressure detection signal corresponding to the pressing force. The elastic part is disposed between the protruding part or the surrounding wall and the frame or the operation panel and applies a pre-pressure to the deformation part.Type: GrantFiled: April 3, 2020Date of Patent: April 6, 2021Assignee: ALPS ALPINE CO., LTD.Inventors: Wataru Sato, Daisuke Takai, Hiroshi Shigetaka, Yuzuru Kawana, Hajime Shikata
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Publication number: 20200331328Abstract: A door handle includes a door handle case and an electrostatic sensor provided in the door handle case. The electrostatic sensor includes a detection electrode that is formed of a flat conductor plate, or that is formed on a surface of a flat substrate or within a flat substrate. The detection electrode includes a middle portion in a longitudinal direction of the detection electrode and includes peripheral portions proximal to both end portions of the detection electrode in the longitudinal direction. For a width of the detection electrode in a direction perpendicular to the longitudinal direction, each peripheral portion is wider than the middle portion, and the width of the detection electrode gradually increases toward each end portion in the longitudinal direction.Type: ApplicationFiled: July 1, 2020Publication date: October 22, 2020Inventors: Toshiki NAKAMURA, Takashi SASAKI, Yoshiyuki KIKUCHI, Yuzuru KAWANA, Heishiro FUDO, Yukimitsu YAMADA, Hiroshi SHIGETAKA
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Publication number: 20200233557Abstract: An input device includes an operation panel, a flame disposed on a back side of the operation panel, a pressure detector disposed between the operation panel and the flame, and an elastic part. The pressure detector includes a lever including a deformation part that warps when a pressing force is applied, a protruding part provided on a first surface of the deformation part, and a surrounding wall provided on a periphery of a second surface of the deformation part; and a pressure detection element that is disposed in a region of the second surface of the deformation part surrounded by the surrounding wall, warps along with the deformation part, and outputs a pressure detection signal corresponding to the pressing force. The elastic part is disposed between the protruding part or the surrounding wall and the flame or the operation panel and applies a pre-pressure to the deformation part.Type: ApplicationFiled: April 3, 2020Publication date: July 23, 2020Inventors: Wataru SATO, Daisuke TAKAI, Hiroshi SHIGETAKA, Yuzuru KAWANA, Hajime SHIKATA
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Publication number: 20200225797Abstract: An input device that inputs information corresponding to a change in pressure due to load includes: a first charge detection circuit that outputs a first detection signal corresponding to charges generated in a first piezoelectric sensor and a second piezoelectric sensor; and a switch circuit provided on a path through which the charges are transmitted from the first and second piezoelectric sensors to the first charge detection circuit. The first charge detection circuit alternately iterates a first period in which a first charge is input from a first positive electrode via the switch circuit and a second period in which a second charge is input from a second negative electrode via the switch circuit, reverses a sign of one of the first and second charges, combines a resulting charge with the other charge, and outputs the first detection signal corresponding to the amount of accumulation of the combined charge.Type: ApplicationFiled: March 31, 2020Publication date: July 16, 2020Inventors: Tatsumi FUJIYOSHI, Hiroshi SHIGETAKA
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Publication number: 20200207189Abstract: An operation input device includes a resistance element to generate a capacitance between an operating medium and the resistance element in response to an approach of the operating medium to the resistance element, and a power source to supply electric charge to one end and the other end of the resistance element. A first electric unit measures a first electric charge transfer amount supplied to the one end of the resistance element in response to generation of the capacitance. A second unit measures a second electric charge transfer amount supplied to the other end of the resistance element in response to generation of the capacitance. A controller is connected to the first and second units, and detects a position of the operating medium in a direction perpendicular to a surface of the resistance element based on a sum of the first and second electric charge transfer amounts.Type: ApplicationFiled: March 13, 2020Publication date: July 2, 2020Inventors: Tatsumi FUJIYOSHI, Hiroshi SHIGETAKA, Daisuke TAKAI