Patents by Inventor Yukimitsu Yamada
Yukimitsu Yamada 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: 11926285Abstract: A remote communication system includes a portable device; and a fixed system. The fixed system includes main communication modules; and a position estimating unit configured to estimate a position of the portable device, based on an incident angle of a signal from the portable device, upon detecting the signal by antennas provided in the main communication modules. When there are two main communication modules for which the incident angle is known, the position of the portable device is estimated based on the incident angle. When there is one main communication module for which the incident angle is known, the position of the portable device is estimated based on the incident angle and a received radio wave intensity of the signal. When there is no main communication module for which the incident angle is known, the position of the portable device is estimated based on the received radio wave intensity.Type: GrantFiled: July 27, 2021Date of Patent: March 12, 2024Assignee: ALPS ALPINE CO., LTD.Inventors: Yoshihisa Kishimoto, Keigo Wakana, Daisuke Takai, Yukimitsu Yamada, Mitsuharu Nakasato, Kazuma Sato
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Publication number: 20240036652Abstract: A sensory control method includes a step of receiving, a step of converting, and a step of outputting. In the step of receiving, a sensitivity parameter is received. In the step of converting, the received sensitivity parameter is converted into, among a plurality of physical parameters included in physical properties relating to a sensory presentation, a physical parameter correlated with the sensitivity parameter. In the step of outputting, a sensory presentation signal based on the physical parameter obtained as a result of the conversion is output.Type: ApplicationFiled: October 3, 2023Publication date: February 1, 2024Inventors: Yukimitsu YAMADA, Takeshi SHIRASAKA, Munemitsu ABE, Hisato SHIMOMURA, Takashi UENOMACHI, Akihisa ITOH, Toshio KAWANO, Naoki ITO, Kenichiro SAMESHIMA, Hideo KAWASE, Shota TAKEUCHI
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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: 20220368580Abstract: In order to provide a receiver capable of accurately determining a phase difference of I/Q signals, a receiver includes a section detector configured to detect a section between a rising and a falling of a phase based on the rising and the falling of the phase represented by I/Q signals generated based on an advertisement packet transmitted from a transmitter, and a section setting unit configured to identify, within the section between the rising and the falling of the phase, a period in which a first variation amount of the phase is equal to or less than a first predetermined amount, and use the identified period as a section for detecting the phase of the I/Q signals. The section detector detects the rising when a first phase is smaller than a last phase among a plurality of phases acquired by sampling the phases.Type: ApplicationFiled: August 1, 2022Publication date: November 17, 2022Inventors: Yukimitsu YAMADA, Daisuke TAKAI, Mitsunobu INOUE
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Patent number: 11492823Abstract: A door handle includes door handle case, a first detection electrode and a second detection electrode disposed in the door handle case, and a controller connected to the first detection electrode and the second detection electrode. The controller separately measures a first capacitance between the first detection electrode and an operation body and a second capacitance between the second detection electrode and the operation body, and the controller determines whether a locking operation is performed by the operation body based on one or both of the first capacitance and the second capacitance.Type: GrantFiled: August 28, 2020Date of Patent: November 8, 2022Assignee: ALPS ALPINE CO., LTD.Inventors: Toshiki Nakamura, Takashi Sasaki, Yoshiyuki Kikuchi, Yuzuru Kawana, Yukimitsu Yamada, Daisuke Takai, Heishiro Fudo
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Publication number: 20220294425Abstract: A filter circuit includes a processor configured to compare a current input value with a last-time output value, add a first correction value to the current input value and to the last-time output value if a comparison result between the current input value and the last-time output value is greater than a predetermined value, and add a second correction value smaller than the first correction value to the current input value and to the last-time output value if the comparison result is smaller than or equal to the predetermined value, and calculate a current output value based on the current input value and the last-time output value to each of which the first correction value or the second correction value has been added.Type: ApplicationFiled: May 25, 2022Publication date: September 15, 2022Inventor: Yukimitsu YAMADA
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Publication number: 20220248310Abstract: A communication method includes: transmitting, by a transmitter, advertising packets having different data lengths per transmitting channel; and identifying, by a receiver, a transmitting channel of an advertising packet based on data length information contained in header information in the advertising packet, and the receiver receives remaining data in the advertising packet when the identified transmitting channel and a receiving channel match, and not receive the remaining data in the advertising packet when the identified transmitting channel and the receiving channel do not match.Type: ApplicationFiled: April 20, 2022Publication date: August 4, 2022Inventors: Yukimitsu Yamada, Mitsunobu Inoue
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Publication number: 20210354662Abstract: A remote communication system includes a portable device; and a fixed system. The fixed system includes main communication modules; and a position estimating unit configured to estimate a position of the portable device, based on an incident angle of a signal from the portable device, upon detecting the signal by antennas provided in the main communication modules. When there are two main communication modules for which the incident angle is known, the position of the portable device is estimated based on the incident angle. When there is one main communication module for which the incident angle is known, the position of the portable device is estimated based on the incident angle and a received radio wave intensity of the signal. When there is no main communication module for which the incident angle is known, the position of the portable device is estimated based on the received radio wave intensity.Type: ApplicationFiled: July 27, 2021Publication date: November 18, 2021Inventors: Yoshihisa KISHIMOTO, Keigo WAKANA, Daisuke TAKAI, Yukimitsu YAMADA, Mitsuharu NAKASATO, Kazuma SATO
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Patent number: 11085801Abstract: A physical quantity measuring apparatus has: a plurality of physical quantity sensors of the same type, each of which detects a physical quantity at intervals of a predetermined length of time; a computing unit that calculates an output value according to physical quantities detected by the plurality of physical quantity sensors at each detection time; and a deciding unit that makes a predetermined decision according to an output value calculated about the immediately preceding detection time and to physical quantities detected by the plurality of physical quantity sensors at the current detection time. The computing unit calculates an output value at each detection time according to a decision result of the deciding unit.Type: GrantFiled: March 14, 2019Date of Patent: August 10, 2021Assignee: ALPS ALPINE CO., LTD.Inventor: Yukimitsu Yamada
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Patent number: 11073594Abstract: A position estimating device includes a processor, and a memory storing program instructions that cause the processor to obtain a plurality of position data of a transmitter, the plurality of position data being output from respective positioning devices, calculate a density of the plurality of position data based on the plurality of obtained position data output from the respective positioning devices, the density of the plurality of position data being a value indicating how close positions indicated by the plurality of position data are, and estimate a position of the transmitter based on the plurality of position data output from the respective positioning devices and the calculated density.Type: GrantFiled: September 3, 2020Date of Patent: July 27, 2021Assignee: ALPS ALPINE CO., LTD.Inventors: Keigo Wakana, Yukimitsu Yamada
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Patent number: 11029754Abstract: A tilt adjusting image including a captured image that is obtained by capturing a wearer wearing a spectacle-type electronic device, and a horizontal line image indicating a horizontal direction identified by a tilt identification part, is displayed. The wearer adjusts a position of the spectacle-type electronic device by a wearer's hand or the like while viewing the tilt adjusting image so that the spectacle-type electronic device becomes horizontal. When the wearer judges that the spectacle-type electronic device has become horizontal, the wearer operates an operation part and inputs a calibration instruction. When the calibration instruction is input, the calibration instruction is transmitted to the spectacle-type electronic device.Type: GrantFiled: March 27, 2018Date of Patent: June 8, 2021Assignee: ALPS ALPINE CO., LTD.Inventor: Yukimitsu Yamada
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Patent number: 11006898Abstract: The biological information measurement apparatus includes a first signal applying unit which applies a first applying signal to electrodes at the time of the measurement of biological information, a biological information measurement unit which measures biological information based on detection signals of the electrodes at the time of the measurement of biological information, a second signal applying unit which applies a second applying signal to the electrodes at a time of detection of an attached state, and an attached state detection unit which detects an attached state based on the detection signals at the time of the detection of an attached state. At least some of the electrodes at the time of the measurement of biological information is identical with at least some of the electrodes at the time of the detection of an attached state.Type: GrantFiled: June 25, 2019Date of Patent: May 18, 2021Assignee: Alps Alpine Co., Ltd.Inventors: Yukimitsu Yamada, Daisuke Takai, Toshiki Nakamura
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Publication number: 20200400775Abstract: A position estimating device includes a processor, and a memory storing program instructions that cause the processor to obtain a plurality of position data of a transmitter, the plurality of position data being output from respective positioning devices, calculate a density of the plurality of position data based on the plurality of obtained position data output from the respective positioning devices, the density of the plurality of position data being a value indicating how close positions indicated by the plurality of position data are, and estimate a position of the transmitter based on the plurality of position data output from the respective positioning devices and the calculated density.Type: ApplicationFiled: September 3, 2020Publication date: December 24, 2020Inventors: Keigo WAKANA, Yukimitsu YAMADA
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Publication number: 20200392769Abstract: A door handle includes door handle case, a first detection electrode and a second detection electrode disposed in the door handle case, and a controller connected to the first detection electrode and the second detection electrode. The controller separately measures a first capacitance between the first detection electrode and an operation body and a second capacitance between the second detection electrode and the operation body, and the controller determines whether a locking operation is performed by the operation body based on one or both of the first capacitance and the second capacitance.Type: ApplicationFiled: August 28, 2020Publication date: December 17, 2020Inventors: Toshiki NAKAMURA, Takashi SASAKI, Yoshiyuki KIKUCHI, Yuzuru KAWANA, Yukimitsu YAMADA, Daisuke TAKAI, Heishiro FUDO
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Patent number: 10863929Abstract: A step count measuring apparatus that measures the step count based on a degree of acceleration is provided. The step count measuring apparatus includes a local maximum/minimum value detection unit configured to detect at least one of a local maximum value and a local minimum value of the acceleration during a predetermined time, a threshold value determination unit configured to determine a threshold value based on at least one of the local maximum value and the local minimum value detected by the local maximum/minimum value detection unit, and a step count measuring unit configured to measure the step count based on the acceleration and the threshold value that has been determined by the threshold value determination unit.Type: GrantFiled: March 15, 2018Date of Patent: December 15, 2020Assignee: ALPS ALPINE CO., LTD.Inventor: Yukimitsu Yamada
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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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Patent number: 10794723Abstract: A walking measurement device is provided that includes a timing detection unit configured to detect an impact generation timing at which an impact resulting from a landing of a left foot or a right foot has been generated; an acceleration sensor configured to repeatedly detect, at predetermined time intervals, an acceleration in a lateral direction along which the left foot and the right foot are arranged side by side; and a first determination unit configured to determine whether the impact generation timing corresponds to a landing timing of the left foot or a landing timing of the right foot based on the impact generation timing detected by the timing detection unit and the acceleration detected by the acceleration sensor.Type: GrantFiled: March 26, 2018Date of Patent: October 6, 2020Assignees: ALPS ALPINE CO., LTD., JINS HOLDINGS Inc.Inventors: Yukimitsu Yamada, Susumu Nakamura, Shunsuke Shioya
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Patent number: 10794706Abstract: A position detection system according to an embodiment of the present invention includes a plurality of fixed stations 20; and a sensor unit 10 including an inertial sensor that detects movement history of a mobile body 51 and a distance sensor that detects separation distances between the mobile body 51 and the fixed stations 20. A position of the mobile body 51 is determined by detecting a first arrival position P1 obtained based on the movement history, a second arrival position P2 obtained based on the separation distances, and a relative distance L1 between the first arrival position P1 and the second arrival position P2, and by comparing a range value R1 obtained based on the movement history with the relative distance L1. The range value R1 is changed based on the movement history.Type: GrantFiled: May 16, 2018Date of Patent: October 6, 2020Assignee: ALPS ALPINE CO., LTD.Inventors: Keigo Wakana, Yukimitsu Yamada, Daisuke Takai
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Patent number: 10760904Abstract: Accelerations (Ax, Ay, Az) in directions along (X?, Y?, Z?) detected by an acceleration sensor 10 are converted, based on a correction angle ?, which is an angle between a first detection axis X? and a first posture axis X, into accelerations (Bx By, Bz) in directions along three posture axes (X, Y, Z). A pitch angle ? and a roll angle ?, which indicate a posture of a portion to which the wearable device is attached, are calculated based on the accelerations (Bx By, Bz) obtained by the conversion based on the correction angle ?.Type: GrantFiled: April 5, 2018Date of Patent: September 1, 2020Assignee: ALPS ALPINE CO., LTD.Inventors: Yukimitsu Yamada, Daisuke Takai
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Patent number: 10710552Abstract: A smart keyless entry system having an on-vehicle apparatus installed in a vehicle and a portable device configured to communicate with the on-vehicle apparatus includes a location calculating unit configured to calculate a location of the portable device through communication between the on-vehicle apparatus and the portable device, and a vertical-position calculating unit configured to calculate a vertical position of the portable device, wherein the on-vehicle apparatus and the portable device communicate with each other under conditions adjusted in response to the calculated vertical position of the portable device, and wherein control is performed based on the calculated location of the portable device.Type: GrantFiled: February 21, 2019Date of Patent: July 14, 2020Assignee: ALPS ALPINE CO., LTD.Inventors: Yukimitsu Yamada, Daisuke Takai