Patents by Inventor Masahiro Segami

Masahiro Segami 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).

  • Patent number: 11902686
    Abstract: A photodetection device according to the present disclosure includes: a first pixel that is configured to generate a first pixel signal; a reference signal generator that is configured to generate a reference signal; and a first converter that includes a first buffer circuit and a first comparison circuit and is configured to convert the first pixel signal into a digital code, the first buffer circuit configured to output a first signal corresponding to the reference signal from an output terminal, and the first comparison circuit configured to perform a comparison operation on the basis of the first pixel signal and the first signal.
    Type: Grant
    Filed: March 18, 2020
    Date of Patent: February 13, 2024
    Assignee: Sony Semiconductor Solutions Corporation
    Inventors: Youhei Oosako, Yosuke Ueno, Masahiro Segami
  • Publication number: 20240014810
    Abstract: A semiconductor circuit according to an embodiment of the present disclosure includes a nonvolatile latch circuit that stores k-bit data, and m-bit error correction data for the k-bit data.
    Type: Application
    Filed: November 10, 2021
    Publication date: January 11, 2024
    Inventors: LUI SAKAI, YASUO KANDA, MASAHIRO SEGAMI, KEIZO HIRAGA
  • Patent number: 11800257
    Abstract: In a solid-state imaging element in which AD conversion using a reference signal is performed, power consumption of a circuit that generates the reference signal is reduced. A pixel section outputs a pixel signal based on the light amount of incident light. A reference signal supply section generates a first reference signal and a second reference signal. A comparison section includes a first differential pair transistor to which the pixel signal and a signal based on the first reference signal are inputted and a second differential pair transistor to which the second reference signal is inputted. A counter section performs counting on the basis of a signal from the comparison section.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: October 24, 2023
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Masahiro Segami, Tomonori Yamashita, Youhei Oosako
  • Publication number: 20230246622
    Abstract: [Object] To suppress distortion of a three-dimensional resistor. [Solving Means] The electronic circuit includes a first resistor and a second resistor. The first resistor has a configuration of a resistor for a voltage between a first terminal and a second terminal thereof, and the first terminal is connected directly or indirectly to an input of the electronic circuit. The second resistor has a configuration of a resistor for a voltage between a first terminal and a second terminal thereof, and the first terminal is connected directly or indirectly to the second terminal of the first resistor. In the electronic circuit, the second terminal of the second resistor is connected directly or indirectly to a third terminal through which a resistance value of the first resistor is varied by a voltage.
    Type: Application
    Filed: June 23, 2021
    Publication date: August 3, 2023
    Inventors: SHUN NAGATA, MASAHIRO SEGAMI
  • Patent number: 11402501
    Abstract: A detectable range is increased in a radar apparatus that measures a distance from a round-trip time of a sound wave. A transmitting unit transmits a plurality of sound waves including different frequency components in order. A receiving unit receives reflected waves obtained as the plurality of sound waves is reflected. An analyzing unit analyzes a frequency component of each of the reflected waves and identifies, for each reflected wave, the sound wave corresponding to the reflected wave among the plurality of sound waves on the basis of the analysis result. A ranging unit acquires a distance corresponding to a period of time from a transmission time of the sound wave corresponding to the reflected wave to a reception time of the reflected wave.
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: August 2, 2022
    Assignee: SONY SEMICONDUCTOR SOLUTIONS CORPORATION
    Inventors: Masahiro Segami, Yuki Yagishita
  • Patent number: 11390130
    Abstract: A vehicle control apparatus according to an embodiment of the present technology includes a control unit. The control unit generates a control signal for controlling behavior of a vehicle body on a basis of a first acceleration detection signal and a second acceleration detection signal, the first acceleration detection signal including information relating to an acceleration acting on the vehicle body, the first acceleration detection signal having an alternating current waveform corresponding to the acceleration, the second acceleration detection signal including information relating to the acceleration, the second acceleration detection signal having an output waveform, an alternating current component corresponding to the acceleration being superimposed on a direct current component in the output waveform.
    Type: Grant
    Filed: January 10, 2018
    Date of Patent: July 19, 2022
    Assignee: SONY CORPORATION
    Inventors: Hidetoshi Kabasawa, Kosei Yamashita, Sho Murakoshi, Tomohiro Matsumoto, Masahiro Segami
  • Publication number: 20220201232
    Abstract: A photodetection device according to the present disclosure includes: a first pixel that is configured to generate a first pixel signal; a reference signal generator that is configured to generate a reference signal; and a first comparator including a first power supply circuit and a first comparison circuit, the first power supply circuit configured to generate a first power supply voltage on the basis of a power supply voltage supplied from a first power supply node and a bias voltage and configured to output the first power supply voltage from an output terminal, and the first comparison circuit configured to operate on the basis of the first power supply voltage and configured to perform a comparison operation on the basis of the first pixel signal and the reference signal.
    Type: Application
    Filed: March 6, 2020
    Publication date: June 23, 2022
    Inventors: Youhei Oosako, Yusuke Ikeda, Yosuke Ueno, Masahiro Segami
  • Publication number: 20220150437
    Abstract: A photodetection device according to the present disclosure includes: a first pixel that is configured to generate a first pixel signal; a reference signal generator that is configured to generate a reference signal; and a first converter that includes a first buffer circuit and a first comparison circuit and is configured to convert the first pixel signal into a digital code, the first buffer circuit configured to output a first signal corresponding to the reference signal from an output terminal, and the first comparison circuit configured to perform a comparison operation on the basis of the first pixel signal and the first signal.
    Type: Application
    Filed: March 18, 2020
    Publication date: May 12, 2022
    Inventors: Youhei Oosako, Yosuke Ueno, Masahiro Segami
  • Patent number: 11243228
    Abstract: A motion measurement apparatus according to an embodiment of the present technology includes a controller unit. The controller unit extracts, from an acceleration in each direction of three axes that includes a dynamic acceleration component and a static acceleration component of a detection target that moves within a space, the dynamic acceleration component of the detection target, and generates, as a control signal, a change in kinematic physical quantity of a posture of the detection target from the dynamic acceleration component.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: February 8, 2022
    Assignee: Sony Corporation
    Inventors: Kosei Yamashita, Hidetoshi Kabasawa, Sho Murakoshi, Tomohiro Matsumoto, Masahiro Segami
  • Publication number: 20210297622
    Abstract: In a solid-state imaging element in which AD conversion using a reference signal is performed, power consumption of a circuit that generates the reference signal is reduced. A pixel section outputs a pixel signal based on the light amount of incident light. A reference signal supply section generates a first reference signal and a second reference signal. A comparison section includes a first differential pair transistor to which the pixel signal and a signal based on the first reference signal are inputted and a second differential pair transistor to which the second reference signal is inputted. A counter section performs counting on the basis of a signal from the comparison section.
    Type: Application
    Filed: April 26, 2019
    Publication date: September 23, 2021
    Inventors: MASAHIRO SEGAMI, TOMONORI YAMASHITA, YOUHEI OOSAKO
  • Patent number: 11123603
    Abstract: A motion measurement apparatus according to an embodiment of the present technology includes a detector unit, a controller unit, and an output unit. The detector unit is to be attached to a detection target and detects velocity-related information, the velocity-related information being related to temporal changes in velocities in three-axis directions of the detection target being in motion in a space. The controller unit extracts a motion feature amount including one or a plurality of kinematic physical quantities of the detection target on the basis of the velocity-related information. The output unit generates a perceivable measurement signal that changes depending on the motion feature amount.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: September 21, 2021
    Assignee: Sony Corporation
    Inventors: Masahiro Segami, Hidetoshi Kabasawa, Kosei Yamashita, Sho Murakoshi, Tomohiro Matsumoto
  • Patent number: 11003054
    Abstract: A control unit generates a first control signal for camera shake correction on the basis of a first acceleration detection signal, a second acceleration detection signal, and an angular velocity signal. The first acceleration detection signal including information relating to an acceleration acting on a camera and has an alternating current (AC) waveform corresponding to the acceleration. The second acceleration detection signal including information relating to the acceleration and has an output waveform. An AC component corresponding to the acceleration is superimposed on a direct current (DC) component in the output waveform. The angular velocity signal including information relating to an angular velocity acting on the camera.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: May 11, 2021
    Assignee: SONY CORPORATION
    Inventors: Hidetoshi Kabasawa, Kosei Yamashita, Sho Murakoshi, Tomohiro Matsumoto, Masahiro Segami
  • Patent number: 10969662
    Abstract: A posture control apparatus, comprising a control unit that determines, on a basis of a static acceleration component, a gravity direction in a holding apparatus holding an object to be held, the static acceleration component being computed on a basis of a first acceleration detection signal and a second acceleration detection signal, the first acceleration detection signal being acquired by detecting a dynamic acceleration component acting on the holding apparatus, the second acceleration detection signal being acquired by detecting the dynamic acceleration component and the static acceleration component acting on the holding apparatus, and controls, by controlling posture of the holding apparatus on a basis of the gravity direction, posture of the object to be held.
    Type: Grant
    Filed: November 14, 2017
    Date of Patent: April 6, 2021
    Assignee: Sony Corporation
    Inventors: Sho Murakoshi, Hidetoshi Kabasawa, Tomohiro Matsumoto, Masahiro Segami, Kosei Yamashita
  • Patent number: 10962989
    Abstract: An attitude control device is provided and includes a control unit that determines a gravity direction in a flying object on a basis of static acceleration components computed on a basis of a first acceleration detection signal obtained by detecting dynamic acceleration components acting on the flying object and a second acceleration detection signal obtained by detecting the dynamic acceleration components and the static acceleration components acting on the flying object, and controls an attitude of the flying object on a basis of the gravity direction.
    Type: Grant
    Filed: January 9, 2018
    Date of Patent: March 30, 2021
    Assignee: Sony Corporation
    Inventors: Sho Murakoshi, Hidetoshi Kabasawa, Tomohiro Matsumoto, Masahiro Segami, Kosei Yamashita
  • Publication number: 20200041877
    Abstract: [Object] To provide a technology capable of accurately controlling posture of an object to be held. [Solving Means] A posture control apparatus according to the present technology includes a control unit. The control unit determines, on the basis of a static acceleration component, a gravity direction in a holding apparatus holding an object to be held, the static acceleration component being computed on the basis of a first acceleration detection signal and a second acceleration detection signal, the first acceleration detection signal being acquired by detecting a dynamic acceleration component acting on the holding apparatus, the second acceleration detection signal being acquired by detecting the dynamic acceleration component and the static acceleration component acting on the holding apparatus, and controls, by controlling posture of the holding apparatus on the basis of the gravity direction, posture of the object to be held.
    Type: Application
    Filed: November 14, 2017
    Publication date: February 6, 2020
    Inventors: Sho MURAKOSHI, Hidetoshi KABASAWA, Tomohiro MATSUMOTO, Masahiro SEGAMI, Kosei YAMASHITA
  • Publication number: 20190391598
    Abstract: [Object] To provide a technology capable of accurately controlling an attitude of a flying object. [Solving Means] An attitude control device according to the technology includes a control unit. The control unit determines a gravity direction in a flying object on the basis of static acceleration components computed on the basis of a first acceleration detection signal obtained by detecting dynamic acceleration components acting on the flying object and a second acceleration detection signal obtained by detecting the dynamic acceleration components and the static acceleration components acting on the flying object, and controls an attitude of the flying object on the basis of the gravity direction. [Selected Drawing] FIG.
    Type: Application
    Filed: January 9, 2018
    Publication date: December 26, 2019
    Inventors: Sho MURAKOSHI, Hidetoshi KABASAWA, Tomohiro MATSUMOTO, Masahiro SEGAMI, Kosei YAMASHITA
  • Publication number: 20190369237
    Abstract: A detectable range is increased in a radar apparatus that measures a distance from a round-trip time of a sound wave. A transmitting unit transmits a plurality of sound waves including different frequency components in order. A receiving unit receives reflected waves obtained as the plurality of sound waves is reflected. An analyzing unit analyzes a frequency component of each of the reflected waves and identifies, for each reflected wave, the sound wave corresponding to the reflected wave among the plurality of sound waves on the basis of the analysis result. A ranging unit acquires a distance corresponding to a period of time from a transmission time of the sound wave corresponding to the reflected wave to a reception time of the reflected wave.
    Type: Application
    Filed: November 15, 2017
    Publication date: December 5, 2019
    Inventors: MASAHIRO SEGAMI, YUKI YAGISHITA
  • Publication number: 20190331983
    Abstract: [Object] Provided are a camera control device and an imaging device capable of improving camera shake correction accuracy. [Solving Means] A camera control device according to an aspect of the present technology includes a control unit.
    Type: Application
    Filed: December 13, 2017
    Publication date: October 31, 2019
    Inventors: HIDETOSHI KABASAWA, KOSEI YAMASHITA, SHO MURAKOSHI, TOMOHIRO MATSUMOTO, MASAHIRO SEGAMI
  • Publication number: 20190308481
    Abstract: A vehicle control apparatus according to an embodiment of the present technology includes a control unit. The control unit generates a control signal for controlling behavior of a vehicle body on a basis of a first acceleration detection signal and a second acceleration detection signal, the first acceleration detection signal including information relating to an acceleration acting on the vehicle body, the first acceleration detection signal having an alternating current waveform corresponding to the acceleration, the second acceleration detection signal including information relating to the acceleration, the second acceleration detection signal having an output waveform, an alternating current component corresponding to the acceleration being superimposed on a direct current component in the output waveform.
    Type: Application
    Filed: January 10, 2018
    Publication date: October 10, 2019
    Inventors: HIDETOSHI KABASAWA, KOSEI YAMASHITA, SHO MURAKOSHI, TOMOHIRO MATSUMOTO, MASAHIRO SEGAMI
  • Publication number: 20190265270
    Abstract: An information processing system according to an embodiment of the present technology includes a controller unit. The controller unit calculates, on a basis of a dynamic acceleration component and a static acceleration component of a detection target moving within a space that are extracted from an acceleration in each direction of three axes of the detection target, a temporal change of the dynamic acceleration component with respect to the static acceleration component, and determines a motion of the detection target on a basis of the temporal change of the dynamic acceleration component.
    Type: Application
    Filed: September 25, 2017
    Publication date: August 29, 2019
    Inventors: Kosei YAMASHITA, Hidetoshi KABASAWA, Sho MURAKOSHI, Tomohiro MATSUMOTO, Masahiro SEGAMI