Patents by Inventor Norihiko Akamatsu

Norihiko Akamatsu 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: 11792534
    Abstract: A signal processing device, on the basis of an image capture signal acquired by an image capture device provided with an anamorphic lens, performs a detection process each in a vertical direction of the anamorphic lens and in a horizontal direction of the anamorphic lens.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 17, 2023
    Inventors: Yoshitaka Miyatani, Norihiko Akamatsu, Noriaki Kozuka, Shinichi Fujii, Genta Yagyu
  • Patent number: 11729500
    Abstract: A lowpass filter control apparatus of the present disclosure includes a lowpass filter controller that causes lowpass characteristics of a variable lowpass filter disposed in an optical path of incoming light into an imaging element including phase-difference pixels and normal pixels to be different for an exposure period of the normal pixels and an exposure period of the phase-difference pixels.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: August 15, 2023
    Assignee: SONY GROUP CORPORATION
    Inventor: Norihiko Akamatsu
  • Publication number: 20230018868
    Abstract: An image processing device performs a combining process of disposing a second image in a first image captured by a first imaging device, the second image being an image of the imaging field of view of a second imaging device capable of imaging a partial field of view in the imaging field of view of the first imaging device.
    Type: Application
    Filed: October 30, 2020
    Publication date: January 19, 2023
    Inventors: KAZUYA SENTO, HIROKI TAKAHARA, NORIHIKO AKAMATSU
  • Patent number: 11467482
    Abstract: A signal processing device performs a displaying process in a display unit on the basis of a parameter being predetermined in an image capture device provided with an anamorphic lens.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: October 11, 2022
    Assignee: SONY CORPORATION
    Inventors: Norihiko Akamatsu, Yoshitaka Miyatani
  • Publication number: 20220121100
    Abstract: A signal processing device performs a displaying process in a display unit on the basis of a parameter being predetermined in an image capture device provided with an anamorphic lens.
    Type: Application
    Filed: July 19, 2019
    Publication date: April 21, 2022
    Inventors: NORIHIKO AKAMATSU, YOSHITAKA MIYATANI
  • Publication number: 20220014672
    Abstract: A lowpass filter control apparatus of the present disclosure includes a lowpass filter controller that causes lowpass characteristics of a variable lowpass filter disposed in an optical path of incoming light into an imaging element including phase-difference pixels and normal pixels to be different for an exposure period of the normal pixels and an exposure period of the phase-difference pixels.
    Type: Application
    Filed: September 23, 2021
    Publication date: January 13, 2022
    Inventor: NORIHIKO AKAMATSU
  • Patent number: 11159710
    Abstract: A lowpass filter control apparatus of the present disclosure includes a lowpass filter controller that causes lowpass characteristics of a variable lowpass filter disposed in an optical path of incoming light into an imaging element including phase-difference pixels and normal pixels to be different for an exposure period of the normal pixels and an exposure period of the phase-difference pixels.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: October 26, 2021
    Assignee: SONY CORPORATION
    Inventor: Norihiko Akamatsu
  • Patent number: 11064144
    Abstract: The present technology relates to an imaging element, an imaging apparatus, and electronic equipment which are capable of accurately detecting phase difference. The imaging element includes a first light-receiving part that receives incident light entering through a first on-chip lens, a first phase detecting pixel which is placed between the first on-chip lens and the first light-receiving part and which has a shading film to limit an amount of light reaching the first light-receiving part, and a second phase detecting pixel which has a second light-receiving part to receive incident light entering through a second on-chip lens, with the second light-receiving part being divided into a plurality of light-receiving regions. The technique disclosed herein is applicable to imaging apparatuses having the autofocusing function.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: July 13, 2021
    Assignee: SONY CORPORATION
    Inventors: Masahiko Nakamura, Norihiko Akamatsu
  • Publication number: 20210203841
    Abstract: A signal processing device, on the basis of an image capture signal acquired by an image capture device provided with an anamorphic lens, performs a detection process each in a vertical direction of the anamorphic lens and in a horizontal direction of the anamorphic lens.
    Type: Application
    Filed: July 18, 2019
    Publication date: July 1, 2021
    Inventors: YOSHITAKA MIYATANI, NORIHIKO AKAMATSU, NORIAKI KOZUKA, SHINICHI FUJII, GENTA YAGYU
  • Publication number: 20210144291
    Abstract: A lowpass filter control apparatus of the present disclosure includes a lowpass filter controller that causes lowpass characteristics of a variable lowpass filter disposed in an optical path of incoming light into an imaging element including phase-difference pixels and normal pixels to be different for an exposure period of the normal pixels and an exposure period of the phase-difference pixels.
    Type: Application
    Filed: January 19, 2017
    Publication date: May 13, 2021
    Inventor: NORIHIKO AKAMATSU
  • Publication number: 20190289235
    Abstract: The present technology relates to an imaging element, an imaging apparatus, and electronic equipment which are capable of accurately detecting phase difference. The imaging element includes a first light-receiving part that receives incident light entering through a first on-chip lens, a first phase detecting pixel which is placed between the first on-chip lens and the first light-receiving part and which has a shading film to limit an amount of light reaching the first light-receiving part, and a second phase detecting pixel which has a second light-receiving part to receive incident light entering through a second on-chip lens, with the second light-receiving part being divided into a plurality of light-receiving regions. The technique disclosed herein is applicable to imaging apparatuses having the autofocusing function.
    Type: Application
    Filed: May 23, 2017
    Publication date: September 19, 2019
    Inventors: MASAHIKO NAKAMURA, NORIHIKO AKAMATSU
  • Patent number: 9800772
    Abstract: There is provided a focus adjustment device including an image sensor including a plurality of phase difference detection pixels that each perform pupil division of a photographing lens, a correction value acquisition unit for acquiring a correction value for a focus position in a spatial frequency of a subject which is obtained by the image sensor, and a focus adjustment unit for adjusting a focus position of the photographing lens based on the correction value acquired by the correction value acquisition unit.
    Type: Grant
    Filed: June 6, 2013
    Date of Patent: October 24, 2017
    Assignee: SONY CORPORTAION
    Inventors: Yoshitaka Miyatani, Norihiko Akamatsu, Genta Yagyu
  • Patent number: 9554029
    Abstract: There is provided an imaging apparatus including a first focus detection unit that has a plurality of first focus detection areas in a photographed screen, and detects a first defocusing amount in the first focus detection areas, a second focus detection unit that has a plurality of second focus detection areas in a photographed screen, and detects a second defocusing amount in the second focus detection areas, a defocusing amount selection unit that selects which of the first defocusing amount detected by the first focus detection unit and the second defocusing amount detected by the second focus detection unit is used, and a focus control unit that performs focus control by moving a focus lens on the basis of the defocusing amount selected by the defocusing amount selection unit.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: January 24, 2017
    Assignee: SONY CORPORATION
    Inventors: Kenji Komori, Norihiko Akamatsu, Akifumi Mizukami
  • Patent number: 9219856
    Abstract: The present technology is provided to allow a user to easily recognize a subject to be given priority. A focusing target selection unit selects, from among a plurality of first focus detection areas in which a focus is detected by a first focus detection unit, an area to be focused as a focusing target area on the basis of a detected result of the focus in the first focus detection areas. A display area selection unit selects, from among a plurality of second focus detection areas in which a focus is detected by a second focus detection unit, an area to be displayed as a display area along with the focusing target area on the basis of a detected result of the focus in the plurality of second focus detection areas. A display control unit causes a display unit to display the display area.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: December 22, 2015
    Assignee: SONY CORPORATION
    Inventors: Norihiko Akamatsu, Akifumi Mizukami, Kenji Komori
  • Publication number: 20150222806
    Abstract: The present technology is provided to allow a user to easily recognize a subject to be given priority. A focusing target selection unit selects, from among a plurality of first focus detection areas in which a focus is detected by a first focus detection unit, an area to be focused as a focusing target area on the basis of a detected result of the focus in the first focus detection areas. A display area selection unit selects, from among a plurality of second focus detection areas in which a focus is detected by a second focus detection unit, an area to be displayed as a display area along with the focusing target area on the basis of a detected result of the focus in the plurality of second focus detection areas. A display control unit causes a display unit to display the display area.
    Type: Application
    Filed: June 11, 2013
    Publication date: August 6, 2015
    Applicant: SONY CORPORATION
    Inventors: Norihiko Akamatsu, Akifumi Mizukami, Kenji Komori
  • Publication number: 20150181106
    Abstract: There is provided an imaging apparatus including a first focus detection unit that has a plurality of first focus detection areas in a photographed screen, and detects a first defocusing amount in the first focus detection areas, a second focus detection unit that has a plurality of second focus detection areas in a photographed screen, and detects a second defocusing amount in the second focus detection areas, a defocusing amount selection unit that selects which of the first defocusing amount detected by the first focus detection unit and the second defocusing amount detected by the second focus detection unit is used, and a focus control unit that performs focus control by moving a focus lens on the basis of the defocusing amount selected by the defocusing amount selection unit.
    Type: Application
    Filed: July 9, 2013
    Publication date: June 25, 2015
    Inventors: Kenji Komori, Norihiko Akamatsu, Akifumi Mizukami
  • Publication number: 20140071318
    Abstract: There is provided an imaging apparatus including a first focus detection unit that is provided in an image sensor, and outputs a signal for phase difference focus detection by sensing subject image light that has passed through a photographing lens, and a second focus detection unit that is provided so as to be positioned above the image sensor, and outputs a signal for phase difference focus detection by sensing subject image light that has passed through the photographing lens.
    Type: Application
    Filed: August 14, 2013
    Publication date: March 13, 2014
    Applicant: SONY CORPORATION
    Inventors: Norihiko Akamatsu, Masahiko Nakamura, Kenji Komori
  • Publication number: 20140036134
    Abstract: There is provided a focus adjustment device including an image sensor including a plurality of phase difference detection pixels that each perform pupil division of a photographing lens, a correction value acquisition unit for acquiring a correction value for a focus position in a spatial frequency of a subject which is obtained by the image sensor, and a focus adjustment unit for adjusting a focus position of the photographing lens based on the correction value acquired by the correction value acquisition unit.
    Type: Application
    Filed: June 6, 2013
    Publication date: February 6, 2014
    Inventors: Yoshitaka MIYATANI, Norihiko AKAMATSU, Genta YAGYU
  • Patent number: 8508650
    Abstract: An image pickup system includes an image pickup apparatus and a mount adaptor that adjusts a flange focal length between the image pickup apparatus and an interchangeable lens. The mount adaptor includes a phase-difference focus detection unit that can output a first phase-difference focus detection signal, and an optical device that separates first incident light into second and third incident light. The first incident light is transmitted from the interchangeable lens. The second incident light enters the image pickup apparatus. The third incident light enters the phase-difference focus detection unit. The image pickup apparatus includes an image pickup device that can output a second phase-difference focus detection signal, and a controller that selects either of the first phase-difference focus detection signal and the second phase-difference focus detection signal on the basis of satisfaction of a predetermined condition and performs focusing.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: August 13, 2013
    Assignee: Sony Corporation
    Inventors: Norihiko Akamatsu, Yoshitaka Miyatani
  • Patent number: 8503871
    Abstract: An imaging system includes an imaging apparatus which is provided with an imaging device and a mount adaptor which adjusts a flange focal length between the imaging apparatus and an interchangeable lens, wherein the mount adaptor is provided with a phase difference focus detection section which performs focus detection from a phase difference and an optical device which splits incident light from the interchangeable lens into incident light of the imaging device and incident light of the phase difference focus detection section, and the imaging apparatus is provided with a contrast focus detection section which performs focus detection from contrast using the imaging device, an adjustment section which adjusts the focus position of the phase difference focus detection section, and an adjustment control section which activates adjustment control of the focus position using detection of the mounting of the mount adaptor and the interchangeable lens.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: August 6, 2013
    Assignee: Sony Corporation
    Inventors: Nobuharu Murashima, Makibi Nakamura, Norihiko Akamatsu