Patents by Inventor Yoshikazu Nitta

Yoshikazu Nitta 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: 10057531
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: August 21, 2018
    Assignee: Sony Corporation
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Publication number: 20180234654
    Abstract: A solid-state imaging element including pixel signal read lines, and a pixel signal reading unit for reading pixel signals from a pixel unit via the pixel signal read line. The pixel unit includes a plurality of pixels arranged in a matrix form, each pixel including a photoelectric conversion element. In the pixel unit, a shared pixel in which an output node is shared among a plurality of pixels is formed, and a pixel signal of each pixel in the shared pixel is capable of being selectively output from the shared output node to a corresponding one of the pixel signal read lines. The pixel signal reading unit sets a bias voltage for a load element which is connected to the pixel signal read line and in which current dependent on a bias voltage flows in the load element, to a voltage causing a current value to be higher than current upon a reference bias voltage when there is no difference between added charge amounts, when addition of pixel signals of the respective pixels in the shared pixel is driven.
    Type: Application
    Filed: April 6, 2018
    Publication date: August 16, 2018
    Applicant: Sony Corporation
    Inventors: Yuichi Kato, Yoshikazu Nitta, Noriyuki Fukushima, Takashi Suenaga, Toshiyuki Sugita
  • Publication number: 20180184032
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Application
    Filed: February 9, 2018
    Publication date: June 28, 2018
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Patent number: 9973718
    Abstract: A solid-state imaging element including pixel signal read lines, and a pixel signal reading unit for reading pixel signals from a pixel unit via the pixel signal read line. The pixel unit includes a plurality of pixels arranged in a matrix form, each pixel including a photoelectric conversion element. In the pixel unit, a shared pixel in which an output node is shared among a plurality of pixels is formed, and a pixel signal of each pixel in the shared pixel is capable of being selectively output from the shared output node to a corresponding one of the pixel signal read lines. The pixel signal reading unit sets a bias voltage for a load element which is connected to the pixel signal read line and in which current dependent on a bias voltage flows in the load element, to a voltage causing a current value to be higher than current upon a reference bias voltage when there is no difference between added charge amounts, when addition of pixel signals of the respective pixels in the shared pixel is driven.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: May 15, 2018
    Assignee: SONY CORPORATION
    Inventors: Yuichi Kato, Yoshikazu Nitta, Noriyuki Fukushima, Takashi Suenaga, Toshiyuki Sugita
  • Publication number: 20180123608
    Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.
    Type: Application
    Filed: December 18, 2017
    Publication date: May 3, 2018
    Inventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
  • Patent number: 9942505
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Grant
    Filed: July 7, 2017
    Date of Patent: April 10, 2018
    Assignee: Sony Corporation
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Patent number: 9882574
    Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.
    Type: Grant
    Filed: December 21, 2015
    Date of Patent: January 30, 2018
    Assignee: Sony Corporation
    Inventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
  • Publication number: 20170310915
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Application
    Filed: July 7, 2017
    Publication date: October 26, 2017
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Patent number: 9769411
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: September 19, 2017
    Assignee: Sony Corporation
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Publication number: 20160373677
    Abstract: A solid-state imaging element including pixel signal read lines, and a pixel signal reading unit for reading pixel signals from a pixel unit via the pixel signal read line. The pixel unit includes a plurality of pixels arranged in a matrix form, each pixel including a photoelectric conversion element. In the pixel unit, a shared pixel in which an output node is shared among a plurality of pixels is formed, and a pixel signal of each pixel in the shared pixel is capable of being selectively output from the shared output node to a corresponding one of the pixel signal read lines. The pixel signal reading unit sets a bias voltage for a load element which is connected to the pixel signal read line and in which current dependent on a bias voltage flows in the load element, to a voltage causing a current value to be higher than current upon a reference bias voltage when there is no difference between added charge amounts, when addition of pixel signals of the respective pixels in the shared pixel is driven.
    Type: Application
    Filed: August 30, 2016
    Publication date: December 22, 2016
    Inventors: YUICHI KATO, YOSHIKAZU NITTA, NORIYUKI FUKISHIMA, TAKASHI SUENAGA, TOSHIYUKI SUGITA
  • Patent number: 9497401
    Abstract: A solid-state imaging element including pixel signal read lines, and a pixel signal reading unit for reading pixel signals from a pixel unit via the pixel signal read line. The pixel unit includes a plurality of pixels arranged in a matrix form, each pixel including a photoelectric conversion element. In the pixel unit, a shared pixel in which an output node is shared among a plurality of pixels is formed, and a pixel signal of each pixel in the shared pixel is capable of being selectively output from the shared output node to a corresponding one of the pixel signal read lines. The pixel signal reading unit sets a bias voltage for a load element which is connected to the pixel signal read line and in which current dependent on a bias voltage flows in the load element, to a voltage causing a current value to be higher than current upon a reference bias voltage when there is no difference between added charge amounts, when addition of pixel signals of the respective pixels in the shared pixel is driven.
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: November 15, 2016
    Assignee: SONY CORPORATION
    Inventors: Yuichi Kato, Yoshikazu Nitta, Noriyuki Fukushima, Takashi Suenaga, Toshiyuki Sugita
  • Patent number: 9485447
    Abstract: An image pickup apparatus for photographing an image, includes: a photoelectric converter to convert incident light an electric charge and accumulate the electric charge, a transfer element to transfer the electric charge accumulated in the photoelectric converter, a converter to convert the electric charge in the photoelectric converter transferred via the transfer element into a voltage, a reset element to reset potentials of the converter, and an amplifier to amplify a voltage converted by the converter to generate a pixel signal and output the pixel signal to a read signal line for reading the pixel signal. A plurality of the photoelectric converter and the transfer element are disposed at least in a horizontal direction share the amplifier and the read signal line.
    Type: Grant
    Filed: April 7, 2016
    Date of Patent: November 1, 2016
    Assignee: Sony Corporation
    Inventors: Koji Mishina, Yoshikazu Nitta
  • Publication number: 20160295145
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the_analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Application
    Filed: June 13, 2016
    Publication date: October 6, 2016
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Patent number: 9414000
    Abstract: An image pickup apparatus for photographing an image, includes: a photoelectric converter to convert incident light an electric charge and accumulate the electric charge, a transfer element to transfer the electric charge accumulated in the photoelectric converter, a converter to convert the electric charge in the photoelectric converter transferred via the transfer element into a voltage, a reset element to reset potentials of the converter, and an amplifier to amplify a voltage converted by the converter to generate a pixel signal and output the pixel signal to a read signal line for reading the pixel signal. A plurality of the photoelectric converter and the transfer element are disposed at least in a horizontal direction share the amplifier and the read signal line.
    Type: Grant
    Filed: October 21, 2015
    Date of Patent: August 9, 2016
    Assignee: SONY CORPORATION
    Inventors: Koji Mishina, Yoshikazu Nitta
  • Publication number: 20160227146
    Abstract: An image pickup apparatus for photographing an image, includes: a photoelectric converter to convert incident light an electric charge and accumulate the electric charge, a transfer element to transfer the electric charge accumulated in the photoelectric converter, a converter to convert the electric charge in the photoelectric converter transferred via the transfer element into a voltage, a reset element to reset potentials of the converter, and an amplifier to amplify a voltage converted by the converter to generate a pixel signal and output the pixel signal to a read signal line for reading the pixel signal. A plurality of the photoelectric converter and the transfer element are disposed at least in a horizontal direction share the amplifier and the read signal line.
    Type: Application
    Filed: April 7, 2016
    Publication date: August 4, 2016
    Inventors: Koji Mishina, Yoshikazu Nitta
  • Publication number: 20160218731
    Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.
    Type: Application
    Filed: December 21, 2015
    Publication date: July 28, 2016
    Inventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano
  • Patent number: 9392200
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: July 12, 2016
    Assignee: SONY CORPORATION
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Patent number: 9313435
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Grant
    Filed: June 3, 2014
    Date of Patent: April 12, 2016
    Assignee: Sony Corporation
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Publication number: 20160088252
    Abstract: A system and method for driving a solid-state image pickup device including a pixel array unit including unit pixels. Each unit pixel includes a photoelectric converter, column signal lines and a number of analog-digital converting units. The unit pixels are selectively controlled in units of rows. Analog signals output from the unit pixels in a row selected by the selective control though the column signal lines are converted to digital signals via the analog-digital converting units. The digital signals are added among a number of unit pixels via the analog-digital converting units. The added digital signals from the analog-digital converting units are read. Each unit pixel in the pixel array unit is selectively controlled in units of arbitrary rows, the analog-distal converting units being operable to performing the converting in a (a) normal-frame-rate mode and a (b) high-frame-rate mode in response to control signals.
    Type: Application
    Filed: December 2, 2015
    Publication date: March 24, 2016
    Inventors: Yoshikazu Nitta, Noriyuki Fukushima, Yoshinori Muramatsu, Yukihiko Yasui
  • Patent number: 9264057
    Abstract: A DA converter includes a first DA conversion section for obtaining an analog output signal in accordance with a digital input signal value, and a second DA conversion section for obtaining an analog gain control output signal in accordance with a digital gain control input signal value. In the DA converter, the gain control of the analog output signal generated by the first DA conversion section is performed on the basis of the gain control output signal generated by the second DA conversion section.
    Type: Grant
    Filed: January 17, 2014
    Date of Patent: February 16, 2016
    Assignee: Sony Corporation
    Inventors: Go Asayama, Noriyuki Fukushima, Yoshikazu Nitta, Yoshinori Muramatsu, Kiyotaka Amano