Patents by Inventor Tetsuji Nakaseko

Tetsuji Nakaseko 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: 9538103
    Abstract: A signal processing unit includes: a synchronizing signal control section configured to control length of a synchronizing signal for a predetermined row in a frame, in which the synchronizing signal serves as a basis of charge read processing that reads charge from a pixel array on a row basis; and a timing adjustment section configured to adjust timing of electronic shutter operation of unit pixels, according to the length of the synchronizing signal for the predetermined row controlled by the synchronizing signal control section.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: January 3, 2017
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 9363453
    Abstract: A solid-state imaging device includes: a pixel section wherein pixels including photoelectric conversion devices are arranged in a matrix; and a pixel driving section including a row selection circuit which controls the pixels to perform an electronic shutter operation and readout of the pixel section. The row selection circuit has a function of selecting a readout row from which a signal is read out and a shutter row on which reset is performed by discharging charge accumulated in the photoelectric conversion devices, in accordance with address and control signals. The row selection circuit can set, in accordance with the address and control signals, in the pixels of the selected row, at least a readout state, a discharge state where a smaller amount of the charge accumulated in the photoelectric conversion devices than the reset is discharged, an electronic shutter state, and a charge state where the charge is accumulated in the photoelectric conversion devices.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: June 7, 2016
    Assignee: SONY CORPORATION
    Inventors: Eiji Makino, Tetsuji Nakaseko, Ryoji Eki, Youji Sakioka
  • Patent number: 9204064
    Abstract: A solid-state imaging device includes: a pixel section in which a plurality of pixels including a photoelectric conversion element are arranged in a matrix; a pixel driving section that drives the pixels in a row unit so as to read out a pixel signal from the pixel section; a column processing section that performs a column process, synchronized with a first clock of a first frequency previously selected, on the pixel signal read out by driving of the pixel driving section; and a rate conversion control section that performs a rate conversion control of data processed in the column processing section in accordance with rate conversion information. The rate conversion control section includes a first rate converter, a second rate converter, a data rate conversion section, and a data output section.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: December 1, 2015
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 9160943
    Abstract: There is provided an imaging apparatus including a correction section configured to amplify an addition pixel value, which is a value obtained by adding results of photoelectric conversion on a plurality of pixels, according to an amplification factor set based on a number of defective pixels included in the plurality of pixels, and output the amplified addition pixel value as a corrected addition pixel value.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: October 13, 2015
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 9113087
    Abstract: Disclosed herein is a solid-state image pickup element, including a pixel portion in which plural pixels each including a photoelectric conversion element for converting an optical signal into an electrical signal and accumulating therein the resulting electrical signal in accordance with an exposure period of time are disposed in a matrix; and a pixel driving portion adapted to control operations of the pixels in rows so as to carry out an electronic shutter operation and a reading operation of the pixel portion.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: August 18, 2015
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Publication number: 20150109502
    Abstract: A solid-state imaging device includes: a pixel section wherein pixels including photoelectric conversion devices are arranged in a matrix; and a pixel driving section including a row selection circuit which controls the pixels to perform an electronic shutter operation and readout of the pixel section. The row selection circuit has a function of selecting a readout row from which a signal is read out and a shutter row on which reset is performed by discharging charge accumulated in the photoelectric conversion devices, in accordance with address and control signals. The row selection circuit can set, in accordance with the address and control signals, in the pixels of the selected row, at least a readout state, a discharge state where a smaller amount of the charge accumulated in the photoelectric conversion devices than the reset is discharged, an electronic shutter state, and a charge state where the charge is accumulated in the photoelectric conversion devices.
    Type: Application
    Filed: December 30, 2014
    Publication date: April 23, 2015
    Inventors: Eiji Makino, Tetsuji Nakaseko, Ryoji Eki, Youji Sakioka
  • Patent number: 8970753
    Abstract: A solid-state imaging device includes: a pixel section wherein pixels including photoelectric conversion devices are arranged in a matrix; and a pixel driving section including a row selection circuit which controls the pixels to perform an electronic shutter operation and readout of the pixel section. The row selection circuit has a function of selecting a readout row from which a signal is read out and a shutter row on which reset is performed by discharging charge accumulated in the photoelectric conversion devices, in accordance with address and control signals. The row selection circuit can set, in accordance with the address and control signals, in the pixels of the selected row, at least a readout state, a discharge state where a smaller amount of the charge accumulated in the photoelectric conversion devices than the reset is discharged, an electronic shutter state, and a charge state where the charge is accumulated in the photoelectric conversion devices.
    Type: Grant
    Filed: June 13, 2011
    Date of Patent: March 3, 2015
    Assignee: Sony Corporation
    Inventors: Eiji Makino, Tetsuji Nakaseko, Ryoji Eki, Youji Sakioka
  • Publication number: 20140333810
    Abstract: A solid-state imaging device includes: a pixel section in which a plurality of pixels including a photoelectric conversion element are arranged in a matrix; a pixel driving section that drives the pixels in a row unit so as to read out a pixel signal from the pixel section; a column processing section that performs a column process, synchronized with a first clock of a first frequency previously selected, on the pixel signal read out by driving of the pixel driving section; and a rate conversion control section that performs a rate conversion control of data processed in the column processing section in accordance with rate conversion information. The rate conversion control section includes a first rate converter, a second rate converter, a data rate conversion section, and a data output section.
    Type: Application
    Filed: July 24, 2014
    Publication date: November 13, 2014
    Inventor: Tetsuji Nakaseko
  • Publication number: 20140300787
    Abstract: Disclosed herein is a solid-state image pickup element, including a pixel portion in which plural pixels each including a photoelectric conversion element for converting an optical signal into an electrical signal and accumulating therein the resulting electrical signal in accordance with an exposure period of time are disposed in a matrix; and a pixel driving portion adapted to control operations of the pixels in rows so as to carry out an electronic shutter operation and a reading operation of the pixel portion.
    Type: Application
    Filed: June 20, 2014
    Publication date: October 9, 2014
    Inventor: Tetsuji Nakaseko
  • Publication number: 20140240563
    Abstract: A signal processing unit includes: a synchronizing signal control section configured to control length of a synchronizing signal for a predetermined row in a frame, in which the synchronizing signal serves as a basis of charge read processing that reads charge from a pixel array on a row basis; and a timing adjustment section configured to adjust timing of electronic shutter operation of unit pixels, according to the length of the synchronizing signal for the predetermined row controlled by the synchronizing signal control section.
    Type: Application
    Filed: February 20, 2014
    Publication date: August 28, 2014
    Applicant: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 8804019
    Abstract: A solid-state imaging device includes: a pixel section in which a plurality of pixels including a photoelectric conversion element are arranged in a matrix; a pixel driving section that drives the pixels in a row unit so as to read out a pixel signal from the pixel section; a column processing section that performs a column process, synchronized with a first clock of a first frequency previously selected, on the pixel signal read out by driving of the pixel driving section; and a rate conversion control section that performs a rate conversion control of data processed in the column processing section in accordance with rate conversion information. The rate conversion control section includes a first rate converter, a second rate converter, a data rate conversion section, and a data output section.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: August 12, 2014
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 8780245
    Abstract: Disclosed herein is a solid-state image pickup element, including a pixel portion in which plural pixels each including a photoelectric conversion element for converting an optical signal into an electrical signal and accumulating therein the resulting electrical signal in accordance with an exposure period of time are disposed in a matrix; and a pixel driving portion adapted to control operations of the pixels in rows so as to carry out an electronic shutter operation and a reading operation of the pixel portion.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: July 15, 2014
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Publication number: 20130258145
    Abstract: There is provided an imaging apparatus including a correction section configured to amplify an addition pixel value, which is a value obtained by adding results of photoelectric conversion on a plurality of pixels, according to an amplification factor set based on a number of defective pixels included in the plurality of pixels, and output the amplified addition pixel value as a corrected addition pixel value.
    Type: Application
    Filed: February 28, 2013
    Publication date: October 3, 2013
    Applicant: SONY CORPORATION
    Inventor: Tetsuji Nakaseko
  • Publication number: 20120307119
    Abstract: A solid-state imaging device includes: a pixel section in which a plurality of pixels including a photoelectric conversion element are arranged in a matrix; a pixel driving section that drives the pixels in a row unit so as to read out a pixel signal from the pixel section; a column processing section that performs a column process, synchronized with a first clock of a first frequency previously selected, on the pixel signal read out by driving of the pixel driving section; and a rate conversion control section that performs a rate conversion control of data processed in the column processing section in accordance with rate conversion information. The rate conversion control section includes a first rate converter, a second rate converter, a data rate conversion section, and a data output section.
    Type: Application
    Filed: April 17, 2012
    Publication date: December 6, 2012
    Applicant: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 8184172
    Abstract: A solid-state imaging device includes: a pixel array section formed by a plurality of pixels including a photoelectric conversion element disposed in the form of a matrix; and control means for selectively controlling shutter operations and readout operations performed on the pixels of the pixel array section on a row-by-row basis to control an exposure time for the pixels, wherein the control means provides an exposure time lasting for Q frame periods to expose the pixels in each row of the pixel array section when sub-sampling reading is performed at a sub-sampling ratio of 1/Q (Q is a positive integer).
    Type: Grant
    Filed: January 5, 2010
    Date of Patent: May 22, 2012
    Assignee: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Publication number: 20120008027
    Abstract: A solid-state imaging device includes: a pixel section wherein pixels including photoelectric conversion devices are arranged in a matrix; and a pixel driving section including a row selection circuit which controls the pixels to perform an electronic shutter operation and readout of the pixel section. The row selection circuit has a function of selecting a readout row from which a signal is read out and a shutter row on which reset is performed by discharging charge accumulated in the photoelectric conversion devices, in accordance with address and control signals. The row selection circuit can set, in accordance with the address and control signals, in the pixels of the selected row, at least a readout state, a discharge state where a smaller amount of the charge accumulated in the photoelectric conversion devices than the reset is discharged, an electronic shutter state, and a charge state where the charge is accumulated in the photoelectric conversion devices.
    Type: Application
    Filed: June 13, 2011
    Publication date: January 12, 2012
    Applicant: Sony Corporation
    Inventors: Eiji Makino, Tetsuji Nakaseko, Ryoji Eki, Youji Sakioka
  • Publication number: 20110298954
    Abstract: Disclosed herein is a solid-state image pickup element, including a pixel portion in which plural pixels each including a photoelectric conversion element for converting an optical signal into an electrical signal and accumulating therein the resulting electrical signal in accordance with an exposure period of time are disposed in a matrix; and a pixel driving portion adapted to control operations of the pixels in rows so as to carry out an electronic shutter operation and a reading operation of the pixel portion.
    Type: Application
    Filed: April 28, 2011
    Publication date: December 8, 2011
    Applicant: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Patent number: 7859961
    Abstract: An optical disk recording method for recording predetermined data on an optical disk on the basis of a first reference clock signal used for recording, the optical disk including a groove track having a wobble signal recorded thereon and a land track having a land pre-pit carrying track position information, the first reference clock signal being generated on the basis of the wobble signal reproduced from the optical disk, includes the steps of reproducing a pre-pit signal from the optical disk; generating a second reference clock signal from the pre-pit signal; detecting an amount of phase shift of the first reference clock signal using the second reference clock signal; and correcting the first reference clock signal on the basis of an average value of the detected amount of phase shift.
    Type: Grant
    Filed: July 11, 2007
    Date of Patent: December 28, 2010
    Assignee: Sony Corporation
    Inventors: Tetsuji Nakaseko, Hisao Osabe
  • Publication number: 20100171873
    Abstract: A solid-state imaging device includes: a pixel array section formed by a plurality of pixels including a photoelectric conversion element disposed in the form of a matrix; and control means for selectively controlling shutter operations and readout operations performed on the pixels of the pixel array section on a row-by-row basis to control an exposure time for the pixels, wherein the control means provides an exposure time lasting for Q frame periods to expose the pixels in each row of the pixel array section when sub-sampling reading is performed at a sub-sampling ratio of 1/Q (Q is a positive integer).
    Type: Application
    Filed: January 5, 2010
    Publication date: July 8, 2010
    Applicant: Sony Corporation
    Inventor: Tetsuji Nakaseko
  • Publication number: 20080019259
    Abstract: An optical disk recording method for recording predetermined data on an optical disk on the basis of a first reference clock signal used for recording, the optical disk including a groove track having a wobble signal recorded thereon and a land track having a land pre-pit carrying track position information, the first reference clock signal being generated on the basis of the wobble signal reproduced from the optical disk, includes the steps of reproducing a pre-pit signal from the optical disk; generating a second reference clock signal from the pre-pit signal; detecting an amount of phase shift of the first reference clock signal using the second reference clock signal; and correcting the first reference clock signal on the basis of an average value of the detected amount of phase shift.
    Type: Application
    Filed: July 11, 2007
    Publication date: January 24, 2008
    Applicant: SONY CORPORATION
    Inventors: Tetsuji Nakaseko, Hisao Osabe