Patents Assigned to BROOKMAN TECHNOLOGY, INC.
  • Publication number: 20220146684
    Abstract: A light source unit that emits a light pulse, a light receiving unit that includes pixels each including a photoelectric conversion device generating electric charge according to incident light and a plurality of electric charge accumulating units accumulating the electric charge and a pixel driving circuit that distributes the electric charge to the electric charge accumulating units of the pixels to be accumulated therein at a predetermined accumulation timing synchronized with the emission of the light pulse, and a distance image processing unit that measures the distance to a subject present in the measurement space on the basis of amounts of electric charge accumulated in the electric charge accumulating units are included, and the distance image processing unit includes a timing control unit that controls the accumulation timing in accordance with a measurement mode set in advance in accordance with a range of distances that are measurement targets.
    Type: Application
    Filed: January 27, 2022
    Publication date: May 12, 2022
    Applicants: BROOKMAN TECHNOLOGY, INC., TOPPAN INC.
    Inventors: Tomoyuki AKAHORI, Yu OOKUBO, Kunihiro HATAKEYAMA, Satoshi TAKAHASHI
  • Publication number: 20210270968
    Abstract: A range-measuring device encompasses a light emitter, a light-receiving region for receiving a reflected light of the pulsed light from the target, a driver for transmitting control signals to the light emitter and for transmitting transfer signals to distributing gates, providing offset periods in between on-periods of the transfer signals, distributing gates distribute signal charges to charge-accumulation regions, a range calculator configured to calculate ranges to the target, by using the signals transmitted from the charge-accumulation regions, and a control processor configured to generate control signals for controlling operations of the driver from calculated result delivered from the range calculator, and to transmit the control signals to the driver.
    Type: Application
    Filed: December 31, 2020
    Publication date: September 2, 2021
    Applicant: BROOKMAN TECHNOLOGY, INC.
    Inventor: Masanori NAGASE
  • Publication number: 20210255286
    Abstract: A range-measuring device encompasses N charge-distributing gates configured to distribute the signal charges toward N charge-transfer routes, a charge-exhausting gate for exhausting unwanted charges other than the signal charges, N charge-accumulation regions for accumulating the signal charges, a driver for transmitting drive signals to the N charge-distributing gates and the charge-exhausting gate, a readout-amplifier for reading out output signals corresponding to the signal charges accumulated in the N charge-accumulation regions, an arithmetic logic circuit configured to execute a job for calculating ranges to the target after receiving the output signals transmitted through the readout-amplifier.
    Type: Application
    Filed: April 12, 2021
    Publication date: August 19, 2021
    Applicant: Brookman Technology, Inc.
    Inventor: Masanori NAGASE
  • Patent number: 10652488
    Abstract: An optical-detection element includes a p-type supporting-layer, an n-type buried charge-generation region to implement a photodiode with the supporting-layer, a p-type shield region buried in the buried charge-generation region, a gate insulating-film contacted with the shield region, a transparent electrode on the gate insulating-film, a p-type well region buried in the supporting-layer, and an n+-type charge-readout region buried in the supporting-layer at an edge of the well region toward the buried charge-generation region.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: May 12, 2020
    Assignees: BROOKMAN TECHNOLOGY, INC., IKEGAMI TSUSHINKI CO., LTD., JAPAN ATOMIC ENERGY AGENCY
    Inventors: Takashi Watanabe, Osamu Ozawa, Kunihiko Tsuchiya, Tomoaki Takeuchi
  • Publication number: 20180302581
    Abstract: An optical-detection element includes a p-type supporting-layer, an n-type buried charge-generation region to implement a photodiode with the supporting-layer, a p-type shield region buried in the buried charge-generation region, a gate insulating-film contacted with the shield region, a transparent electrode on the gate insulating-film, a p-type well region buried in the supporting-layer, and an n+-type charge-readout region buried in the supporting-layer at an edge of the well region toward the buried charge-generation region.
    Type: Application
    Filed: March 30, 2018
    Publication date: October 18, 2018
    Applicants: BROOKMAN TECHNOLOGY, INC., IKEGAMI TSUSHINKI CO., LTD., JAPAN ATOMIC ENERGY AGENCY
    Inventors: Takashi Watanabe, Osamu Ozawa, Kunihiko Tsuchiya, Tomoaki Takeuchi
  • Patent number: 9923006
    Abstract: A radiation tolerant optical detection element includes: a p-type base-body region; a gate insulating film provided on an upper surface of the base-body region; an n-type buried charge-generation region buried in an upper portion of the base-body region; an n-type charge-readout region buried in an upper portion of the base-body region on the inner-contour side of the buried charge-generation region; an n-type reset-drain region buried on the inner-contour side of the charge-readout region; a transparent electrode provided on the gate insulating film above the buried charge-generation region; and a reset-gate electrode provided on a portion of the gate insulating film between the charge-readout region and the reset-drain region.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: March 20, 2018
    Assignees: BROOKMAN TECHNOLOGY, INC., IKEGAMI TSUSHINKI CO., LTD., JAPAN ATOMIC ENERGY AGENCY
    Inventors: Takashi Watanabe, Tomohiro Kamiyanagi, Kunihiko Tsuchiya, Tomoaki Takeuchi
  • Publication number: 20170133419
    Abstract: A radiation tolerant optical detection element includes: a p-type base-body region; a gate insulating film provided on an upper surface of the base-body region; an n-type buried charge-generation region buried in an upper portion of the base-body region; an n-type charge-readout region buried in an upper portion of the base-body region on the inner-contour side of the buried charge-generation region; an n-type reset-drain region buried on the inner-contour side of the charge-readout region; a transparent electrode provided on the gate insulating film above the buried charge-generation region; and a reset-gate electrode provided on a portion of the gate insulating film between the charge-readout region and the reset-drain region.
    Type: Application
    Filed: January 23, 2017
    Publication date: May 11, 2017
    Applicants: BROOKMAN TECHNOLOGY, INC., IKEGAMI TSUSHINKI CO., LTD., JAPAN ATOMIC ENERGY AGENCY
    Inventors: Takashi WATANABE, Tomohiro KAMIYANAGI, Kunihiko TSUCHIYA, Tomoaki TAKEUCHI