The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2025

Filed:

Jun. 24, 2020
Applicant:

National University Corporation Shizuoka University, Shizuoka, JP;

Inventor:

Shoji Kawahito, Hamamatsu, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01S 17/10 (2020.01); G01S 7/4863 (2020.01); G01S 7/4865 (2020.01); G01S 7/487 (2006.01);
U.S. Cl.
CPC ...
G01S 17/10 (2013.01); G01S 7/4863 (2013.01); G01S 7/4865 (2013.01); G01S 7/4876 (2013.01);
Abstract

A distance image sensor including a light source that generates pulsed light, a light source control means that controls the light source, a pixel circuit including a photoelectric conversion region, charge reading regions, a charge discharging region, and control electrodes, a charge transfer control means that outputs control pulses to the control electrodes, and a distance calculation means that reads voltages of the charge reading regions as detection signals and repeatedly calculates a distance on the basis of the detection signals. The charge transfer control means sets a timing at which the control pulse is output to be before a timing at which the pulsed light is generated.


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