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.
Patent No.:
Date of Patent:
Apr. 21, 2026
Filed:
Feb. 28, 2020
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Kenichi Tayu, Kanagawa, JP;
Sony Semiconductor Solutions Corporation, Kanagawa, JP;
Abstract
A light receiving device according to an embodiment includes: a light receiving element () in which a current flows because of avalanche multiplication caused in accordance with a photon that has been incident on the light receiving element in a state in which the light receiving element is charged to a predetermined potential based on a bias voltage, the light receiving element returning to said state by a recharge current; a detection unit () configured to detect the current, and invert an output signal in a case in which a current value of the current exceeds a threshold; a current source () configured to supply the recharge current to the light receiving element; and a switch unit () configured to control supply of the bias voltage to the light receiving element in accordance with the output signal of the detection unit.