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:
Aug. 09, 2022
Filed:
Oct. 10, 2019
Denso Corporation, Kariya, JP;
Kenta Azuma, Kariya, JP;
Noriyuki Ozaki, Kariya, JP;
Shinji Kashiwada, Kariya, JP;
Teiyu Kimura, Kariya, JP;
Isamu Takai, Nagakute, JP;
Hiroyuki Matsubara, Nagakute, JP;
Mitsuhiko Ohta, Nagakute, JP;
Shigeyoshi Hiratsuka, Nagakute, JP;
DENSO CORPORATION, Kariya, JP;
Abstract
A photodetector includes: a photoreceptor provided with a SPAD that is configured to respond to incidence of a photon, and as the response of the SPAD, configured to output a pulse signal; and a pulse rate control circuit configured to control sensitivity of the photoreceptor to have a pulse rate as the number of pulse signals outputted per unit time from the photoreceptor to be a set value set in advance, (i) in a set range including the set value, (ii) in a set range of the set value or more, or (iii) in a set range of the set value or less.