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:
Dec. 07, 2021
Filed:
Apr. 13, 2020
Applicant:
Hamamatsu Photonics K.k., Hamamatsu, JP;
Inventors:
Mitsuhito Mase, Hamamatsu, JP;
Keiki Taguchi, Hamamatsu, JP;
Hajime Ishihara, Hamamatsu, JP;
Hiroo Yamamoto, Hamamatsu, JP;
Akihiro Shimada, Hamamatsu, JP;
Assignee:
HAMAMATSU PHOTONICS K.K., Hamamatsu, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01S 7/4863 (2020.01); G01S 17/10 (2020.01);
U.S. Cl.
CPC ...
G01S 7/4863 (2013.01); G01S 17/10 (2013.01);
Abstract
A light detection device includes a first photodiode, a second photodiode connected in series to the first photodiode, a first light source configured to output first pulsed light to which the first photodiode is sensitive, and a signal output unit configured to output a current as a detection signal, the current that flow through the second photodiode.