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:
Jun. 23, 2015
Filed:
Mar. 26, 2013
Applicant:
Excelitas Canada Inc., Vaudreuil-Dorion, CA;
Inventor:
Frederic Laforce, Coteau-du-Lac, CA;
Assignee:
Excelitas Canada, Inc., Vaudreuil-Dorion, CA;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/02 (2006.01);
U.S. Cl.
CPC ...
H01L 31/02016 (2013.01); H01L 31/02 (2013.01);
Abstract
A device and method to protect an APD or SiPM optical receiver against photodetector voltage supply variation is presented. A differential trans-impedance amplifier includes one input connected to the photodetector and the other input connected to a high voltage supply variation sensing device. The sensing element includes a circuit replicating the impedance of the photodetector.
Laforce, Frederic. (2015). Differential optical receiver for avalanche photodiode and sipm (U.S. Patent No. 9064981). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9064981
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile