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. 15, 2020
Filed:
Nov. 29, 2016
Applicant:
Stmicroelectronics (Alps) Sas, Grenoble, FR;
Inventor:
Xavier Branca, Sassenage, FR;
Assignee:
STMicroelectronics (ALPS) SAS, Grenoble, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); H03K 3/015 (2006.01); H03K 17/78 (2006.01); G01S 7/484 (2006.01); G01S 17/10 (2020.01); H02M 7/537 (2006.01); H03K 3/017 (2006.01);
U.S. Cl.
CPC ...
H03K 3/015 (2013.01); G01S 7/484 (2013.01); G01S 17/10 (2013.01); H02M 7/537 (2013.01); H03K 3/017 (2013.01); H03K 17/78 (2013.01);
Abstract
An optical emission circuit includes a power supply source and a regulation circuit coupled to control the power supply source. An optical source and a first switch are coupled in series to the power supply source. A square pulse signal source has an output coupled to a control input of the first switch. The square pulse signal source is configured to provide a square pulse signal. The regulation circuit regulates the current supplied by the power supply source according to a product of a peak current set point by a duty cycle of the square pulse signal.