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. 03, 2021
Filed:
Jul. 15, 2019
Applicant:
Stmicroelectronics S.r.l., Agrate Brianza, IT;
Inventors:
Antonio Fincato, Cameri, IT;
Enrico Stefano Temporiti Milani, Pavia, IT;
Maurizio Zuffada, Milan, IT;
Angelica Simbula, Cabras, IT;
Assignee:
STMicroelectronics S.R.L., Agrate Brianza, IT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01C 19/72 (2006.01);
U.S. Cl.
CPC ...
G01C 19/727 (2013.01);
Abstract
A device includes an optical resonator having four ports including a first port, a second port, a third port, and a fourth port. A first electronic circuit is configured to calculate a first information representative of a power difference between optical signals supplied by two of the four ports. A method of operating a device is also disclosed.