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.

Date of Patent:
Jan. 18, 2022

Filed:

Jun. 10, 2020
Applicant:

Stmicroelectronics Ltd, Netanya, IL;

Inventors:

Elik Haran, Kfar Saba, IL;

Offir Duvdevany, Tel Aviv, IL;

Naomi Petrushevsky, Yavne, IL;

Assignee:

STMicroelectronics LTD, Netanya, IL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G01R 19/04 (2006.01); H02P 25/032 (2016.01); G02B 26/10 (2006.01);
U.S. Cl.
CPC ...
G02B 26/085 (2013.01); G01R 19/04 (2013.01); G02B 26/0833 (2013.01); G02B 26/105 (2013.01); H02P 25/032 (2016.02);
Abstract

An electronic device includes an analog to digital converter receiving an analog mirror sense signal from an oscillating mirror and generating a digital mirror sense signal therefrom, and a digital signal processing block. The digital signal processing block cooperates with the analog to digital converter to take a first sample of the digital mirror sense signal at a first time where a derivative of capacitance of the digital mirror sense signal crosses zero, take a second sample of the digital mirror sense signal at a second time between a peak of the digital mirror sense signal and the first time, and take a third sample of the digital mirror sense signal at a third time after the digital mirror sense signal has reached a minimum. Control circuitry determines an opening angle of the oscillating mirror as a function of the first, second, and third samples.


Find Patent Forward Citations

Haran, Elik. (2022). Envelope detection circuit for detection of opening angle of a movable mems mirror (U.S. Patent No. 11226480). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11226480

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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