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. 02, 2022
Filed:
Apr. 08, 2021
Applicant:
Pixart Imaging Inc., Hsin-Chu, TW;
Inventors:
Poh Weng Yem, Penang, MY;
Keng Yeam Chang, Penang, MY;
Assignee:
PixArt Imaging Inc., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03F 3/04 (2006.01); G01J 1/44 (2006.01); G01C 21/00 (2006.01); H03K 19/20 (2006.01);
U.S. Cl.
CPC ...
H03F 3/04 (2013.01); G01C 21/00 (2013.01); G01J 1/44 (2013.01); H03K 19/20 (2013.01);
Abstract
An amplifying circuit, which can operate in one of a sample mode and a hold mode, comprising: an amplifier; a current providing circuit, configured to provide a first bias current to the amplifier in a power saving time interval when the amplifying circuit operates in the sample mode, and configured to provide a second bias current to the amplifier when the amplifying circuit operates in the hold mode; wherein the first bias current is smaller than the second bias current.
Quick Actions:
Yem, Poh. (2022). Amplifying circuit and optical navigation device (U.S. Patent No. 11405006). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11405006
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile