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:
Jan. 07, 2025
Filed:
Sep. 14, 2020
Applicant:
Pixart Imaging Inc., Hsin-Chu, TW;
Inventors:
Assignee:
PIXART IMAGING INC., Hsin-Chu, TW;
Primary Examiner:
Int. Cl.
CPC ...
G01C 3/08 (2006.01); G01B 11/04 (2006.01); G01S 17/04 (2020.01); G01S 17/08 (2006.01); G01S 17/88 (2006.01);
U.S. Cl.
CPC ...
G01B 11/043 (2013.01); G01S 17/04 (2020.01); G01S 17/08 (2013.01); G01S 17/88 (2013.01);
Abstract
A wireless charging device and an operation method thereof are provided. The wireless charging device includes a charging module, at least one proximity sensor and a central controller. The wireless charging device senses a distance variation between the wireless charging device and an object using the proximity sensor and accordingly determines whether to turn on or turn off the charging module to achieve energy saving.