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:
Apr. 12, 2022
Filed:
Feb. 28, 2020
Applicant:
Pixart Imaging Inc., Hsin-Chu County, TW;
Inventors:
Keng-Yeen Lye, Penang, MY;
Kevin Len-Li Lim, Penang, MY;
Assignee:
PIXART IMAGING INC., Hsin-Chu County, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/038 (2013.01); G06F 3/0354 (2013.01); G01C 21/20 (2006.01); G06F 1/04 (2006.01); H03K 21/08 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0383 (2013.01); G01C 21/20 (2013.01); G06F 1/04 (2013.01); G06F 3/03543 (2013.01); H03K 21/08 (2013.01);
Abstract
There is provided a frame rate adjusting method of a navigation device including: counting a frame period using a clock of a local oscillator of the navigation device; counting a polling period using the same clock; calculating a difference between the frame period and the polling period; adjusting a frame rate of the navigation device when the difference is smaller than a predetermined margin.