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. 07, 2018
Filed:
Dec. 19, 2016
Applicant:
Pixart Imaging (Penang) Sdn. Bhd., Penang, MY;
Inventor:
Kwai Lee Pang, Penang, MY;
Assignee:
PixArt Imaging (Penang) SDN. BHD., Penang, MY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G09G 5/00 (2006.01); G06F 3/03 (2006.01); G09G 3/32 (2016.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0312 (2013.01); G06F 1/3259 (2013.01); G09G 3/32 (2013.01); G09G 2310/066 (2013.01);
Abstract
An LED current ramping method for an optical mouse includes: determining a speed of the optical mouse; setting control bits according to the determined speed; sending the control bits to a digital circuit of the mouse; and decoding the control bits to selectively open and close switches in a constant current LED driver of the mouse to adjust a current according to the speed.