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:
Mar. 27, 2018
Filed:
Sep. 18, 2015
Applicant:
Cypress Semiconductor Corporation, San Jose, CA (US);
Inventors:
John Frame, Arcadia, CA (US);
Jing Mu, San Jose, CA (US);
Assignee:
Cypress Semiconductor Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/041 (2006.01); G06F 3/042 (2006.01); G06F 3/044 (2006.01); G06F 3/0354 (2013.01); G06F 1/32 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0418 (2013.01); G06F 1/3231 (2013.01); G06F 1/3262 (2013.01); G06F 3/03547 (2013.01); G06F 3/042 (2013.01); G06F 3/044 (2013.01); G06F 3/0421 (2013.01); G06F 2203/04106 (2013.01); Y02B 60/1289 (2013.01);
Abstract
A method of operating an optical navigation system which includes disabling a light source to measure the ambient or external light level, comparing the measurement to a threshold level to determine whether the ambient light would cause false detection and light induced motion, and adjusting sensing parameter(s) to mitigate the effect of the ambient light.