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:
Dec. 02, 2008
Filed:
Oct. 18, 2006
Jahja I. Trisnadi, Cupertino, CA (US);
Clinton B. Carlisle, Palo Alto, CA (US);
Robert J. Lang, Alamo, CA (US);
Jahja I. Trisnadi, Cupertino, CA (US);
Clinton B. Carlisle, Palo Alto, CA (US);
Robert J. Lang, Alamo, CA (US);
Cypress Semiconductor Corporation, San Jose, CA (US);
Abstract
An optical sensor and method of using the same is provided for sensing relative movement between the sensor and a surface by detecting changes in optical features of light reflected from the surface. In one embodiment, the sensor includes a two dimensional array of photosensitive elements, the array including at least a first plurality of photosensitive elements arranged and coupled to sense a first combined movement along a first set of at least two non-parallel axes, and a second plurality of photosensitive elements arranged and coupled to sense a second combined movement along a second set of a least two non-parallel axes.