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:
Nov. 22, 2011
Filed:
Jan. 08, 2009
Applicants:
Sze Kuang Lee, Penang, MY;
Yee Loong Chin, Lahat, MY;
Weng Fei Wong, Gelugor, MY;
Inventors:
Assignee:
Avago Technologies Limited, Singapore, SG;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01D 5/34 (2006.01);
U.S. Cl.
CPC ...
Abstract
Disclosed herein are a number of different embodiments of reflective multi-turn optical encoders with different light sensing systems. Three different basic configurations of reflective multi-turn optical encoder light sensing systems are disclosed herein: (a) optical encoders employing multiple arrays of light detectors; (b) optical encoders employing multiple arrays of stacked die light sensors, and (c) optical encoders employing variable tone density light sensing systems.