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. 28, 2023
Filed:
May. 28, 2021
Applicant:
Pixart Imaging (Penang) Sdn. Bhd., Penang, MY;
Inventor:
Sai-Mun Lee, Penang, MY;
Assignee:
PIXART IMAGING (PENANG) SDN. BHD., Penang, MY;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01D 5/34 (2006.01); G01D 5/347 (2006.01);
U.S. Cl.
CPC ...
G01D 5/34707 (2013.01);
Abstract
There is provided an optical encoder including an encoding medium, a substrate, a light source and a light sensor. The encoding medium includes an index track and a position track. The light source is arranged at a first surface of the substrate to emit light toward the index track and the position track. The light sensor is arranged at a second surface of the substrate, and has a first light sensing region and a second light sensing region for receiving reflective light respectively from the index track and the position track.