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:
Oct. 20, 2026
Filed:
Jan. 11, 2024
Pixart Imaging Inc., Hsin-Chu City, TW;
Tze Wei Priscilla Goh, Penang, MY;
Kuan Choong Shim, Penang, MY;
Meng Yee Lim, Penang, MY;
Gim Eng Chew, Penang, MY;
PixArt Imaging Inc., Hsin-Chu City, TW;
Abstract
A code wheel comprising: a signal region, configured to receive light and generate at least one code signal according to the light; and an index region, configured to generate an index signal according to the light, wherein the index signal represents a complete rotation of the code wheel. The index region comprises a first region with a first region and comprises a second region with a second region larger than the first region. The first region is closer to the signal region than the second region. The code wheel may be applied to an encoding system with a processing circuit, which is configured to determine a rotation of the code wheel according to the code signals and the index signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile