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. 14, 2021
Filed:
Jun. 10, 2019
Pixart Imaging Inc., Hsin-Chu, TW;
Shan Chong Tan, Penang, MY;
PixArt Imaging Inc., Hsin-Chu, TW;
Abstract
An optical navigation device comprising: a first reading circuit; a second reading circuit; a first image sensing region, coupled to the first reading circuit; a second image sensing region, coupled to the second reading circuit; and a control circuit, coupled to the first reading circuit and the second reading circuit; wherein the first image sensing region captures a first image at a first time and the second image sensing region captures a second image at a second time after the first time; wherein the control circuit calculates a motion of the optical navigation device according to a relative displacement between the first image and the second image.