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. 18, 2025
Filed:
Aug. 12, 2024
Pixart Imaging Inc., Hsin-Chu, TW;
Chi-Chieh Liao, Hsin-Chu, TW;
PIXART IMAGING INC., Hsin-Chu, TW;
Abstract
A sensing touchpad includes a substrate, a plurality of first driving electrodes, a plurality of sensing electrodes, at least one second driving electrode and at least one ground element. The substrate has a first surface and a second surface opposite to each other. The plurality of first driving electrodes are arranged in a first layer on the top surface of the substrate. The plurality of sensing electrodes are arranged in a second layer on the first layer. The at least one second driving electrode is arranged in the second layer. The at least one ground element is arranged in the first layer, and the at least one ground element overlaps with the at least one second driving electrode on a normal direction of the substrate.