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:
Aug. 04, 2026
Filed:
May. 11, 2025
Applicant:
E Ink Holdings Inc., Hsinchu, TW;
Inventor:
Chien-Hsing Chang, Hsinchu, TW;
Assignee:
E Ink Holdings Inc., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 3/046 (2006.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06F 3/046 (2013.01); G06F 3/04166 (2019.05);
Abstract
An electromagnetic touch device including a sensor panel and a driving circuit is provided. The sensor panel includes multiple sensor coils independently driven. Each of the sensor coils includes a first connecting terminal, a second connecting terminal, and a coil wiring connected between the first connecting terminal and the second connecting terminal. The coil wiring includes multiple conductor wires that are connected in parallel. The driving circuit is electrically connected to the sensor coils.