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:
Mar. 11, 2014
Filed:
Oct. 28, 2010
Applicant:
LI DE Chen, Nantou County, TW;
Inventor:
Li De Chen, Nantou County, TW;
Assignee:
Xac Automation Corp., Hsinchu, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H03M 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A data entry module includes a flexible substrate, a fence circuit formed on the flexible substrate and including at least one trace routed in a meandering manner, an insulating layer formed on the fence circuit, a substrate spaced from the insulating layer, and a switch circuit including a plurality of switch elements each including two contact pads separately disposed on the substrate and the insulating layer. The fence circuit is configured to cover the switch circuit for preventing the interrogation of the switch circuit.