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.:

US 7888610 B1

PDF
Full Text
Expired
Date of Patent:
Feb. 15, 2011

Filed:

Sep. 18, 2008
Applicant:

Teck Chye Allen Lim, Singapore, SG;

Inventor:

Teck Chye Allen Lim, Singapore, SG;

Assignee:

Infineon Technologies AG, Neubiberg, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 9/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

Embodiments of the invention are related to a keypad and an electronic device having a keypad. In one embodiment a keypad comprises a plurality of keys. Each of the plurality of keys comprises one main electrode and at least one signal electrode is being adapted to connect electrically the main electrode and the at least one signal electrode when said key is pressed. The main electrode is connected to a reference potential connection of the keypad and surrounds the at least one signal electrode of said key.


Find Patent Forward Citations

Lim, Teck Chye Allen. (2011). Keypad and method for identifying keystrokes of a keypad (U.S. Patent No. 7888610). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7888610

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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