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:
Feb. 21, 2012
Filed:
Apr. 02, 2009
Applicants:
Hsin-hsien Yu, Tu-cheng, TW;
Yao-pang LU, Tu-Cheng, TW;
Chao-chang LI, Tu-cheng, TW;
Inventors:
Assignee:
Hon Hai Precision Inc. Co., Ltd., New Taipei, TW;
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/83 (2006.01);
U.S. Cl.
CPC ...
Abstract
A touch keypad assembly () includes a main board (), a metal dome () disposed on a predetermined position of the main board, a touchpad layer () disposed on the metal dome, a keypad cover () disposed over the touchpad layer, and a light guide film () disposed between the metal dome and the keypad cover. The touchpad layer is a flexible printed circuit board.