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. 15, 2011
Filed:
Aug. 11, 2008
Applicants:
Yu-chih Chang, Taoyuan, TW;
Chang-li Liu, Taoyuan, TW;
Inventors:
Yu-Chih Chang, Taoyuan, TW;
Chang-Li Liu, Taoyuan, TW;
Assignee:
Ichia Technologies, Inc., Taoyuan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 11/00 (2006.01); H01H 65/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of manufacturing non-backlighted illuminating keypad includes preparing a transparent plastic thin plate; forming a plurality of keycaps on a surface the plastic thin plate; forming a light gathering layer on another surface of the plastic thin plate opposite to the keycaps; attaching the plastic thin plate onto an electronic ink layer; and attaching an first elastic layer on the electronic ink layer.