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. 28, 2007
Filed:
Nov. 07, 2005
Ming-yuan Hsu, Taipei County, TW;
Dean-kuo Liu, Taoyuan County, TW;
Ming-Yuan Hsu, Taipei County, TW;
Dean-Kuo Liu, Taoyuan County, TW;
Speed Tech Corp., Taoyuan Hsien, TW;
Abstract
A keypad assembly including a substrate, a metal layer, a patterned light-shielding layer, a light-transparent material layer and a keypad circuit module is provided. Said substrate has a first surface and a second surface and the metal layer is disposed on the first surface of the substrate. In addition, the patterned light-shielding layer is disposed on the metal layer to define a light-transparent area and a light-shielding area, wherein the patterned light-shielding layer corresponds to the light-transparent area. In the meantime, the light-transparent material layer is disposed on the second surface of the substrate and corresponds to the light-transparent area. Further, the keypad circuit module is disposed on the patterned light-shielding layer.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile