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. 02, 2010
Filed:
Sep. 12, 2007
Applicants:
Wen-yu Tsai, Changhua County, TW;
Wen-kuang Hou, Miaoli County, TW;
Yung-nien Chai, Tainan, TW;
Inventors:
Assignee:
Darfon Electronics Corp., Taoyuan, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F21V 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A luminous key mechanism. A keycap moves with respect to a base plate and includes a transparent window. A light-emitting element is disposed under the keycap. A condenser is connected to the transparent window and opposes the light-emitting element. Light output from the light-emitting element is condensed by the condenser and output via the transparent window.
Tsai, Wen-Yu. (2010). Luminous key mechanism (U.S. Patent No. 7670017). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7670017
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile