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. 26, 2013
Filed:
Feb. 28, 2011
Applicants:
Zheng-ping Tan, Shenzhen, CN;
Kuan-hung Chen, Shindian, TW;
Yao Wang, Shenzhen, CN;
Inventors:
Assignees:
Shenzhen Futaihong Precision Industry Co., Ltd., Shenzhen, CN;
FIH (Hong Kong) Limited, Kowloon, HK;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04M 1/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A keypad module includes a light source, a light guide plate and a keypad. The light guide plate includes a plurality of coarse surfaces. The keypad forms a plurality of ribs corresponding to the coarse surfaces. The light source is positioned in the light guide plate, the coarse surfaces and the ribs guiding light of the light source to uniform on the light guide plate.
Tan, Zheng-Ping. (2013). Keypad module for portable electronic device (U.S. Patent No. 8382303). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8382303
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile