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. 31, 2010
Filed:
Jul. 27, 2007
Jin-feng Gao, Shenzhen, CN;
Che-yuan Hsu, Taipei Hsien, TW;
Ken-holm Hansen, Farevejle, DK;
Shenzhen Futaihong Precision Industry Co., Ltd., ShenZhen, Guangdong Province, CN;
FIH (Hong Kong) Limited, Kowloon, HK;
Abstract
A backlight keyboard () includes a plurality of keys (), a light guide plate (), and an elastic element (). Each key includes a key cover () and a keypad () integrally connected to each other. Further, keypad portions of adjacent keys are integrally connected, as well. The light guide plate is arranged below the keys. The light guide plate defines a plurality of through holes (), each through hole corresponding to one key. An opaque film () is coated on a top surface of the light guide plate. The elastic element is positioned under the light guide plate and is configured for exerting a biasing force on at least one key so as to enable the key to return to its previous position when pressed and released.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile