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:
May. 25, 2010
Filed:
Oct. 16, 2007
Zhen Hou, Foshan, CN;
Zhen Hou, Foshan, CN;
Premier Image Technology(China) Ltd., Foshan, Guangdong Province, CN;
Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;
Abstract
A power switch system () for selectively providing power from a primary power source and a secondary power source to an electronic device, includes a detecting module (), and a selecting module (). The detecting module is connected to the primary power source. The selecting module is connected to an output terminal of the detecting module, the primary power source, and the secondary power source, and outputs the power from the primary power source to the electronic device if the primary power source is available. The detecting module is configured for determining whether the primary power source is available for the electronic device and generating a switch signal if the primary power source is unavailable, and the selecting module outputs power from the secondary power source to the electronic device in response to the switch signal.