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. 26, 2009
Filed:
Jun. 12, 2007
Mark Lin, Taipei, TW;
Mark Lin, Taipei, TW;
Inventec Corporation, Taipei, TW;
Abstract
The present invention discloses a power-saving circuit applied in a portable electronic device, which includes a voltage input module for outputting a first enable signal after receiving an external voltage, a power switch for being operated by a user to output a second enable signal and a start signal, a switching module electrically coupled to the voltage input module and the power switch for selectively receiving the first and second enable signals to determine whether or not to turn off the switching module, and a voltage conversion module electrically coupled to the switching module for receiving one of the external voltage and a battery voltage from the voltage input module when the switching module is closed. Thus, the battery voltage cannot be sent to the portable electronic device when the switching module is opened.