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.

Date of Patent:
Aug. 03, 2010

Filed:

May. 04, 2006
Applicants:

Wei-chih Huang, Taipei, TW;

Chiung-ying Peng, Taipei, TW;

Inventors:

Wei-Chih Huang, Taipei, TW;

Chiung-Ying Peng, Taipei, TW;

Assignee:

Princeton Technology Corporation, Hsin Tien, Taipei County, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/63 (2006.01);
U.S. Cl.
CPC ...
Abstract

A power supply of a video and audio system is coupled to a first switch and a second switch. A power management unit is coupled between the first switch and at least one electronic device. An integrated circuit includes a first circuit and a second circuit. The first circuit is coupled to the power management unit and the at least one electronic device for controlling the operation of the at least one electronic device. The second circuit is coupled to a battery, the first switch, the second switch, and the first circuit for controlling the first switch and the second switch.


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