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:
Dec. 21, 2010
Filed:
Jan. 27, 2006
Applicants:
Wei-po Lin, Taipei, TW;
Hsin-tso Lin, Taipei, TW;
Hsien-yueh Hsu, Taipei, TW;
Inventors:
Assignee:
Asustek Computer Inc., Peitou, Taipei, TW;
Primary Examiner:
Int. Cl.
CPC ...
H02B 1/00 (2006.01); G06F 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An audio signal switching apparatus at least comprises an audio jack, a speaker jack, a detection circuit and a control circuit. The audio jack and the speaker jack are separately configured in a computer system. The detection circuit detects whether the computer system is turned on or turned off. The control circuit is connected to the detection circuit and electrically connects the audio jack to the speaker jack when the computer system is turned off.