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:
Sep. 29, 2015

Filed:

May. 16, 2012
Applicants:

Jhong-lin LI, Taipei, TW;

Yen-hsun Chen, Taipei, TW;

Yu-wei Lo, Taipei, TW;

Inventors:

Jhong-Lin Li, Taipei, TW;

Yen-Hsun Chen, Taipei, TW;

Yu-Wei Lo, Taipei, TW;

Assignee:

ASUSTeK COMPUTER INC., Taipei, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04R 25/00 (2006.01); H04R 3/00 (2006.01); H03G 3/34 (2006.01);
U.S. Cl.
CPC ...
H04R 3/00 (2013.01); H03G 3/348 (2013.01); H04R 2420/05 (2013.01);
Abstract

A multimedia output device and an audio output method thereof are provided. The multimedia output device is electrically connected to an external speaker. The audio output method includes following steps. The multimedia output device determines whether an identification resistor exists in the external speaker. If the identification resistor exists in the external speaker, the multimedia output device determines whether the identification resistor complies with a predetermined resistance range. If the identification resistor complies with the predetermined resistance range, the multimedia output device outputs an audio signal to the external speaker to be played.


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