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.:

US 7755221 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 13, 2010

Filed:

Dec. 20, 2007
Applicants:

Chang-chun Liu, Shenzhen, CN;

Xiao-lin Gan, Shenzhen, CN;

Yu-kuang Ho, Taipei Hsien, TW;

Inventors:

Chang-Chun Liu, Shenzhen, CN;

Xiao-Lin Gan, Shenzhen, CN;

Yu-Kuang Ho, Taipei Hsien, TW;

Assignees:

Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Shenzhen, Guangdong Province, CN;

Hon Hai Precision Industry Co., Ltd., Tu-Cheng, Taipei Hsien, TW;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01H 83/00 (2006.01); H01H 47/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An exemplary electronic device includes a power module having an anode and a cathode; an audio module having an audio signal terminal and a ground terminal; an audio socket having an audio signal terminal and a ground terminal; a first relay-switch; a second relay-switch; and a power adapter having an audio plug, wherein the audio terminal of the audio socket is selectively connected to the anode of the power module and the audio signal terminal of the audio module via the first relay-switch, the ground terminal of the audio socket is selectively connected to the cathode of the power module and the ground terminal of the audio module via the second relay-switch, the audio terminal and the ground terminal of the audio socket are connected to the anode and cathode of the power module when the audio plug is plugged into the audio socket.


Find Patent Forward Citations

Liu, Chang-Chun. (2010). Electronic device with compound audio interface and power adapter (U.S. Patent No. 7755221). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7755221

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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