Audio signal switcher

Details Audio signal switcher Audio signal switcher

2007-12-26

2010-06-29

Leon, Edwin A. (Department: 2833)

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

Reexamination Certificate

active

07744428

ABSTRACT:
The present invention provides an audio signal switcher including a jack switcher and a plug switcher. The jack switcher includes an audio jack and a first USB port. The first USB port includes a first data pin, a second data pin, a power pin, and a ground pin. The audio jack includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the first USB port. The plug switcher includes an audio plug and a second USB port. The second USB port also includes a data pin, a second data pin, a power pin, and a ground pin. The audio plug also includes a left track segment, a right track segment, and a ground segment, which are electrically isolated coupled to at least three pins of the second USB port according to a connection between the audio jack and the first USB port. The plug switcher can be connected to the jack switcher by a USB cable.

REFERENCES:
patent: 6203344 (2001-03-01), Ito
patent: 6616487 (2003-09-01), Lai
patent: 7354315 (2008-04-01), Goetz et al.
patent: 2007/0047745 (2007-03-01), Lai et al.
patent: 1020050014251 (2005-02-01), None
patent: 200512991 (2005-04-01), None

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