Universal audio jack and plug

Details Universal audio jack and plug Universal audio jack and plug

2007-07-10

2007-07-10

Prasad, Chandrika (Department: 2839)

Electrical connectors

With insulation other than conductor sheath

Plural-contact coupling part

Reexamination Certificate

active

10702260

ABSTRACT:
A universal four-contact plug and jack assembly permits interconnection of microphone and stereo audio signals between an audio peripheral incorporating the four-contact plug and an audio device that includes the four-contact jack. Dimensionally, the interconnecting segments of the four-contact plug are, in terms of overall length, consistent with standard three-contact audio plugs which allows the four-contact plug to be plugged into a three-contact jack intended for use with conventional three-contact audio plugs. Similarly, the four-contact jack has three of its contacts positioned as a conventional three-contact jack but with a fourth contact position to interconnect with the additional contact of four-contact plugs. With this configuration, an audio device including the four-contact plug is compatible with audio peripherals including stereo headsets, monaural headsets with microphones, and others.

REFERENCES:
patent: 5118309 (1992-06-01), Ford
patent: 6069960 (2000-05-01), Mizukami et al.
patent: 6394852 (2002-05-01), Huang
patent: 6461199 (2002-10-01), Koga et al.
patent: 6718113 (2004-04-01), Mine et al.
patent: 2002/0025728 (2002-02-01), D'Addario et al.
patent: 2003/0008564 (2003-01-01), Lebron
patent: 2004/0204185 (2004-10-01), Snyder et al.
patent: 1134958 (2001-09-01), None
patent: 1202400 (2002-05-01), None
PCT Search Report dated Apr. 5, 2004.

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