Telephone plug system

Details Telephone plug system Telephone plug system

2006-04-04

2006-04-04

Tran, Sinh (Department: 2646)

Telephonic communications

Substation or terminal circuitry

C379S167010

Reexamination Certificate

active

07023982

ABSTRACT:
A telephone plug system includes a jack body having one end adapted to be inserted into standard wall telephone jacks, having at least one receiving socket at another end adapted to receive a conventional plug which is attached to a telephone line operated device. One plug is selected as host plug and at least one as slave plug, whereby the host plug controls a slave plug regarding receiving calls such as speech, facsimile, data etc.

REFERENCES:
patent: 3949172 (1976-04-01), Brown et al.
patent: 4270202 (1981-05-01), Stuttard et al.
patent: 5265154 (1993-11-01), Schotz
patent: 5911119 (1999-06-01), Bartholomew et al.
patent: 5920615 (1999-07-01), Nolde
patent: 5991634 (1999-11-01), Hui et al.
patent: 6389125 (2002-05-01), Ubowski

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