Telephone terminal discount accessory device

Details Telephone terminal discount accessory device Telephone terminal discount accessory device

1991-07-25

1992-08-25

Schreyer, Stafford D.

Telephonic communications

Substation or terminal circuitry

Hold circuit

379442, H04M 100, H04M 121

Patent

active

051425726

ABSTRACT:
A telephone terminal disconnect accessory device for automatically disconnecting or hanging up the telephone at a first telephone terminal station when it is desirable to hold a conversation at a second telephone terminal station without having to return to the first telephone terminal station where the telephone was answered or from which a call was made, the device comprising a housing having at least two female modular jacks disposed in the walls thereof, and including an on/off switching means, a variable timing means, a latching relay means, a re-set switching means, and a transistor battery power supply.

REFERENCES:
patent: 4001520 (1977-01-01), Waldman et al.
patent: 4529843 (1985-02-01), Boechkmann

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