Telephone set

Details Telephone set Telephone set

1988-10-19

1990-07-31

Schreyer, Stafford D.

Telephonic communications

With check operated control

Other than coin

235482, H04M 1702

Patent

active

049455583

ABSTRACT:
A telephone set having a base unit and a handset which is removable from a rest position on the base unit to make a telephone call and replaceable in the rest position following the call, and means for receiving a telephone enabling element which must be inserted into the receiving means to enable a call to be made and should be removed from the receiving means on completion of the call, characterized by means for ensuring that replacement of the handset in the rest position is obstructed when the telephone enabling element is present in the receiving means.

REFERENCES:
patent: 2641659 (1953-06-01), Benson
patent: 4396810 (1983-08-01), Cover
patent: 4672661 (1987-06-01), Clark, Jr. et al.
patent: 4798945 (1989-01-01), Bruckner et al.
patent: 4807059 (1989-02-01), Talmadge et al.
patent: 4811387 (1989-03-01), Hollewed et al.
patent: 4837814 (1989-06-01), Yoshino et al.

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