Coin call telephone apparatus

Details Coin call telephone apparatus Coin call telephone apparatus

1989-11-02

1991-02-05

Schreyer, Stafford D.

Telephonic communications

With check operated control

Coin signalling or control

379150, 194344, H04M 102, H04M 1702

Patent

active

049912020

ABSTRACT:
A coin call telephone apparatus includes a control device comprised of a housing having set therein a coin track for continuous insertion therethrough of a coins of different value without interrupting the line so as to let the line be continuously keeping on for conversation. When a call is terminated or if the line is engaged, coins drop into refund slot immediately after hand set is hung on the cradle of the housing, and the pressure force from the cradle immediately forces a link rod to move downward to further drive a curved retainer frame to turn back so as to turn off the telephone apparatus.

REFERENCES:
patent: 4841563 (1989-06-01), Sano et al.

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