Coin box signaling arrangement

Details Coin box signaling arrangement Coin box signaling arrangement

1976-09-20

1977-08-09

Claffy, Kathleen H.

Check-actuated control mechanisms

Including noncontacting, relatively movable parts connected...

179 63R, 194 16, H04M 1702

Patent

active

040412431

ABSTRACT:
A signaling arrangement for indicating to a remote location that coins in the cash receptacle of a coin-operated device have accumulated to a predetermined fill level is disclosed. In particular, a coin telephone station is disclosed, which station has a tone oscillator connected to an associated central office by a telephone line. The oscillator is controlled by a three-input logic gate. One input of the gate is enabled by a coin probe when the coin box is filled to a predetermined level. Another input of the logic gate is enabled by a flip-flop that is set when a coin collect potential is received by the station over the line. The third input of the logic gate is enabled when talking battery is applied to the line. The logic device thereupon operates the oscillator which generates a tone signal that is sent to the central office over the line, indicating to the office that the coin box is full.

REFERENCES:
patent: 2883463 (1959-04-01), Goodale, Jr. et al.
patent: 3091663 (1963-05-01), Stokes
patent: 3449524 (1969-06-01), Pharis
patent: 3496300 (1970-02-01), Stokes

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