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Coin operated telephone operation monitoring switch mounting arrangement

  • US 4,928,299 A
  • Filed: 05/26/1989
  • Issued: 05/22/1990
  • Est. Priority Date: 05/26/1989
  • Status: Expired due to Term
First Claim
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1. A payphone event monitoring system which may be readily installed in a standard payphone housing using preexisting payphone cutouts and which generates signals indicative of the removal of a coin box, a vault door or a front cover, comprising:

  • (a) a first sensor bracket assembly to which is attached a front cover sensor and a vault door sensor;

    (b) a second sensor bracket assembly, containing a coin box sensor; and

    (c) a means for monitoring the sensors and sending a signal indicative of removal of the coin box, vault door or front cover.

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