Paystation theft inhibiting circuit
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United States of America Patent
Stats
-
May 1, 1990
Grant Date -
N/A
app pub date -
Jul 3, 1989
filing date -
Jul 3, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A telephone paystation theft inhibiting circuit for detecting the grounding of the handset circuit conductors. Protection is provided for the receiver circuit conductor by means of an isolation transformer and solid state switching devices are employed to disconnect the transmitter from its associated circuit conductors when the grounding condition occurs.
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Family
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Cited Art Landscape
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