Pay telephone monitoring system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 5, 1988
Grant Date -
N/A
app pub date -
Feb 14, 1986
filing date -
Feb 14, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A passive, non-intrusive pay telephone monitoring system is disclosed for maintaining a talley of the amount of money present in a money box. A signal is sent over the line, interconnecting the pay telephone with its central office equipment when money in the box is collected by a collection agent, and the collected amount of money and the time of collection are then stored for verification of the collected amount.
First Claim
Family
International Classification(s)
Cited Art Landscape
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