Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1986-10-03
1988-03-08
Westin, Edward P.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
340570, G01N 904
Patent
active
047301171
ABSTRACT:
An identification system for guaranteeing that a cash box adapted to receive revenue from an associated fare box is delivered to an authorized location; the system includes a transmitter as part of the cash box for generating a coded series of pulses uniquely identifying the particular cash box; a receiver is included as part of the fare box for receiving that coded series of pulses; a microcomputer connected to the output of the receiver reads and decodes the coded series of pulses to provide the identification number for the particular cash box; the microcomputer also stores the cash box number in its memory; further provided is an arrangement for selectively varying the coded series of pulses so as to uniquely identify each of a group of cash boxes.
REFERENCES:
patent: 4454414 (1984-06-01), Benton
patent: 4636634 (1987-01-01), Harper et al.
Abate Joseph P.
General Signal Corporation
Ohlandt John F.
Shami Khaled
Westin Edward P.
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