Photocopying – Contact printing – Light boxes
Patent
1990-02-27
1991-05-14
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
34082517, G03G 1500
Patent
active
050160591
ABSTRACT:
A remote control system for providing accurate copy count and controlling in the operation of self-service photocopy machines. The system is comprised of a remotely located transmitter which can send digital signals to enable or disable selected self-serve photocopy machines. A receiver mounted on each photocopy machine controls a digital display which indicates the number of legal or letter size photocopies being made. A user operated switch on the receiver lets a user disable the copy machine when copying is complete. The photocopy machine is enabled by a reset signal sent from the remote transmitter which also clears the digital display. The receiver display and transmitter are adapted to a wide variety of existing photocopy machines by a universal interface circuit.
REFERENCES:
patent: 3641536 (1972-02-01), Prosprich
patent: 4133420 (1979-01-01), McManus
O'Reilly David
Pendegrass Joan H.
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