Card reader with improved data processing timing control

Details Card reader with improved data processing timing control Card reader with improved data processing timing control

1979-05-23

1981-08-18

Cook, Daryl W.

Registers

Coded record sensors

Synchronization

235436, G06K 7016, G06K 700

Patent

active

042848830

ABSTRACT:
A badge reader adapted to communicate with remotely located data processing equipment, said badge reader having data processing circuitry controlled by a rate clock which in turn is enabled and disabled by internal and external signals to provide clock signals only when and as required for carrying out selected data processing operations.

REFERENCES:
patent: 3700861 (1972-10-01), Heyden et al.
patent: 3956615 (1976-05-01), Anderson
patent: 3995255 (1976-11-01), Cuttill
patent: 4063070 (1977-12-01), Delarue et al.
patent: 4085313 (1978-04-01), Van Ness

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