Registers – Coded record sensors – Synchronization
Patent
1988-01-21
1988-12-27
Pitts, Harold I.
Registers
Coded record sensors
Synchronization
235436, 235456, G06F 7016
Patent
active
047942410
ABSTRACT:
The present invention relates generally to the field of optical mark readers and mark scanning systems. More particularly, the present invention relates to a method and system for checking the velocity of a scannable document as it travels under the read head of a mark scanning system.
REFERENCES:
patent: 4152895 (1979-05-01), Weisbrod
Carsner George E.
McMillin John V.
National Computer Systems
Pitts Harold I.
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