Double read system for character recognition systems

Details Double read system for character recognition systems Double read system for character recognition systems

1974-02-25

1976-02-10

Thesz, Jr., Joseph M.

Communications: electrical

Digital comparator systems

3401463C, G06K 900

Patent

active

039380890

ABSTRACT:
An improved character reading system that utilizes two separate read devices: a first read device and a second read device in combination with a random access memory for storing each character read by the first read device, a memory control circuit for writing each character into the random access memory, and a comparison logic circuit for comparing each character as read by the second read device with the corresponding character stored in the random access memory. The system also includes a time-out counter for indicating when the last character has been read and a comparison logic timing circuit for controlling the comparison logic and triggering the random access memory read control circuit so as to provide the corresponding character to the comparison logic.

REFERENCES:
patent: 3764978 (1973-10-01), Tyburski et al.
patent: 3764980 (1973-10-01), Dansac et al.
patent: 3895350 (1975-07-01), DeVries

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