Incremental optical code reader, particularly of the wholly inte

Details Incremental optical code reader, particularly of the wholly inte Incremental optical code reader, particularly of the wholly inte

1986-07-23

1988-09-06

Miller, Charles D.

Coded data generation or conversion

Digital pattern reading type converter

Real and complementary patterns

250231SE, 341 13, H03M 122

Patent

active

047696303

ABSTRACT:
An incremental optical code reader of the wholly integrated type including a reading assembly, a pair of photodiodes, a differential amplifier receiving the outputs of the photodiodes and a trigger connected to the output of the amplifier. An electronic assembly with "exclusive OR" logic gates, AND logic gates and OR logic gates, receiving the outputs of the triggers for the channels and feeding into the outputs.

REFERENCES:
patent: 3729621 (1973-04-01), Taisne
patent: 4410798 (1983-10-01), Breslow
patent: 4580047 (1986-04-01), Sasaki
patent: 4644157 (1987-02-01), Ozawa
patent: 4649267 (1987-03-01), Ray

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