Vertical code verifier

Details Vertical code verifier Vertical code verifier

1982-03-08

1984-10-23

Masinick, Michael A.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358 10, 358139, 358142, H04N 962

Patent

active

044791461

ABSTRACT:
Apparatus for verifying the accuracy of insertion of code signals in the vertical intervals of video signals. The code signals are inserted in accordance with a procedure characteristic of a specified encoding format. The accuracy of insertion is verified by testing the codes against a predetermined set of conditions related to the procedure. Failure to meet one of the conditions results in the generation of an error signal.

REFERENCES:
patent: 4124209 (1979-07-01), Hedlund
patent: 4240100 (1980-12-01), Gorbold
patent: 4276564 (1981-06-01), Watson
patent: 4358787 (1982-11-01), Oprandi
patent: 4394687 (1983-07-01), Hutt

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