Bilateral anti-copying device for video systems

Details Bilateral anti-copying device for video systems Bilateral anti-copying device for video systems

1989-05-26

1992-07-28

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

380 5, 360 60, H04N 576

Patent

active

051344963

ABSTRACT:
A video system anti-copying device in which leading and trailing code sequences are inserted into the luminance portion of a video signal. These code sequences are visually manifested as dropouts on a video monitor. When the sequences match, operation of record circuitry in a video recorder is inhibited.

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