Apparatus for superimposing visual subliminal instructional mate

Details Apparatus for superimposing visual subliminal instructional mate Apparatus for superimposing visual subliminal instructional mate

1995-03-24

1997-07-01

Kostak, Victor R.

Television

Basic receiver with additional function

For display of additional information

348473, H04N 5445

Patent

active

056443633

ABSTRACT:
A subliminal video instructional device comprises circuitry for receiving an underlying video signal and presenting this signal to horizontal and vertical synchronization detection circuits, circuitry for generating a subliminal video message synchronized to the underlying video signal, and circuitry for adding the subliminal video message to the underlying video signal to create a combination video signal.

REFERENCES:
patent: 3278676 (1966-10-01), Becker
patent: 3742125 (1973-06-01), Siegel
patent: 4872054 (1989-10-01), Gray et al.
patent: 5128765 (1992-07-01), Dingwall et al.
patent: 5134484 (1992-07-01), Willson
patent: 5221962 (1993-06-01), Backus et al.
patent: 5227863 (1993-07-01), Bilbrey et al.

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