Apparatus for combining video signals

Details Apparatus for combining video signals Apparatus for combining video signals

1988-07-18

1989-07-25

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 5275

Patent

active

048519120

ABSTRACT:
A first shaped video signal V.sub.1 K.sub.1 and a second shaped video signal V.sub.2 V.sub.2, are combined so as to generate a third shaped video signal V.sub.3 ' given by

REFERENCES:
patent: 3673324 (1972-06-01), Ito
patent: 4028727 (1977-06-01), Skrydstrup
patent: 4420770 (1983-12-01), Rahman
Compositing Digital Images (Porter/Duff) 1984.

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