Video signal synthesizing system for synthesizing system's own s

Details Video signal synthesizing system for synthesizing system's own s Video signal synthesizing system for synthesizing system's own s

1992-02-19

1993-12-07

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

345200, H04N 5262

Patent

active

052687627

ABSTRACT:
In a video signal synthesizing system for synthesizing at least one inner video signal such as an analog video signal, digital image data, and encoded, compressed image data and so on from a system's own apparatus and an external analog video signal such as a character signal from an external apparatus; the inner video signal is converted into a digital video signal and the synchronous signal thereof is detected; the inner digital video signal is synthesized in digital form if a plurality of the inner video signal exists and stored in a memory; the level of the external analog video signal and the synchronous signal thereof are adjusted to be equal to the level of the inner video signal and the synchronous signal thereof, and then the adjusted external video signal and the inner video signal transmitted from the memory and converted to the analog signal are synthesized by the analog video signals adding means to be displayed by the display.

REFERENCES:
patent: 5027212 (1991-06-01), Marlton et al.
patent: 5099331 (1992-03-01), Truong

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