Digital non-addition mixing apparatus for video signals

Details Digital non-addition mixing apparatus for video signals Digital non-addition mixing apparatus for video signals

1983-03-25

1986-09-09

Groody, James J.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358183, H04N 514

Patent

active

046112332

ABSTRACT:
A plurality of decoders receive digital video data represented by a binary code. The decoders send over a plurality of output lines, the number of which corresponds to the maximum values expressed by the binary code. The decoders provide an output to one of the plurality of output lines in accordance with the binary code. A wired-OR network connects the plurality of output lines with each other. A priority encoder receives signals on the plurality of output lines which are derived from the wired-OR network and encodes them into a binary code in accordance with the one output corresponding to the largest value.

REFERENCES:
patent: 3506853 (1970-04-01), Mellot
patent: 4140920 (1979-02-01), Dao et al.
patent: 4419595 (1983-12-01), Reiner
patent: 4420770 (1983-12-01), Rahman

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