Dual standard color framer

Details Dual standard color framer Dual standard color framer

1980-01-15

1981-04-07

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 4, H04N 946

Patent

active

042610087

ABSTRACT:
A color framing circuit is usable for both PAL & NTSC video signals. To do this, it detects the direction of zero crossings of the color burst with respect to the preceding horizontal sync pulse for at least two consecutive lines.

REFERENCES:
patent: 3567862 (1971-03-01), Carnt et al.
patent: 4052733 (1977-10-01), Derenbecher, Jr.
patent: 4101926 (1978-07-01), Dischert et al.

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