Composite pal video translator

Details Composite pal video translator Composite pal video translator

1988-07-28

1989-07-04

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 16, H04N 944

Patent

active

048455466

ABSTRACT:
Apparatus for translating a standard PAL composite signal into a composite signal in which the color signal is modulated on a subcarrier having an integral number of quarter cycles occurring during a line scanning interval. The standard PAL composite signal is written into a FIFO memory at 4.times.Fsc samples a second and read from the memory at 1135.times.Fh samples a second. Between fields the writing of the PAL composite signal is interrupted for two samples.

REFERENCES:
patent: 4660074 (1987-04-01), Schine

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