Sync generator for a color television system

Details Sync generator for a color television system Sync generator for a color television system

1979-12-14

1981-05-19

Bookbinder, Marc E.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 18, H04N 944

Patent

active

042688523

ABSTRACT:
In a sync generator for a color television system, a carrier signal having a frequency of four times the color subcarrier frequency 4f.sub.sc is counted down to produce a color subcarrier signal as well as vertical and horizontal synchronizing signals for an NTSC or PAL-M color system. A color framing signal, which indicates a predetermined point in the four sequentially repeating color fields making up an NTSC color signal, or in the eight sequentially repeating color fields making up a PAL-M color signal, is generated in response to the carrier signal, and a re-timing circuit establishes synchronism between the color subcarrier and the color framing signal. Burst-flag and line odd-even signals are also produced for the PAL-M system.

REFERENCES:
patent: 4024572 (1977-05-01), Derenbecher
patent: 4162508 (1979-07-01), Tatami

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