Color framing signal generator

Details Color framing signal generator Color framing signal generator

1981-04-01

1984-06-12

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 19, H04N 962, H04N 9535

Patent

active

044545304

ABSTRACT:
A color framing signal generator having a LED (light emitting diode) indicator is disclosed, wherein phase relations between a color burst signal and a horizontal sync (synchronizing) pulse of an incoming composite color video signal are indicated by the LED indicator. The generator has a mode selection switch and an adjustment volume. When the mode selection switch is changed to an adjust position, the phase of a generated color subcarrier signal to be supplied to a color frame detecting circuit is able to be shifted to more desired phase for stable color framing detection.

REFERENCES:
patent: 3862365 (1975-01-01), Kobayashi
patent: 3974520 (1976-08-01), Kroyanagi
patent: 4052733 (1977-10-01), Derenbecher, Jr.
patent: 4153911 (1979-05-01), Isono
patent: 4268853 (1981-05-01), Nakamura

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