Color television receiver with means for disabling VIR correctio

Details Color television receiver with means for disabling VIR correctio Color television receiver with means for disabling VIR correctio

1980-05-19

1983-03-01

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 27, 358 28, 358310, H04N 9535

Patent

active

043756468

ABSTRACT:
In a color television receiver adapted to receive a color television signal containing vertical interval reference (VIR) signals, a VIR correction circuit is provided to automatically control the hue and color saturation of the received broadcast signal, which may also be coupled to a video tape recorder of the type in which adjacent field signals are recorded with their respective record tracks being skewed relative to each other to permit elimination of otherwise required guardbands between adjacent field tracks. The recorded video signal is reproduced by mixing adjacent horizontal line signals to reduce crosstalk level. A disabling circuit is provided to disable the VIR correction circuit when the receiver is switched to the output of the video tape recorder in playback mode to prevent false VIR signals due to the mixing from affecting the reproduced colors.

REFERENCES:
patent: 4223338 (1980-09-01), Tamaru et al.

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