Composite color signal-handling circuit

Details Composite color signal-handling circuit Composite color signal-handling circuit

1977-10-12

1979-11-13

Richardson, Robert L.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 912

Patent

active

041745221

ABSTRACT:
A composite color signal-handling circuit comprising a phase-shifter for shifting the phase of a composite color signal; a first gate circuit for extracting a chrominance signal out of an output signal from the phase shifter; a second gate circuit for extracting a burst signal out of said output signal from the phase-shifter; a circuit for controlling the amplitude of a chrominance signal extracted by the first gate circuit; a circuit for controlling the phase of a burst signal extracted by the second gate circuit; and means for composing together output signals from the amplitude-controlling circuit and phase-controlling circuit for reproducing a composite color signal, and wherein means is provided to minimize a difference between phase distortions occurring in a first signal transmission line extending from the first gate circuit to the composite color signal-reproducing means and a second signal transmission line extending from the second gate circuit to the composite color signal-reproducing means.

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