Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1988-03-01
1989-07-11
Shepperd, John W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
358 28, 358 30, H04N 968
Patent
active
048476790
ABSTRACT:
A digital chroma signal processing apparatus wherein control signals represent the burst period, the image period and the remaining period of a digital chrominance signal. A multiplier receives a selected one of an ACC signal and the chrominance signal, multiplies it with a second signal and outputs the resultant produced. A matrix coefficient section includes a generator to generate a plurality of matrix coefficients; a cyclic arrangement of dynamic shift registers to store selected matrix coefficients; and a multiplexer to input to the dynamic shift registers, in accordance with the control signal, a selected one of the product signal and the output signal of the dynamic shift registers. The second signal is generated by a selection between the ACC signal and the output signal of the shift registers. The resultant chrominance signal processing circuit is thus controlled by a small number of simple control signals.
REFERENCES:
patent: 4542402 (1985-09-01), Ader
patent: 4554576 (1985-11-01), Kao
patent: 4568967 (1986-02-01), Freyberger et al.
patent: 4661841 (1987-04-01), Suzuki
Kabushiki Kaisha Toshiba
Shepperd John W.
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