Signal processing unit

Details Signal processing unit Signal processing unit

1982-09-01

1984-12-18

Martin, John C.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 27, H04N 9535

Patent

active

044893442

ABSTRACT:
In a signal processing device, such as a television receiver, a multiplex signal processing circuit with a switching device for selecting either a first image signal and a second image signal. A clamping circuit is provided for clamping the pedestal potential of the second signal at a reference voltage, a comparator compares the pedestal potential of the first signal with the reference voltage, and the pedestal potential of the first signal is equalized to the reference signal in accordance with the comparator output.

REFERENCES:
patent: 3651248 (1972-03-01), Schneider

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