Signal peaking device for single-line video input

Details Signal peaking device for single-line video input Signal peaking device for single-line video input

1984-08-06

1987-05-19

Chin, Tommy P.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 514

Patent

active

046672397

ABSTRACT:
A signal peaking device for a single line video input has a transversal filter with a plurality of sample and hold (S & H) circuits, a corresponding plurality of line drivers and output switches. The output switches are connected to a plurality of weighting circuits and a summer that sums the weighted output of the output switches. A free running digital shift register generates the sample pulse that operates the sample and hold circuits.

REFERENCES:
patent: 4121248 (1976-10-01), Coale
patent: 4142207 (1979-02-01), McCormack
patent: 4178612 (1979-12-01), Dudley
patent: 4327377 (1982-04-01), Takken
patent: 4379232 (1983-04-01), Hopper

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