Apparatus for generating television raster distortion correction

Details Apparatus for generating television raster distortion correction Apparatus for generating television raster distortion correction

1992-03-09

1993-11-02

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358167, 358154, H04N 504

Patent

active

052588408

ABSTRACT:
A correction signal generating circuit for a television receiver includes a counter for counting a pulse synchronized with a horizontal sync signal, a memory for storing correction data and a coefficient, and a unit for multiplying and adding contents of the counter and the memory. A signal feedback loop supplies an output from the multiplying and adding unit to an input thereof, and a control unit controls operation of the memory and the multiplying and adding unit, thereby generating a correction signal.

REFERENCES:
patent: 4110789 (1978-08-01), Maly
patent: 4578705 (1986-03-01), Elmis et al.
patent: 4803407 (1989-02-01), Mehrgardt
patent: 4926361 (1990-05-01), Ohtsubo et al.
patent: 5162910 (1992-11-01), Willis

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