Digital wipe pattern generating device

Details Digital wipe pattern generating device Digital wipe pattern generating device

1991-06-13

1993-07-27

Kostak, Victor R.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

H04N 5272

Patent

active

052314987

ABSTRACT:
A digital wipe pattern generating device includes address generators for counting horizontal and vertical synchronization pulses to generate addresses; a calculator for obtaining wipe address data by effecting a plurality of sorts of calculations in a digital manner while using predetermined coefficients, combining and selecting arbitrarily results of the calculations; and a device for generating a wipe pattern by slicing the wipe address data at a predetermined slice level. Since all processings are effected in a digital manner, it is easier to fabricate the device, using ASICs or ICs, and thus the scale of the circuits can be reduced.

REFERENCES:
patent: 3821468 (1974-06-01), Busch
patent: 4508700 (1990-03-01), Ishii et al.
patent: 4805022 (1989-02-01), Abt

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