Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
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
Kostak Victor R.
Matsushita Electric - Industrial Co., Ltd.
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