Facsimile and static presentation processing – Facsimile – Facsimile memory monitoring
Patent
1995-03-08
1998-01-06
Vu, Kim
Facsimile and static presentation processing
Facsimile
Facsimile memory monitoring
358444, 358451, 358462, H04N 100
Patent
active
057061025
ABSTRACT:
A data managing device according to the present invention processes the same object pixel before and after variable magnification processing, and collectively manages processing data before and after the variable magnification processing by making access to a memory once. In the variable magnification processing before and after which the number of object pixels differs, 1-bit BF data for area separation processing performed before the variable magnification processing and 7-bit produced error data for error diffusion processing performed after the variable magnification processing are mixed, and data composed of a total of 8 bits which is obtained by the mixing is read out/written from and to the same address in a SRAM 4 at the same access timing. Therefore, at the time of reduction processing, a reduction processing control signal SMWAIT is produced, and error diffusion processing is stopped when the signal is at a high level.
REFERENCES:
patent: 4554593 (1985-11-01), Fox et al.
patent: 4725892 (1988-02-01), Suzuki et al.
patent: 5235436 (1993-08-01), Sakamoto et al.
Azumai Hideo
Iwatsubo Satoshi
Okumura Takuji
Grant II Jerome
Mita Industrial Co. Ltd.
Vu Kim
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