Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1988-05-09
1989-08-22
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358464, 358456, H04N 140
Patent
active
048601152
ABSTRACT:
A digital copier or like image forming apparatus having a facsimile function is provided with two different matrices for halftone processing which are selectively used depending upon the operation mode, i.e., a copy mode or a facsimile mode.
REFERENCES:
patent: 4651293 (1987-03-01), Kato
Coles Sr. Edward L.
Ricoh & Company, Ltd.
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