Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1990-07-13
1993-01-19
Brinich, Stephen
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
358429, 358455, 358248, 358296, 358446, 358447, H04N 140
Patent
active
051811278
ABSTRACT:
An image forming apparatus such as a digital color copy machine is disclosed. The image forming apparatus provides an image reader, an amplifier for amplifying image signals read by the image reader, a laser driver for driving a laser diode to form an image on a recording medium and a switching circuit for switching the amplification gain according to the kind of image to be formed.
REFERENCES:
patent: 4763199 (1988-08-01), Suzuki
patent: 4782398 (1988-11-01), Mita
patent: 4873428 (1989-10-01), Takeuchi et al.
patent: 5032928 (1991-07-01), Sakai et al.
patent: 5101283 (1992-03-01), Seki et al.
Nishiyama Masaaki
Ogino Shigeo
Brinich Stephen
Grant II Jerome
Minolta Camera Kabushiki Kaisha
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