Facsimile and static presentation processing – Facsimile – Picture signal generator
Patent
1989-07-03
1990-08-21
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Picture signal generator
358401, 358431, H04N 104
Patent
active
049511602
ABSTRACT:
An image forming apparatus includes a fixing speed setting unit for selectively setting the fixing speed in accordance with a desired mode of operation, a fixing unit for fixing a reproduced image of an original formed on a image forming medium at a variable fixing speed in accordance with the fixing speed setting unit, and a scanning unit provided with opto-electrical elements arranged in one line extended laterally to a predetermined scanning direction for optically receving an image of the original through the opto-electrical elements. The opto-electrical elements are carrying out a scanning operation in the predetermined scanning direction with varied scanning speed by changing a sweep spacing of an image data with averaging every N line of the image data in accordance with the operation mode with using every N-1 lines of the image data to reproduce the image of the original on the image forming medium.
REFERENCES:
patent: 4367493 (1983-01-01), Matteson
patent: 4426653 (1984-01-01), Komada
patent: 4631577 (1986-12-01), Yamanishi
patent: 4755877 (1988-07-01), Vollert
patent: 4862485 (1989-12-01), Maeshima
Asada Ken-ichirou
Fujioka Takanobu
Hasebe Mitsuo
Kanmoto Yoshiaki
Katsumata Akio
Coles Sr. Edward L.
Ricoh & Company, Ltd.
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