Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1990-10-30
1992-09-01
Reinhart, Mark J.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
358296, H04N 121
Patent
active
051443392
ABSTRACT:
An exposing device for scanning a photosensitive drum with a laser beam includes a laser beam emitter, a polygonal mirror, a mirror motor and a controlling unit having a timer circuit. The laser beam emitter emits a laser beam based on information of an image. The polygonal mirror deflects the laser beam emitted from the laser beam emitter to the photosensitive drum. The mirror motor rotates the polygonal mirror. When the exposing operation is executed, the controlling unit drives the mirror motor and the laser beam emitter. The photosensitive drum is thus scanned by the laser beam and is exposed. The controlling unit stops the driving of the laser beam emitter when the scanning of the photosensitive drum is finished. The controlling unit continually drives the mirror motor during a predetermined time from the end of the scanning of the photosensitive drum. The controlling unit stops the driving of the mirror motor after the predetermined time passes.
REFERENCES:
patent: 4059833 (1977-11-01), Kitamura et al.
patent: 4647946 (1987-03-01), Inuyama
patent: 5023631 (1991-06-01), Negishi et al.
Hirahata Shinichi
Ohashi Tsuyoshi
Brother Kogyo Kabushiki Kaisha
Reinhart Mark J.
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