Incremental printing of symbolic information – Light or beam marking apparatus or processes – Scan of light
Patent
1994-11-04
1995-09-05
Beatty, Robert
Incremental printing of symbolic information
Light or beam marking apparatus or processes
Scan of light
347250, G01D 942
Patent
active
054482674
ABSTRACT:
A laser beam printer which includes a laser beam emitting device for emitting a laser beam which has been modulated in accordance with image information; a rotatable deflecting device for rotatably deflecting the laser beam emitted from the beam emitting device; a rotatable photosensitive member which is scanningly exposed to light by the laser beam deflected by the deflecting device; and a control device for controlling the rotation of the deflecting device and that of the photosensitive member. The control device starts the rotation of the deflecting device after starting the rotation of the photosensitive member, so that the deflecting device reaches a predetermined rotational speed simultaneously with completion of pre-rotation of the photosensitive member.
REFERENCES:
patent: 4647946 (1987-03-01), Inuyama
patent: 4809025 (1989-02-01), Noguchi
patent: 4894669 (1990-01-01), Sugiura
patent: 4922272 (1990-05-01), Wakamatsu et al.
patent: 5043744 (1991-08-01), Fantuzzo
patent: 5107279 (1992-04-01), Yamamoto et al.
patent: 5144339 (1992-09-01), Ohashi et al.
Sugiura Yoshinori
Takeuchi Akihiko
Beatty Robert
Canon Kabushiki Kaisha
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