Exposure device of electrophotographic apparatus with optical pa

Details Exposure device of electrophotographic apparatus with optical pa Exposure device of electrophotographic apparatus with optical pa

1995-07-14

1998-10-06

Yockey, David F.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347242, 347243, B41J 2435, B41J 247

Patent

active

058184961

ABSTRACT:
An exposure device of an electrophotographic apparatus which includes a rotary polyhedral mirror for scanning a plurality of laser beams on a photosensitive body, a beam interval adjusting member for adjusting an interval between the laser beams, a rotating mechanism for rotating the beam interval adjusting member, and an optical path position deciding device disposed on the side of the rotary polyhedral mirror in a laser beam advancing direction at the time of adjustment of the laser beam interval, the beam interval adjusting member being rotated so that the optical paths of the laser beams are decided by the optical path position deciding device. The optical path position deciding device may include a plate-like member with boresights or a CCD sensor and a CRT display.

REFERENCES:
patent: 5225924 (1993-07-01), Ogawa et al.
patent: 5434600 (1995-07-01), Schoon

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