LIGHT BEAM SCANNING DEVICE

PROBLEM TO BE SOLVED: To highly accurately and easily perform the fine control of information write timing to an object to be irradiated with a beam. SOLUTION: A light beam L1 outputted from a light beam generation source 2 is passed through an optical system 4 and a reflection mirror 6 and turned t...

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Bibliographic Details
Main Authors HIRANO MASAKAZU, MORITA TAKU
Format Patent
LanguageEnglish
Published 26.11.1999
Edition6
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PERFORMING OPERATIONS
PHYSICS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:PROBLEM TO BE SOLVED: To highly accurately and easily perform the fine control of information write timing to an object to be irradiated with a beam. SOLUTION: A light beam L1 outputted from a light beam generation source 2 is passed through an optical system 4 and a reflection mirror 6 and turned toward a polygon mirror 8. A scanning light beam L2 reflected on the reflection plane of the polygon mirror 8 is transmitted from a reflection fθ lens 10 to an fθ lens 12 and made incident on the surface of a photoreceptor drum omitted in the figure later, and the surface of the photoreceptor drum is exposed. A scanning light beam L3 getting out of the range to be scanned with respect to the photoreceptor drum with the rotation of the polygon mirror 8 is turned toward an optical transmitting member 16 by a reflection mirror 14 and made incident on the optical transmitting member 16. The optical transmitting member 16 is supported by a housing so as to be rotated. By rotationally operating this optical transmitting member 16, the incident scanning light beam L3 is refracted, the position of incidence to a photosensor 18 is changed and the fine control of write timing is performed.
Bibliography:Application Number: JP19990071347