Flat bed optical scanning beam deflection system

Details Flat bed optical scanning beam deflection system Flat bed optical scanning beam deflection system

1985-09-20

1987-09-01

Corbin, John K.

350 69, G02B 2610

Patent

active

046904859

ABSTRACT:
An optical flat bed deflection system comprises at least one rotating active reflective face (6) for deflecting a beam of parallel rays (1) along a deflection or scan line in a planar deflection plane (15), and an imaging optical system, i.e., an f.theta. lens arrangement, interposed between the active reflective face and the deflection plane. In order to reduce the disturbing influence of the bearing wobbling during rotation, on the image, a reverse-telescope like optical system is provided in front of the imaging optical system for enlarging one exit angle of the active reflective faces. In connection therewith, only two rotating active reflective faces are provided, each one of which is provided as a prism.

REFERENCES:
patent: 3667360 (1972-06-01), Vicik
patent: 3870394 (1975-03-01), Ploeckl
patent: 4154507 (1979-05-01), Barr

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