Laser scanning system

Details Laser scanning system Laser scanning system

1992-04-23

1993-09-21

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359196, G02B 2608

Patent

active

052473864

ABSTRACT:
In a laser scanning system for an electrophotographic imaging apparatus, a laser beam, emitted from a laser source, is deflected to repeatedly scan a predetermined angle zone. Before the scanning of the predetermined angle zone, the deflected laser beam is received by a light receiving member. A cover member, projected from a housing of the laser scanning system, covers the light receiving member in such a fashion that the incident of the deflected laser beam is prevented from entering at least an upstream side portion of the light receiving member. The cover member allows the light receiving device to receive the deflected laser beam at a position having a predetermined positional relationship with the laser source.

REFERENCES:
patent: 4823002 (1989-04-01), Saito
patent: 4847492 (1989-07-01), Houki
patent: 4918306 (1990-04-01), Saito
patent: 4998790 (1991-03-01), Iizuka et al.
patent: 5066987 (1991-11-01), Minefuji et al.

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