Light beam scanning device

Details Light beam scanning device Light beam scanning device

1988-08-08

1990-06-05

LaRoche, Eugene R.

350319, 350276R, G02B 2610

Patent

active

049308696

ABSTRACT:
A light beam scanning device for scanning an object to read image information therefrom or record image information thereon includes a reflecting-mirror light deflector for reflecting and deflecting a light beam in a plane, and a scanning lens for passing the light beam deflected by the light deflector toward the object. An optical element such as a glass plate has an entrance surface for allowing the light beam to pass therethrough to the light deflector, and directs the light beam from the light deflector therethrough to the scanning lens. The entrance surface is inclined at a predetermined angle to a direction normal to an optical axis of the scanning lens.

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