Light scanning device using lenses

Details Light scanning device using lenses Light scanning device using lenses

1983-11-10

1986-11-11

Corbin, John K.

350432, G02B 302, G02B 2610

Patent

active

046218920

ABSTRACT:
A light scanning device for reading or writing information by irradiating laser light onto a scanning plane. The light scanning device comprising a light source for irradiating the scanning plane with laser light along an optical path, and a rotating disc with at least one lens having at least one aspheric surface disposed in the optical path of the laser light irradiated from the light source for providing a microlight spot forming a light scanning line on the scanning plane.

REFERENCES:
patent: 1810598 (1931-06-01), Cummings
patent: 2531956 (1950-11-01), Waldorf et al.
patent: 3036491 (1962-05-01), Schier
patent: 4383755 (1983-05-01), Fedder et al.

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