Post-objective type scanning device

Details Post-objective type scanning device Post-objective type scanning device

1984-12-20

1986-12-09

Corbin, John K.

G02B 2610

Patent

active

046276858

ABSTRACT:
A post-objective type scanning device which effects scanning after a beam has been formed into a condenser light flux by an optical deflector used for laser printers or the like includes a focusing cylindrical lens in the vicinity of the scanning surface. The cylindrical lens and scanning surface are arranged to provide a geometric optically conjugate perpendicular to the scanning line so as to correct irregularities in the scanning line and to reduce the curvature of the resulting image surface.

REFERENCES:
patent: 3320255 (1983-12-01), Cano
patent: 4318583 (1982-03-01), Goshima et al.

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