Optical flat bed scanning system

Details Optical flat bed scanning system Optical flat bed scanning system

1985-01-31

1986-12-16

Corbin, John K.

G02B 2610

Patent

active

046292837

ABSTRACT:
An optical flat bed scanning system, particularly useable in a typesetter, has an optical device to linearize beam deflection positions in a planar deflection plane with essentially two elements. The optical device comprises an aplanatic unit lens with an approximately planar surface and a spherically convex surface and a field flattening mirror with a spherical reflecting surface.

REFERENCES:
patent: 3469030 (1969-09-01), Priebe
patent: 4002830 (1977-01-01), Brown et al.
patent: 4179183 (1979-12-01), Tateoka et al.
patent: 4274703 (1981-06-01), Fisli
patent: 4383755 (1983-05-01), Fedder et al.
Valtec, Precision Optical Division, May 1977.
Pat. Abstract of Japan 58-62615.

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