Uniform speed scanning lens having a high resolving power

Details Uniform speed scanning lens having a high resolving power Uniform speed scanning lens having a high resolving power

1984-11-27

1985-07-09

Corbin, John K.

350420, 350464, 350465, G02B 958, G02B 960, G02B 2717

Patent

active

045278580

ABSTRACT:
A uniform speed scanning lens having a high resolving power comprises, in succession from the object side to the image side, a first component comprising a negative meniscus lens having its concave surface facing the object side, a second component comprising two or more positive lenses, and a third component comprising a negative lens having its concave surface facing the object side.

REFERENCES:
patent: 4130339 (1978-12-01), Kawamura et al.
patent: 4130350 (1978-12-01), Koizumi
patent: 4277128 (1981-07-01), Kawamura
Minami et al., "Optical Lens System for Laser Beam Printer", Proc. Soc. Photo-Opt. Instrum. Eng., vol. 193, 1979, pp. 202-208.

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