Preobjective hologon scanner system

Details Preobjective hologon scanner system Preobjective hologon scanner system

1984-07-27

1986-04-22

Arnold, Bruce Y.

G02B 2610

Patent

active

045838160

ABSTRACT:
A hologon scanner system in which a laser beam is scanned across a receptor surface with an essentially bow-free scan. A focusing lens comprised of symmetrical, nonanamorphic optical elements is positioned in the scanned beam between the hologon deflector and the image plane. The focusing lens is provided with barrel or pincushion distortion and is tilted with respect to the scanned beam and bends the beam to correct for the bow introduced by the hologon deflector.

REFERENCES:
patent: 3940202 (1976-02-01), Kato et al.
patent: 3953105 (1976-04-01), Ih
patent: 4094576 (1978-06-01), Heiling
patent: 4289371 (1981-09-01), Kramer
patent: 4508421 (1985-04-01), Herloski
Kramer, Charles J., "Holographic Laser Scanner, for Nonimpact Printing", Laser Focus, Jun. 1981, pp. 70-82.
Kramer, Charles J., "Hologon Lase Scanners for NonImpact Printing", Proceedings of the SPIE, vol. 390, pp. 165-173.
Funato, Hiroyoshi, "Holographic Scanner for Laser Printer", Proceeding of the SPIE, vol. 390, pp. 174-182.

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