Scanning projection apparatus

Details Scanning projection apparatus Scanning projection apparatus

1979-11-07

1982-07-27

Braun, Fred L.

Photocopying

Including fiber optics

355 51, 355 60, G03G 1528, G03B 2734

Patent

active

043414591

ABSTRACT:
A scanning projection apparatus including a first imaging optical system, a first plane provided on one side of the optical system, a deflector for deflecting a light beam emerging from the first plane and passing through the first imaging optical system, a second imaging optical system for receiving the light beam deflected by the deflector and a second plane provided at the focusing position of the light beam by the second imaging optical system, whereby the first plane is scanned with a slit of a width .DELTA.S, using the deflector, and the thus obtained slit image of the first plane is projected in succession on a determined position in said second plane, wherein the slit width .DELTA.S is selected to satisfy a relation .DELTA.S<1/Rp in which Rp represents the resolving power of the image on the second plane, and wherein the first or second imaging optical system includes elements for correcting the image magnification in the longitudinal direction of the slit.

REFERENCES:
patent: 3537373 (1970-11-01), Land
patent: 3576368 (1971-04-01), Goetz et al.
patent: 4125323 (1978-11-01), Ikeda et al.
patent: 4158497 (1979-06-01), Suzuki et al.
patent: 4170412 (1979-10-01), Grace et al.
patent: 4213690 (1980-07-01), Sugiura et al.

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