Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1991-02-22
1992-09-15
Hannaher, Constantine
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
250236, G02B 2610
Patent
active
051483041
ABSTRACT:
A light beam passing through a first image-forming system is deflected by a deflector. The deflected light impinges upon a second image-forming system which comprises a scanning lens and an anamorphic lens. The scanning lens and the anamorphic lens are disposed in this order from the deflector side. The light beam passing through the anamorphic lens is finally focused on a surface to be scanned with no curvature of field.
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Dainippon Screen Mfg. Co,. Ltd.
Glick Edward J.
Hannaher Constantine
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