Scanning optical system

Details Scanning optical system Scanning optical system

1990-09-14

1994-07-05

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359205, 359212, G02B 2610

Patent

active

053272803

ABSTRACT:
A scanning optical system according to the present invention comprises a laser light source, a scanning deflector for deflecting a laser beam from said laser light source, a scanning lens for focusing deflected light on a scanning surface, a focusing point changing element for changing a focusing point so that a curvature of field is reduced.

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