Two-dimensional scanning optical system with distortion correcti

Details Two-dimensional scanning optical system with distortion correcti Two-dimensional scanning optical system with distortion correcti

1979-02-13

1981-03-17

Henry, Jon W.

350 691, G02B 2717

Patent

active

042563640

ABSTRACT:
A two-dimensional scanning optical system comprising a deflector capable of two-dimensional deflection of a light beam in two mutually orthogonal directions, an imaging lens system provided with a predetermined distortion characteristic and capable of focusing the light beam deflected by said deflector onto a plane to be scanned, and a light source for introducing said light beam into said deflector in a direction parallel to the optical axis of said imaging lens system, thereby achieving a scanning on said plane with substantially linear scan lines.

REFERENCES:
patent: 3733979 (1973-05-01), England
patent: 4054361 (1977-10-01), Noguchi

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