Scanning optical system having a fall-down correcting function

Details Scanning optical system having a fall-down correcting function Scanning optical system having a fall-down correcting function

1980-08-28

1983-04-12

Corbin, John K.

350432, 350247, G02B 2717

Patent

active

043796125

ABSTRACT:
A scanning optical system provided with a light source portion, a first imaging optical system for linearly imaging the light beam emitted from the light source portion, a deflector having its deflecting-reflecting surface near the linear image formed by said first imaging optical system, a scanned medium scanned by the light beam deflected by the deflector, and a second imaging optical system disposed between the scanned medium and the deflector and comprising, in succession from the deflector side, a spherical single lens and a single lens having a toric surface.

REFERENCES:
patent: 3750189 (1973-07-01), Fleischer
patent: 3865465 (1975-02-01), Tatuoka et al.
patent: 3946150 (1976-03-01), Grafton
patent: 4123135 (1978-10-01), Rabedeau

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