Scanning optical system having a tilting correcting function

Details Scanning optical system having a tilting correcting function Scanning optical system having a tilting correcting function

1984-04-18

1986-04-29

Henry, Jon W.

350 68, 350434, G02B 2717, G02B 306

Patent

active

045852960

ABSTRACT:
A compact scanning optical system includes a scanning light beam generator, a detector for deflecting the light beam from the generator in a predetermined direction, a first optical system for forming the light beam from the generator linearly near the deflecting and reflecting surface of the deflector, and a single optical element disposed and having a power between the deflector and a surface to be scanned. The single optical element has a power both in the deflection plane of the light beam deflected by the deflector and a plane orthogonal to the deflection plane and has different powers in the orthogonal planes.

REFERENCES:
patent: 3750189 (1973-01-01), Fleischer
patent: 3787107 (1974-01-01), Sick et al.
patent: 3865465 (1975-02-01), Tatuoka et al.
patent: 3870394 (1975-03-01), Ploeckl
patent: 3890034 (1975-06-01), Ploeckl
patent: 3984171 (1976-10-01), Hotchkiss
patent: 3995110 (1976-11-01), Starkweather
patent: 4073566 (1978-02-01), Noguchi
patent: 4123135 (1978-10-01), Rabedeau
patent: 4281889 (1981-08-01), Noguchi
patent: 4379612 (1983-04-01), Matsuoka et al.
J. M. Fleischer et al, IBM Jour. of R. & D., vol. 21, No. 5, Sep. 1977, pp. 479-483.

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