Optical Scanning device

Details Optical Scanning device Optical Scanning device

1995-10-24

1997-04-15

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359208, 359216, 359217, 359218, 250236, G02B 2608

Patent

active

056215622

ABSTRACT:
In an optical scanning device, a redirecting flat mirror is provided that redirects a laser flux from a laser source to a polygonal mirror. In order to reduce the size of the optical scanning device in the direction in which the optical elements are generally aligned, the flat mirror is placed between the polygonal mirror and a curved surface mirror. Preferably, the polygonal mirror is arranged between the curved surface mirror and an anamorphic lens to further reduce the size. Further, the laser source may be placed between the curved surface mirror and the anamorphic lens.

REFERENCES:
patent: 4054361 (1977-10-01), Noguchi
patent: 5134513 (1992-07-01), Morimoto
patent: 5194982 (1993-03-01), Morimoto
patent: 5218461 (1993-06-01), Aoyama et al.
patent: 5299050 (1994-03-01), Morimoto et al.
patent: 5408095 (1995-04-01), Atsuumi et al.
patent: 5452119 (1995-09-01), Morimoto et al.
patent: 5506719 (1996-04-01), Murakami et al.

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