Scanning optical apparatus

Details Scanning optical apparatus Scanning optical apparatus

1996-09-25

1999-03-30

Phan, James

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359205, 359212, 359216, 359819, 347259, G02B 2608

Patent

active

058896066

ABSTRACT:
A scanning optical apparatus includes a light source unit, a deflector for deflectively scanning a light beam from the light source unit, an optical box in which the deflector is accommodated and an optical system for focusing the light beam deflectively scanned by the deflector on a predetermined surface. The optical system is supported by the optical box and having upside-down prevention mechanism which interferes with a predetermined portion of the optical box to prevent upside-down mounting of the optical system.

REFERENCES:
patent: 4007471 (1977-02-01), Land et al.
patent: 5111340 (1992-05-01), Kashima et al.
patent: 5191483 (1993-03-01), Takizawa et al.
patent: 5280379 (1994-01-01), Sugiura
patent: 5486954 (1996-01-01), Niikawa et al.
patent: 5521763 (1996-05-01), Ono et al.
A. Arimoto, et al., "Laser Scanning System Using A Rotationally Asymmetric Aspheric Surface", Applied Optics, vol. 30, No. 6, Feb. 20, 1991, pp. 699-704.

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