Light scanning apparatus

Details Light scanning apparatus Light scanning apparatus

1989-10-23

1993-03-16

Ben, Loha

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

359217, 359219, 359618, 250235, 346108, G02B 2608

Patent

active

051949814

ABSTRACT:
A light scanning apparatus is disclosed having: a light source portion, a correction deflecting element for finely deflecting a light beam emitted by the light source portion in an auxiliary scanning direction, a scan deflector for deflecting the light beam from the correction deflecting element in a principal scanning direction, a lens system disposed between the correction deflecting element and the scan deflector and adapted to bring both of them in an optically conjugate relation, and a scanning lens for imaging the light beam deflected by the scan deflector onto a scanning surface.

REFERENCES:
patent: 4306242 (1981-12-01), Jeffery
patent: 4390235 (1983-06-01), Minoura
patent: 4617578 (1986-10-01), Nezu et al.
patent: 4776654 (1988-10-01), Ishizuka et al.
patent: 4850686 (1989-07-01), Morimoto et al.
patent: 4946234 (1990-08-01), Sasada et al.
English abstract of Japanese Patent 56-107212.
English abstract of Japanese Patent 59-15216.
English abstract of Japanese Publication No. 57-84440.

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