Optical: systems and elements – Deflection using a moving element – Using a periodically moving element
Patent
1990-09-14
1994-07-05
Ben, Loha
Optical: systems and elements
Deflection using a moving element
Using a periodically moving element
359205, 359212, G02B 2610
Patent
active
053272803
ABSTRACT:
A scanning optical system according to the present invention comprises a laser light source, a scanning deflector for deflecting a laser beam from said laser light source, a scanning lens for focusing deflected light on a scanning surface, a focusing point changing element for changing a focusing point so that a curvature of field is reduced.
REFERENCES:
patent: 3360659 (1964-04-01), Young
patent: 4099829 (1978-07-01), Straayer
patent: 4128297 (1978-12-01), Bourne
patent: 4274101 (1981-06-01), Kataoka et al.
patent: 4521113 (1985-06-01), Kuwabara et al.
patent: 4620768 (1986-11-01), Tatsuno et al.
patent: 4715699 (1987-12-01), Morimoto
patent: 4733064 (1988-03-01), Ishikawa
patent: 4756583 (1988-07-01), Morimoto
patent: 4850686 (1989-07-01), Morimoto et al.
patent: 4863227 (1989-09-01), Takanashi
patent: 4906061 (1990-03-01), Yamaguchi
patent: 4930869 (1990-06-01), Miyagawa et al.
patent: 5134513 (1992-07-01), Morimoto
patent: 5194982 (1993-03-01), Morimoto
Asahi Kogaku Kogyo Kabushiki Kaisha
Ben Loha
Nguyen Thong
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