Scanning optical system

There is provided a scanning optical system, which is provided with a light source that emits at least one beam, a polygonal mirror, and an imaging optical system that converges the at least one beam deflected by the polygonal mirror to form at least one beam spot on a surface to be scanned. The at...

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Main Authors Takeuchi, Shuichi, Takakubo, Yutaka
Format Patent
LanguageEnglish
Published 20.03.2007
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Abstract There is provided a scanning optical system, which is provided with a light source that emits at least one beam, a polygonal mirror, and an imaging optical system that converges the at least one beam deflected by the polygonal mirror to form at least one beam spot on a surface to be scanned. The at least one beam incident on the polygonal mirror is inclined in an auxiliary scanning direction which is perpendicular to the main scanning direction. Further, at least one lens surface of the imaging optical system is configured such that a beam reflected therefrom proceeds toward an outside region of the polygonal mirror.
AbstractList There is provided a scanning optical system, which is provided with a light source that emits at least one beam, a polygonal mirror, and an imaging optical system that converges the at least one beam deflected by the polygonal mirror to form at least one beam spot on a surface to be scanned. The at least one beam incident on the polygonal mirror is inclined in an auxiliary scanning direction which is perpendicular to the main scanning direction. Further, at least one lens surface of the imaging optical system is configured such that a beam reflected therefrom proceeds toward an outside region of the polygonal mirror.
Author Takakubo, Yutaka
Takeuchi, Shuichi
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References Takakubo (6853470) 20050200
(3-5562) 19910100
Iima et al. (5646767) 19970700
Minoura (5191463) 19930300
(7-287180) 19951000
(10-073778) 19980300
English Language Abstract of JP 10-073778.
Iwasaki (5661587) 19970800
(7-230051) 19950800
Panasonic Polygon Mirror-Scanner Motor MASQ Series, Catalog 1997-1998.
Iizuka et al. (2004/0036974) 20040200
(11-84303) 19990300
(2001-305459) 20011000
Takeuchi (5946126) 19990800
Omura et al. (5095383) 19920300
Iizuka et al. (6954222) 20051000
(5-346553) 19931200
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Title Scanning optical system
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