发明名称 Optical scanning apparatus and image-forming apparatus using the same
摘要 At least one exemplary embodiment is directed to an optical scanning apparatus which includes a Vertical Cavity Surface Emitting Laser including a plurality of light-emitting portions that are spaced from each other in at least a sub-scanning direction, a first optical system including a light-condensing element that converts each of light beams from the laser into a light beam in another state; a deflector that reflects and deflects the light beams from the first optical system, and a second optical system that focuses the light beams deflected by the deflecting member on a surface to be scanned, where the second optical system includes at least an imaging optical element having an optical surface with a non-arc shape in a sub-scanning cross section.
申请公布号 US7636102(B2) 申请公布日期 2009.12.22
申请号 US20080196986 申请日期 2008.08.22
申请人 CANON KABUSHIKI KAISHA 发明人 KIMURA KAZUMI
分类号 G02B26/10;B41J2/447;B41J2/455 主分类号 G02B26/10
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