公开(公告)号：US20040008248A1

公开(公告)日：2004-01-15

申请号：US10459432

申请日：2003-06-12

Applicant: PENTAX Corporation

Inventor： Mitsunori Iima ,  Toshimitsu Saito ,  Tadashi Minakuchi ,  Shoji Iwazaki

IPC: B41J015/14 ,  B41J027/00

CPC classification number: B41J2/473

Abstract: A multi-beam scanning device includes a light source for emitting a plurality of laser beams, a polygon mirror for deflecting the laser beams so that the laser beams scan across an object surface in a main scanning direction, an fnull lens disposed between the polygon mirror and the object surface, and a cylindrical lens that converges each laser beam in a vicinity of the polygon mirror in the auxiliary direction. A mirror is disposed between the light source and the cylindrical lens which deflects the laser beams in the auxiliary scanning direction. The mirror is rotatably supported by a mirror holder such that the traveling direction of the laser beams deflected by the mirror can be adjusted.

Abstract translation: 多光束扫描装置包括用于发射多个激光束的光源，用于使激光束偏转的多面镜，使得激光束沿主扫描方向扫描物体表面，设置在多面体镜之间的焦距透镜 和物体表面，以及在辅助方向上将多个反射镜附近的每个激光束会聚的柱面透镜。 在光源和沿辅助扫描方向偏转激光束的柱面透镜之间设置一个反射镜。 反射镜由反射镜保持器可旋转地支撑，使得可以调节由反射镜偏转的激光束的行进方向。