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    • 5. 发明申请
    • Laser scanning optical apparatus
    • 激光扫描光学仪器
    • US20070120944A1
    • 2007-05-31
    • US11519769
    • 2006-09-13
    • Kenji TakeshitaAtsushi OhataHajime Taniguchi
    • Kenji TakeshitaAtsushi OhataHajime Taniguchi
    • B41J2/435
    • B41J2/473G02B26/123
    • A laser scanning optical apparatus wherein a plural number of beams are deflected by one polygon mirror and are scanned on respective corresponding photosensitive drums via a scanning optical system. The scanning optical system has a first scanning lens which transmits all the beams, exclusive second scanning lenses which transmit exclusively the respective beams and plane mirrors for reflecting the beams. The second scanning lenses are located such that at least one of the second scanning lenses is at a distance from the corresponding photosensitive drum on which the beam transmitted by the at least one of the second scanning lenses is scanned and that another second scanning lens is at another distance from the corresponding photosensitive drum on which the beams transmitted by the another second scanning lens is scanned. For example, at least one of the exclusive optical elements is at a distance from the corresponding photosensitive drum, and the other exclusive optical elements are at another distance from the respective corresponding photosensitive drums. Alternatively, the exclusive optical elements are at mutually different distances from the respective corresponding photosensitive drums.
    • 一种激光扫描光学装置,其中多个光束被一个多面镜偏转并且经由扫描光学系统在相应的对应的感光鼓上进行扫描。 扫描光学系统具有透射所有光束的第一扫描透镜,专门发送各个光束的专用第二扫描透镜和用于反射光束的平面镜。 第二扫描透镜被定位成使得至少一个第二扫描透镜距离相应的感光鼓一个距离,在该感光鼓上扫描由至少一个第二扫描透镜发射的光束,并且另一个第二扫描透镜处于 距离相应的感光鼓的另一个距离,其上扫描由另一个第二扫描透镜传输的光束。 例如,至少一个专用光学元件距离对应的感光鼓有一定距离,而其他专用光学元件距离各个相应的感光鼓相距一定距离。 或者,专用光学元件与相应的相应的感光鼓相距不同的距离。