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    • 35. 发明申请
    • Light beam scanning device
    • 光束扫描装置
    • US20090225386A1
    • 2009-09-10
    • US11630523
    • 2005-06-21
    • Kenichi HayashiTakeshi Ozawa
    • Kenichi HayashiTakeshi Ozawa
    • G02B26/10
    • G02B26/10B41J2/471G02B26/0875G02B26/108H04N1/0283
    • The light beam scanning device (1) comprises light source device (2) which emits a light beam, disk-shaped refracting optical element (3) which refracts a light beam emitted from light source device (2), and drive motor (4) which rotationally drives refracting optical element (3). In light beam scanning device (1), when the light beam emitted from light source device (2) is made incident on refracting optical element (3) while having refracting optical element (3) rotated, and the light beam is refracted with refracting optical element (3) and scanned in a predetermined direction. Such light beam scanning device (1) can be downsized even when a light beam scanning is carried out at high resolution.Moreover, light beam scanning device (1) has superior temperature characteristics and can scan a light beam of stable strength.
    • 光束扫描装置(1)包括发射光束的光源装置(2),折射从光源装置(2)发射的光束的盘形折射光学元件(3)和驱动电动机(4) 其旋转地驱动折射光学元件(3)。 在光束扫描装置(1)中,当使光源装置(2)发射的光束入射到折射光学元件(3)的同时折射光学元件(3)旋转,并且光束被折射光学 元件(3)并沿预定方向扫描。 即使以高分辨率执行光束扫描,这种光束扫描装置(1)也可以被小型化。 此外,光束扫描装置(1)具有优异的温度特性,并能够扫描稳定强度的光束。