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    • 3. 发明专利
    • Optical deflector and optical device
    • 空值
    • JP5319939B2
    • 2013-10-16
    • JP2008062011
    • 2008-03-12
    • 株式会社リコースタンレー電気株式会社
    • 哲郎 齋藤栄二 望月幸人 佐藤喜昭 安田雅洋 赤松雅直 谷
    • G02B26/08B81B3/00G02B26/10H02N2/00H04N1/036
    • PROBLEM TO BE SOLVED: To provide an optical deflector that is capable of obtaining a large angle of deflection and an operation at a large amplitude, and that also facilitates miniaturization, reduced thinness, and reduced mass and weight thereof. SOLUTION: An optical deflector includes a plurality of piezoelectric unimorph oscillating bodies 210a to 210d that cause a reflecting plate 1 to oscillate rotationally, centering upon a pair of flexible support units 2a and 2b. The optical deflector forms a single structure of the oscillating plates 23a to 23d, the reflecting plate 1, the flexible support units 2a and 2b, and a support body 9, by connecting one set of the both terminals of the oscillating plates 23a to 23d of the suite of piezoelectric unimorph oscillating bodies 210a to 210d to the flexible support units 2a and 2b, and connecting the other set of the both terminals to the support body 9. Furthermore, the plurality of piezoelectric unimorph oscillating bodies 210a to 210d each respectively include a plurality of parallel oscillating bodies 23a-1 to 23a-3, 23b-1 to 23b-3, 23c-1 to 23c-3, and 23d-1 to 23d-3, and a suite of parallel actuators 28a-1 to 28a-3, 28b-1 to 28b-3, 28c-1 to 28c-3, and 28d-1 to 28d-3. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供能够获得大的偏转角度和大幅度的操作的光学偏转器,并且还有助于小型化,减小的薄度,并且减小其质量和重量。 解决方案:光偏转器包括使反射板1以一对柔性支撑单元2a和2b为中心旋转摆动的多个压电单晶振荡体210a至210d。 光学偏转器通过将振动板23a至23d的两个端子的一组连接在一起,形成振荡板23a至23d,反射板1,柔性支撑单元2a和2b以及支撑体9的单一结构 压电单晶振荡体210a〜210d组合到柔性支撑单元2a和2b,并将另一组两端连接到支撑体9.此外,多个压电单晶振荡体210a至210d分别包括: 多个并联振荡体23a-1〜23a-3,23b-1〜23b-3,23c-1〜23c-3,23d-1〜23d-3,以及一组平行的致动器28a-1〜28a- 3,28b-1〜28b-3,28c-1〜28c-3,28d-1〜28d-3。 版权所有(C)2009,JPO&INPIT