To provide an optical deflector that has a small size and a large amplitude.SOLUTION: The present optical deflector has a movable part that has a stationary part and a reflection surface, a pair of elastic support parts that support the movable part, a pair of connection parts that connect the elastic support part and the stationary part, and driving part that deforms the connection parts to oscillate the movable part. The connection parts are cantilevered with respect to the stationary part, and the connection parts have a folded structure.SELECTED DRAWING: Figure 12
【課題】小型で大振幅の光偏向器を提供する。【解決手段】本光偏向器は、固定部と反射面を有する可動部と、前記可動部を支持する一対の弾性支持部と、前記弾性支持部と前記固定部とを接続する一対の接続部と、前記接続部を変形させることにより前記可動部を揺動させる駆動部と、を有し、前記接続部は前記固定部に対して片持ち支持され、前記接続部は折り返し構造である。【選択図】図12
OPTICAL DEFLECTOR, OPTICAL SCANNING SYSTEM, IMAGE PROJECTION DEVICE, IMAGE FORMING APPARATUS, AND LASER RADAR
光偏向器、光走査システム、画像投影装置、画像形成装置、レーザレーダ
2021-03-04
Patent
Electronic Resource
Japanese
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B41J TYPEWRITERS , Schreibmaschinen / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / G01S RADIO DIRECTION-FINDING , Funkpeilung |
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