To increase the amplitude angle of a mirror part per unit voltage in an optical deflector.SOLUTION: The present optical deflector has a stationary part, a movable part that has a reflection surface, a connection part that connects the movable part with the stationary part, and a driving part that deforms the connection part to oscillate the movable part. The connection part has the driving part on a first surface. The connection part has ribs on a second surface that is the opposite surface to the first surface. The ribs each include a portion having a direction orthogonal to a bending direction of the connection part as a longitudinal direction.SELECTED DRAWING: Figure 12
【課題】光偏向器において、単位電圧当たりのミラー部の振幅角を拡大する。【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、前記可動部と固定部とを接続する接続部と、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、第1面に前記駆動部を有し、前記接続部は、前記第1面の反対面である第2面にリブを有し、前記リブは、前記接続部の曲げ方向と直交する方向を長手方向とする部分を含む。【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
2021-02-22
Patent
Elektronische Ressource
Japanisch
IPC: | G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B81B Mikrostrukturbauelemente oder -systeme, z.B. mikromechanische Bauelemente , MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES / G01S RADIO DIRECTION-FINDING , Funkpeilung |
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