PROBLEM TO BE SOLVED: To provide a scanning type projector screen that suppresses ununiformity of beam diameters.SOLUTION: A scanning type projector screen 200 has a screen surface whose at least one direction is curved. Such scanning type projector screen is arranged so that both ends of a curved surface approaches to a rotation axis 130b of a movable mirror 130a included in a scanning type projector 10 for outputting convergent light, and accordingly, a distance between each point on the screen surface and the rotation shaft is uniformized to be able to suppress ununiformity of beam diameters.SELECTED DRAWING: Figure 1

    【課題】ビーム径の不均一を抑制する走査式プロジェクタ用スクリーンを提供する。【解決手段】走査式プロジェクタ用スクリーン200であって、スクリーン面の少なくとも1方向が湾曲している。このような走査式プロジェクタ用スクリーンを、収束光を出力する走査式プロジェクタ10が備える可動式ミラー130aの回転軸130bに湾曲面の両端部が回転軸に近づくように配置することで、スクリーン面上の各点と、回転軸との距離が均一化され、ビーム径の不均一を抑制することができる。【選択図】図1


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    Title :

    SCANNING TYPE PROJECTOR SCREEN AND SCANNING TYPE PROJECTOR SYSTEM


    Additional title:

    走査式プロジェクタ用スクリーン、走査式プロジェクタシステム


    Contributors:

    Publication date :

    2017-03-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    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 / G03B APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM , Geräte oder Anordnungen zum Aufnehmen, Projizieren oder Betrachten von Fotografien / H04N PICTORIAL COMMUNICATION, e.g. TELEVISION , Bildübertragung, z.B. Fernsehen



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