PROBLEM TO BE SOLVED: To appropriately adjust the appearance of a virtual image with a simple configuration.SOLUTION: A virtual image display device 10 comprises: a projection part 20 that generates display light and projects the display light to a virtual image presentation surface; an ultrasonic wave measuring part 30 that is provided above a user 70 who visually recognizes a virtual image based on the display light and measures a height position of the top of the head 74 of the user 70 by using an ultrasonic wave; and a control part 40 that controls the direction of the display light directed toward the user 70 from the virtual image presentation surface according to the measured height position of the top of the head 74 of the user 70.SELECTED DRAWING: Figure 1

    【課題】簡易な構成で虚像の見え方を適切に調整する。【解決手段】虚像表示装置10は、表示光を生成し、表示光を虚像提示面に投射する投射部20と、表示光に基づく虚像を視認するユーザ70の上方に設けられ、超音波を用いてユーザ70の頭頂部74の高さ位置を計測する超音波計測部30と、計測されたユーザ70の頭頂部74の高さ位置に応じて、虚像提示面からユーザ70に向かう表示光の方向を制御する制御部40と、を備える。【選択図】図1


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    Title :

    VIRTUAL IMAGE DISPLAY DEVICE AND VIRTUAL IMAGE DISPLAY METHOD


    Additional title:

    虚像表示装置および虚像表示方法


    Contributors:

    Publication date :

    2018-04-26


    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 / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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