In a projector (20), a rear gap (i) is formed between a rear translucent plate (42), which serves as a rear polarizing plate, and an image generating unit (24), and a front gap (ii) is formed between a front translucent plate (45), which serves as a front polarizing plate and a cold filter, and the image generating unit (24). A part of wind generated by the first blowing system (51) is blown to the rear gap (i) to be formed into a rear airflow (E1). The rear airflow (E1) passes through an air vent (32), which runs through a heat-radiating metal member (31), and is exhausted to the exterior space. A part of wind generated by the first blowing system (51) and wind generated by a second blowing system (55) are mixed in the front gap (ii), and formed into a front airflow (E2) and exhausted from a front exhaust port (47) to the exterior space.


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    Title :

    PROJECTOR AND HEAD-UP DISPLAY DEVICE INCLUDING PROJECTOR


    Additional title:

    PROJEKTOR UND HEAD-UP DISPLAY VORRICHTUNG MIT PROJEKTOR
    PROJECTEUR ET DISPOSITIF D'AFFICHAGE TÊTE HAUTE COMPORTANT UN PROJECTEUR


    Contributors:

    Publication date :

    2020-11-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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 / G02B Optische Elemente, Systeme oder Geräte , OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS



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