IMAGE PROJECTION APPARATUS

An image projection apparatus that generates an image based on image data and projects the image, comprises: an image generation element (31) that uses light emitted from a light source to generate an image; a holding unit (61) that rotatably holds the image generation element (31); and an illuminat...

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Bibliographische Detailangaben
Hauptverfasser:	KANAI, Hideo, MIKUTSU, Yasunari, MASHIMO, Jun, MIKAWA, Akihisa, FUJIOKA, Tetsuya, TSUCHIYA, Satoshi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ACCESSORIES THEREFOR APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USINGWAVES OTHER THAN OPTICAL WAVES APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FORPROJECTING OR VIEWING THEM CINEMATOGRAPHY ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY ELECTROGRAPHY HOLOGRAPHY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHOTOGRAPHY PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	An image projection apparatus that generates an image based on image data and projects the image, comprises: an image generation element (31) that uses light emitted from a light source to generate an image; a holding unit (61) that rotatably holds the image generation element (31); and an illumination optical unit (20) that includes one or more optical systems (23, 24, 25) and a light tunnel (22) that is a tubular member surrounding part of a light path from the light source to the image generation element (31) and reflects the light by an inner surface thereof, and that projects the light passing through the light tunnel (22) toward an entire area of a rotatable range of the image generation element (31).