Projection device

The utility model discloses a projection device, comprising a fixing seat comprising a support bench, a mounting groove arranged around the support bench and a fixing structure arranged towards the mounting groove; the light source assembly is fixed on the supporting table; the gear ring piece is mo...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HUANG XUANZI, XU LONGCAI, FANG WENZHOU
Format:	Patent
Sprache:	chi ; eng
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 ELECTROGRAPHY HOLOGRAPHY PHOTOGRAPHY PHYSICS
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Beschreibung
Zusammenfassung:	The utility model discloses a projection device, comprising a fixing seat comprising a support bench, a mounting groove arranged around the support bench and a fixing structure arranged towards the mounting groove; the light source assembly is fixed on the supporting table; the gear ring piece is mounted in the mounting groove, the fixing structure limits the gear ring piece to move upwards, and the gear ring piece comprises a through light hole; the interference light-transmitting part is fixed to the gear ring part and arranged around the light-transmitting hole, the interference light-transmitting part comprises a first light-transmitting part and a second light-transmitting part connected with the first light-transmitting part, the first light-transmitting part and the second light-transmitting part are located on different planes, and the light source assembly is arranged towards the interference light-transmitting part; the driving assembly is matched with the gear ring piece, the product height is redu