Filtering device

The invention is a filter unit, used in a projector, comprising a first rotating shaft, a second rotating shaft, a filter net able to roll with the rotation of the two rotating shafts, a brush shaft having many pieces of brush hair, a driving device connecting and rotating the brush shaft with the s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZIHUAN XU, HONGREN WEI, SHENGZHANG LU
Format:	Patent
Sprache:	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 invention is a filter unit, used in a projector, comprising a first rotating shaft, a second rotating shaft, a filter net able to roll with the rotation of the two rotating shafts, a brush shaft having many pieces of brush hair, a driving device connecting and rotating the brush shaft with the second rotating shaft and a motor connected to the second rotating shaft to rotate it.