Lifting device of projection system

A lifting device of projection system is prepared as setting said projection system on a plane by adjustable-lifting unit being able to lifting projection system up relatively to said plane, storing height data of projection system in storage unit, coupling control unit separately to storage unit an...

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Bibliographic Details
Main Author YIDING XU
Format Patent
LanguageEnglish
Published 18.07.2007
Subjects
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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Summary:A lifting device of projection system is prepared as setting said projection system on a plane by adjustable-lifting unit being able to lifting projection system up relatively to said plane, storing height data of projection system in storage unit, coupling control unit separately to storage unit and adjustable-lifting unit for controlling adjustable-lifting unit to lifting projection system up to certain height in relative to said plane.
Bibliography:Application Number: CN2006103651