发明名称 PROJECTION APPARATUS PROVIDED WITH AN ADJUSTABLE FILTRATION SYSTEM AND METHOD THEREOF FOR ADJUSTING THE COLOUR COMPONENTS OF A LIGHT BEAM
摘要 A projection apparatus is described, which is provided with a lamp generating a light beam with a plurality of spectral elements. The projection apparatus comprises at least one band-cut filter and moving means which change the position of said band-cut filter dynamically relative to the optical path of the light beam within the projection apparatus. The invention also relates to a method for adjusting the colour components of a light beam.
申请公布号 US2009268102(A1) 申请公布日期 2009.10.29
申请号 US20070297134 申请日期 2007.04.06
申请人 SIM2 MULTIMEDIA S.P.A. 发明人 BARAZZA GIORGIO
分类号 H04N9/31;G03B21/14 主分类号 H04N9/31
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