Load-bearing rear-projection screen

作者: Dennis R. Anthony

DOI:

关键词:

摘要: The invention pertains in general to the art of motion-picture photography and particular rear-projection "process" photography, providing a rigid screen onto which heavy objects, such as props actors, may be placed while imagery is projected it from side opposite said objects. consists sheet on light-scattering surface has been established rests pseudotransparent supports, each an opaque structural member, block transparent material, three mirrors so arranged make light detour around member.

参考文章(5)
Gerald F Rackett, Motion picture contrast regulation ,(1939)
Peter L M Barker, Robert L Stevenson, Apparatus for producing optical effects ,(1955)
Paul L Fox, Optical-reimaging system ,(1968)