Camera light control arrangement
作者： Erwin Von Wasielewski , Hans Thieme
DOI:
关键词:
摘要:
lens.org 参考文章(6)
John P Bagby, Automatic exposure mechanism with magnetic control of iris blades ,(1958)
Philip J Rice, Hugh F Frohbach, Reflective electrical oscillating display device ,(1965)
Allen G Stimson, Electromagnetic relay exposure controls ,(1964)
Marlin Elpern, Light valve system ,(1966)
Nerwin Hubert, Photographic aperture regulating device ,(1964)
Pennington William, Yu Ying-Nien, Indicia projection assembly ,(1965)