Eidophor
Type of television projector / From Wikipedia, the free encyclopedia
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"Theatre television" redirects here. For boxing theatre television, see Pay-per-view.
An Eidophor was a video projector used to create theater-sized images from an analog video signal. The name Eidophor is derived from the Greek word-roots eido and phor meaning 'image' and 'bearer' (carrier). Its basic technology was the use of electrostatic charges to deform an oil surface.