Cinema Technology May. 27, 2024
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Baird's Honeycomb Display (UK)
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Photo courtesy of: Not Available
In July of 1930, Barid held is first of many demonstrations in a cinema using a display crafted of 2,100 tiny filament lamps mounted behind ground glass and held in place with large honeycomb housing. The lamps were sequentially switched on and off by a large communtator rotating at 750 rpm and synchronized with the source. The filament lamps provide some persistence of the image.
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