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| View Original: | Mechanical television receiver 1927 - Indiana State Museum.JPG (1326x1743) | |||
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| Keywords: Mechanical television receiver 1927 - Indiana State Museum.JPG mechanical television receiver built by Morris VanWay for RCA in 1927 The video signal from a receiver was applied to the neon bulb at top and it was viewed through holes in the spinning disk Nipkow disk at rear which created the scan lines resulting in a dim orange monocolor image about one inch square Before modern electronic scan television systems were developed around World War 2 the first television systems used this mechanical scan technology By 1930 many radio stations broadcast experimental television programs which could be viewed using televisors like this Mechanical scan television never achieved high enough picture quality to be popular with the public The resolution of this televisor was probably 32 lines at 15 or 20 frames/second <br/><br/> Alterations to original image cropped other items out of picture 2011-03-31 16 47 41 Derived from Radio equipment - Indiana State Museum - DSC00410 JPG Original image Daderot Derived image Chetvorno Original image donated to public domain by Daderot other versions Radio equipment - Indiana State Museum - DSC00410 JPG Uploaded with UploadWizard Mechanical-scan television systems History of television | ||||
