1920s television transmitting apparatus

Bildnummer 11904545
1920s television transmitting apparatus
1920s television transmitting apparatus,artwork. Early transmitting systems included three large photo-electric cells which produce electric current in response to light reflected from the details of the scene. Light from the arc lamp (far right) passes through a lens to the scanning disc (black disc,middle),which sweeps the light beam across the scene. The light reflects off the woman and is picked up by the photo-electric cells (long tubes,centre) which convert it into an electric signal. The electric signal is then passed on to a television receiver (television set) and converted back into light to produce an image on its screen
Lizenzart: Lizenzpflichtig
Credit: Science Photo Library / Terry, Sheila
Bildgröße: 4385 px × 3127 px
Modell-Rechte: nicht erforderlich
Eigentums-Rechte: nicht erforderlich
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