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Pye Photicon

Click to see large picture Pye Photicon
Period:   from the end of 1940's to the end of 1950's
Type:   Imaging Tubes
Quantity:   4 specimens available

Image Iconoscope class of imaging tube. This type was made by Cathodeon (a Pye company). Similar types were made by Marconi-EMI, Philips, RCA etc. pre-war. The idea is to separate the imaging function from that of the storage function. The image section is where the light from the scene is converted into an electron image. This is then transferred to the storage target for reading by the electron gun. Later versions used a number of small lamps around the periphery to help control the 'tilt and bend' problems associated with iconoscope cameras.

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Last updated: 23 May 2020