Word: orthicon
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...most of the experiment carried out by other universities. These have mostly involved the transmission of a lecture delivered in one room to viewers seated in one or more other rooms. Technically, this transmission has proved entirely feasible. Through the use of vidicon television equipment rather than the familiar orthicon, the experimenters have managed to reduce costs considerably. Vidicon has a lower initial cost, a lower maintenance cost, and can be operated by less highly skilled personnel (i.e. students and others available on a university campus) than orthicon...
...promising new method uses an "electronic screen intensifier" developed at Johns Hopkins by Dr. Russell H. Morgan and Ralph Sturm. Primarily intended for brightening the faint images on X-ray fluoroscope screens, it is based on the image-orthicon tube used in television cameras. The tube scans (in 1,029 "lines" instead of the standard 525) the image and turns it into fluctuations of an electric signal...
Scoops & Baffles. Liebman's actors, now TVeterans, have survived the harsh lights of early TV and, thanks to the new orthicon camera tube, which makes a clearer picture possible with less light, use little make-up and fewer aspirins...
...Radio Engineers, Radio Corporation of America showed a tiny, bright-eyed tube, the Vidicon, which would just suit Big Brother's purposes. It is hardly larger than a hot dog (1 in. by 6 in.) but it already sees as well as the clumsy, expensive ($1,000) image orthicon...
Compared with the image orthicon, which is packed with intricate entrails, the Vidicon is a dream-tube of electronic simplicity. It already sees well in ordinary indoor light, and RCA thinks that it can be made ten times as sensitive as the image orthicon. If so, the Vidicon should be able to see in near-darkness...