It was easy, but became slightly more complicated when the 'video' from
the P.E. cell was transmitted via 'radio' to a receiver at a remote
point. At that time the two rotating discs were no longer on the 'same
mechanical rotating shaft' but still had be held in sync with each
other, therefore requiring an electronic syncronizing system. P.E. cells
(some of the actual ones used I have here in my tube collection) were
used at the the transmitting end to form the video, and 'neon" lamps
(some of which I also have here) were as far as I know always used at
the receiving end to recreate the video. For those of you who may have
even a mild interest in early television, including the Nipkow Disc
system please avail yourself of the following site
http://www.earlytelevision.org/ When you get there, click on the
search button at the top of the page and type in either 'Nipkow' or
'disc'. You can spend literally hours and hours here. Over the years
yours truly has collected around 150 vintage televisions, studio cameras
and equipment, and more. Now that I'm retired I am actively restoring
some of the more historic televisions that I have to operational
condition. Hope that everyone enjoys the Early Television site. By the
way the first picture ever transmitted via the Nipkow scanning disc
system was of Felix The Cat. If anyone has any questions about the
Nipkow Scanning Disc system you can ask me, perhaps off of the forum
here, and I'll try to answer them as I have a basic knowledge of how it
worked, although the Early Television site should answer most questions.
The Early Television Site has a 'LOT' of other info and restored
televisions to look at. They also are setting a shop to rebuild
television picture tubes (C.R.T.'s), which if successful would be the
ONLY place on the planet doing so. Ira
On 3/8/2015 5:17 AM, Quixotic Nixotic wrote:
Looks so easy,
John S
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