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Mechanical SSTV
Hi i just invented a mechanical Glow drum SSTV 40 years to late but it replaces the P7 CRT so if your into classic SSTV this might be for you ...build is on the nbtv forum
http://www.taswegian.com/NBTV/forum/...pic.php?t=1318 and you tube site is https://www.youtube.com/user/039dale...7?feature=mhee some picutres here also http://www.vintage-radio.net/forum/a...hp?albumid=443 Last edited by harry dalek; 04-10-2013 at 08:11 PM. |
#2
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That looks like fun. I remember reading about the SSTV receivers with P7-phosphor CRTs in the mid-1970s.
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Chris Quote from another forum: "(Antique TV collecting) always seemed to me to be a fringe hobby that only weirdos did." |
#3
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Very interesting - thanks for showing this.
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Quote:
The Tubes are pretty pricey these days so i came up with this idea after a few designs to see if i could make a mechanical one that acts like the P7 CRT . |
#5
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No worries i am casing it at the moment for safe keeping ..
I am perhaps 40 years to late for this system to be of any interest to the computer set in SSTV but as far as i know its the only Glow screen type mimicking the P7 CRT....i know of 2 other Paper print out SSTVs from the 70s i am pretty sure there is no fax or SSTV using glow paint . So in a way its a new type of monitor ,i have also tried it in NBTV and it works as well at higher speeds on a non moving screen, i suppose the time of the after glow can be controlled by the laser intensity as it still works . |
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