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Our 2024 meeting was held Saturday 27th April 2024 at Trinity Methodist Church, King St, Duffield DE56 4EU.
It was well attended and everybody had a most enjoyable day.



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Dave Gentle's colour camera and viewer
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The club shop provided dedicated printed circuit boards and specialisd components


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Byron Ake a USA member submitted a recent video shown at the convention outlining
progress  on his mechanical NBTV test card.
 (Click on image to view video).


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Chris Lewis's Laser-cut televisor along with Karen Orton's NBTV to 625 line
 converter displayed on VGA monitor via standards conversion adapter.

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Inside James Sheehan's drum monitor using clubs strip and laser-cut mask to improve
 synch detection  although  later development  uses synch holes on drum.

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Finished unit

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Karen Orton's 625  line to 32 line  converter driving a Bluetooth  module allowing
 cable  free connection link up to 10 metres between camera and televisor
Built by James Sheehan


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James demonstrating live video link between Karens 'boxed'  32 line to 625 line
converter and NBTV camera via bluetooth.

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Graham Hunt demonstrating  both two and three colour televisors.

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   Jeremy Jago's Laser  transmission link

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Uncased view of camera using the clubs Manila disc. A photomultiplier light pick up enables use without
 intense illumination.


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Kevin Hadfield's  four quadrent colour  'carousel' televisor

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Colin Sanderson and John Leake's televisors

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With the advent of high precision laser cutters James Sheehan has been experimenting
 with  disk hole size and shape to optimise the display on the televisor.
 Most of the discs are  made from  readily  availible
picture framing material although these can be made from acrylic. Slotted synch holes
 and blank missing pulse slot makes setting up easy.You will also see in the picture above a
 bead disc.

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Also on display at the convention was a test jig  for testing  a wide range of  discs with  slots
 to adjust position of display, lens and opto sensor.

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The test jig also comes with control electronics in a remote  unit
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