These things are similar tech but for pixels rather than 7-segment : https://www.youtube.com/watch?v=AclwH64eAkU
On Thu, Feb 9, 2023 at 12:06 AM gregebert <gregeb...@hotmail.com> wrote: > I'm guessing that CRT-style manufacturing, where phosphor is deposited on > the tube-face, was well-established technology in the 1960's due to massive > production of TV's. On the other hand, VFDs were emerging technology > because the much smaller size required tighter manufacturing tolerances, > and depositing phosphor onto a conducting anode was still being perfected. > Yes, this was done for magic-eye tubes, but they had a very short lifespan, > maybe a few hundred hours. I'm sure the chemical composition of VFD > phosphors was also under development; they are much brighter than magic > eyes and operate at a lower voltage. > > On Wednesday, February 8, 2023 at 3:22:24 PM UTC-8 marcin wrote: > >> Technically this device could be quite trivial. Simpler, and less >> demanding tolerance than Nimo. Just one flood gun with grids controlling >> the segments (as reported by riffuchs from >> https://riffuchs.livejournal.com/153725.html), plus some internal >> stencil-style screening between the 'segments'. Still VFD does the same >> only so much easier. So, why? Longer lifespan? Brighter? Fulfilling >> insane-price requirement for a military order? >> >> Pity the price, I love absurd technology. Anyway, seems that such device >> was sold on ebay de in 2014 for 'pennies' (radiokot.ru >> <https://m-radiokot-ru.translate.goog/forum/viewtopic.php?f=3&t=27324&start=4660&_x_tr_sl=pl&_x_tr_tl=en&_x_tr_hl=en&_x_tr_pto=wapp>), >> but I can barely understand what they were actually talking about there, >> even with google translate. I wonder if it was the tube(s) from riffuchs >> - riffuchs seems to be from Germany. >> >> Marcin >> >> >> On 8/02/2023 02:27, Olivier wrote: >> >> I found this old page <https://riffuchs.livejournal.com/153725.html> >> It shows the same pictures as the ad! Strange. >> >> Olivier >> >> On Tuesday, 7 February 2023 at 6:36:26 pm UTC+8 marcin wrote: >> >>> Hi Guys, >>> >>> have you seen this EEV E727G contraption on ebay >>> https://www.ebay.com/itm/115697380857 ? >>> I have never even heard about it, nor can find any info about it. >>> >>> Marcin >>> >> -- >> >> You received this message because you are subscribed to the Google Groups >> "neonixie-l" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to neonixie-l+...@googlegroups.com. >> >> To view this discussion on the web, visit >> https://groups.google.com/d/msgid/neonixie-l/190723b9-a698-46a9-a6e9-feaf8e68f6e6n%40googlegroups.com >> <https://groups.google.com/d/msgid/neonixie-l/190723b9-a698-46a9-a6e9-feaf8e68f6e6n%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> >> >> -- > You received this message because you are subscribed to the Google Groups > "neonixie-l" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to neonixie-l+unsubscr...@googlegroups.com. > To view this discussion on the web, visit > https://groups.google.com/d/msgid/neonixie-l/45434b96-7e8c-494e-8dca-4d2be213e423n%40googlegroups.com > <https://groups.google.com/d/msgid/neonixie-l/45434b96-7e8c-494e-8dca-4d2be213e423n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to neonixie-l+unsubscr...@googlegroups.com. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/CALiMYrsFX0oeP8np6NzLG-XKbSifUwk6P8C3gv_ZPyUyPVB1Bw%40mail.gmail.com.
