NIMO Patents

[Grahame]

Hi

Does anyone know any patent numbers for the IEE NIMO tubes please?

All I have found so far is Pat Pending.

Ta Grahame

[Dekatron42]

Here's one to start you off with: https://patents.google.com/patent/US3761169A/en?oq=3%2c761%2c169

There are a few other interesting patents in the reference section too!

/Martin

[Dekatron42]

I should have said that it is not the actual NIMO patent but from Industrial Electronic Engineers, lnc from which you can start your search, sorry for any confusion.

/Martin

[Dekatron42]

Here's the NIMO patent: https://patents.google.com/patent/US3793551A/en?assignee=ELECTRONIC+ENGINEERS+IND+Inc

/Martin

[gregebert]

I think that was a follow-on patent to make the single-character NIMO tube into a multi-character version. Some of the sales literature shows a 4-digit display. Neat idea, but by then 7-segment LEDs were getting a lot cheaper and led to the death of NIMO, Nixie, Numitron, and electroluminescent.

It's really amazing how many oddball (by today's standard) technologies were used for numerical displays.  Fifty years from now, I doubt people will drool over LCD and OLED displays the way we do with NIMO tubes....but you never know.

[Grahame]

Hi

That is so good and so interesting. The tube construction is quiet different to the NIMO tube that we see around that displays only single characters. So as Greg suggests it is a follow on patent ... you have given me new leads to follow.

Ta Grahame

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[Nicholas Stock]

https://patents.google.com/patent/US3432710A

?

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[Grahame]

https://patents.google.com/patent/US3740603A/en

Ho Ho Ho

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[Tidak Ada]

The only I know is that they won a sue against Telefunken who fringed some of their patents with the development of the XM2000. Telefunken had to destroy all the produced tubes, however some came at the black market. I own one.

eric

-----Oorspronkelijk bericht-----
Van: 'Grahame' via neonixie-l [mailto:neoni...@googlegroups.com]
Verzonden: dinsdag 25 april 2023 18:17
Aan: neonixie-l
Onderwerp: [neonixie-l] NIMO Patents

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[gregebert]

I watched an Ebay auction about 10 years ago for a lot of 4 XM1000 tubes; in the final seconds it went for over 1600 USD. I like their flat-screen. Too bad they are so rare.

Eric - What is the difference between XM1000 and XM2000 ?