Ive been wondering what was the first side view tube? On Tuesday, 11 September 2012 21:02:16 UTC+1, Jens Boos wrote: > > Hi folks, > > as some of you may know, besides Nixie tube collecting I am also > interested in the history. I am writing an article, and every now and > then I stumble upon something that makes me believe that I will most > likely never finish it ;-) > > Here is the confirmed US Nixie tube history: National Union was the > first to sell a readout tube product line (1954), although Northrop > aircraft filed promising patents as early as Nov 1950; however, these > tubes were never manufactured by Northrop (not a single one of these > tubes has been found as of today). National Union was closely followed > by Burroughs in 1955 who then offered their "Nixie" tube. But National > Union beat Burroughs by the nose. > > Anyway, I was doing some casual research for patents filed by Ericsson, > and found patent "GB739041", file is attached. The funny thing is, this > baby was filed May 9, 1950, predating the first Northrop patent > (US2618697) by more than half a year. The word "improvements" in the > patent title suggests that this patent bases on other concepts already > around at the time, but I cannot find out which patents it refers to. > Any ideas? > > The most interesting thing is that Ericsson was probably the first > company that commercialised the idea of a Nixie tube (and thus thought > it worth to be patent-protected, that is the logic here). > > I feel that the European history of the Nixie tube needs further > research. Has anyone been able to piece together the European side of > the story? > > To be honest, I don't know if this patent is an entirely new discovery, > but I could not find it on Randall's page: > http://www.scientificsolutions.ca/patents.htm > > Jens >
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