Plane of core memory

Jon Elson elson at
Thu Apr 18 21:08:02 CDT 2019

On 04/18/2019 03:15 PM, Noel Chiappa via cctalk wrote:
>      > From: Jon Elson
>      > As soon as somebody figured out that you could combine the sense and
>      > inhibit wires, everybody immediately went to 3-wire planes.
> I"m suprised the idea wasn't patented. Or maybe it was, and they made the
> license widely available at modest terms?
I was thinking the same thing, but can't find any references 
to who invented it.  it certainly sounds like the sort of 
thing to get a patent on.

Point of interest, my freshman advisor was Bill Papian, who 
was Jay W. Forrester's grad student when he invented 
coincident-current core memory.


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