At 12:59 AM 7/2/01 -0600, you wrote: >Unfortunately Texas Instruments has a patent on drawing 3-D images >on a spinning helix. I was royally pissed to discover this in the >late eighties... Can't be more than a few years left on the patent, then. I recently saw a picture of a demo of a 3-d display in one of the trade rags, but can't recall the mfr. It was "something" encased in a clear box, and the part inside was spinning. Best regards, =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= Spehro Pefhany --"it's the network..." "The Journey is the reward" speff@interlog.com Info for manufacturers: http://www.trexon.com Embedded software/hardware/analog Info for designers: http://www.speff.com Contributions invited->The AVR-gcc FAQ is at: http://www.bluecollarlinux.com =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics