I'm trying to remember exactly, but I semi-recall a ChipCom concentrator
I installed back in 95' that had tri state LEDs in them for displaying
active/disable/partition status, I installed one at Lighthouse for the
Blind in Manhattan and we had multiple networking running through it and
partitioning of networks on the cards for the IPX/SPX trafffic and the
LAT Terminal servers traffic, you may want to check.
Curt
Sellam Ismail wrote:
  On Wed, 8 Feb 2006, Doug Salot wrote:
  A lawyer asked me if I had any devices made
before 1997 that used RGB
 LEDs.   I know that RGB LEDs have been around since at least 1991, but I
 don't have anything to offer them.   If you have a device that uses a mux
 and PWM with the LEDs, that would apparently please them very much.
 I'm sure there will be a bounty involved, but I haven't been given
 specifics.
      
 Hey Doug!
 I would imagine one of those scrolling LED displays you see at the bank or
 the DMV might be useful.  I can't think of anything in my collection that
 would fit the bill.
 Sounds like someone is trying to invalidate a patent on color flat panel
 displays.
    
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