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'Propeller clock patent'
1997\03\12@160450 by Mike

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>Hi Mike,
>
>I probably have a copy somewhere in a real safe place.  If you have
>any sort of search capability, the inventor is Edward Sokol.  The patent
>would have issued in the mid 80's, possibly as early as 1984.  I'll
>look to see if I can find the number.

Thanks, I can search for that - no need to take up your time getting more info.

>The invention, in this case, was a rotating drum with LEDs on the rim.
>It was intended as a point-of-purchase display.  I'm not too sure how
>broad the claims are and whether they would include Bob Blick's design.
>I am in occasional contact with Ed Sokol and if I remember I'll ask him
>the next time he calls. He sold the patent a couple of years ago.

mmmm - I would suppose that if Bob's design is 'sufficiently' different, then
there would not be an infringment but, I suppose thats why we have lawyers...
I would find it very difficult to appreciate that the idea itself would be
patentable, but then life is stranger than friction.

>I did the electronic package for the original prototype - 1980 or 1981.
>We did both single and multicolor versions.  Fun project.

Interesting, Was it via a processor - Z80 type design ?

Rgds

Mike

Some say there is no magic but, all things begin with thought then it becomes
academic, then some poor slob works out a practical way to implement all that
theory, this is called Engineering - for most people another form of magic.
                                                                      Massen

1997\03\12@170435 by Jeff King

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At 05:02 AM 3/13/97 +0800, Mike wrote:

>>The invention, in this case, was a rotating drum with LEDs on the rim.
>>It was intended as a point-of-purchase display.  I'm not too sure how
>>broad the claims are and whether they would include Bob Blick's design.
>>I am in occasional contact with Ed Sokol and if I remember I'll ask him
>>the next time he calls. He sold the patent a couple of years ago.
>

There is something else called prior art. I'm no attorney, but this
sounds alot like the old flying dot TV scanners (name?) of the 1930's.
Led's were replaced with neon bulbs, but the princple was certainly
the same. Getting a patent is one thing, enforcing it is another
matter all together. It does look good on your resume though.

Regards,

------------------------------------
| Jeff King      Aero Data Systems |
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------------------------------------

1997\03\13@232648 by Bob Fehrenbach

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Mike <.....erazmusKILLspamspam@spam@WANTREE.COM.AU> wrote:
>Interesting, Was it via a processor - Z80 type design ?

  RCA 1802.  I sketched out a redesign using one of
  the Zilog Z8 family parts but it never got built.

--
Bob Fehrenbach    Wauwatosa, WI     bfehrenbspamKILLspamexecpc.com

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