[X3D-Public] US Patent 6,754,400

[John Carlson]

You can find some information here, but I think it was to use a cube as background not a sphere.  I'm not really sure what the difference is.

http://ict.debevec.org/~debevec/Probes/

On Apr 30, 2011, at 1:55 AM, Tom Sparks wrote:

> I have found a Patent witch may affect X3D and VRML97 background node ,
> You can read about the patent here (http://www.google.com/patents/about?id=KjQSAAAAEBAJ&dq=6,754,400)
> 
> the IVRPA is fund a case to invalided this patent ( http://ivrpa.org/patent )
>  the IVRPA is asking for information to invalided this claim the lawyers want pre February 2001
> 
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> tom_a_sparks "It's a nerdy thing I like to do"
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