Logitech acquired SightSpeed - possible GPL violation ?

[cuseeme]

dear eperts,

regarding to an article that i read in the news yesterday
<http://www.washingtonpost.com/wp-dyn/content/article/2008/10/29/AR2008102900907.html 
 >

I would like to know,  if an former GNU project is done with  
significant use of opensource resources

 >  CU30-L couldn't have been written without the work done by the GNU  
Project.
 >  While CU30-L used lots  of tools developed by GNU, it relies  
heavily on the
 >  Linux kernel for several of  its interfaces.

--
how much new code must have been wrapped around the "original " code  
to avoid a GPL violation  ?
Someone told me about 20 % ?

---

 >  Update! - In 2002, the members of the CU30 project formed a  
company called SightSpeed for
 >  commercialization of the technology.

----
 >  Remember to keep in mind that this method is patented. The two US  
patents that cover this are
 >  5,973,626 and 5,740,278.
----

if a project insist  on such a lot of GNU code , how can it be violate  
any <http://en.wikipedia.org/wiki/Software_patent>  ?

http://www.cs.cornell.edu/boom/2001sp/rosenberg/


thanks for any enlightening


--  
"Imagination  is more important than  Knowledge".

Les enfants teribbles - research and deployment
blog : http://www.let.de
http://twitter.com/macbroadcast

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