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1998.11.12 15:00 "Revison 7.0", by Dr. Klaus Bartz
1998.11.12 15:54 "Re: Revison 7.0", by Tom Lane
1998.11.13 15:50 "Re: Revison 7.0", by Dr. Klaus Bartz
1998.11.13 15:59 "Re: Revison 7.0", by Tom Lane
1998.11.12 22:38 "Re: Revison 7.0", by Mark Knibbs

1998.11.13 15:50 "Re: Revison 7.0", by Dr. Klaus Bartz

In general I am a little bit confused from patents.

Ok JBIG uses some patents. Up to know I have thought, that JPEG uses patents ( arithmetic coding? ) too. Never heard, that someone pay license fees for JPEG.

But on www.jpeg.org/public/jpegnew.htm there is a line which says that IBM will frees it QM patent. What should I think?

Some time I have read, that a license from one patent owner is enough to use JBIG.


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