[vorbis] lawyers and patents

[Wilson]

IANAL, but what about this one?
http://164.195.100.11/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&u=/netahtml
/search-adv.htm&r=2&f=G&l=50&d=FT00&p=1&S1=((wavelet.TTL.+AND+video)+AND+3d)
&OS=ttl/wavelet+and+video+and+3d&RS=((TTL/wavelet+AND+video)+AND+3d)

Seems pretty darn general to me..

----- Original Message -----
From: "Jack Moffitt" <jack at xiph.org>
To: "Freya" <freya128 at yahoo.com>
Cc: <vorbis at xiph.org>
Sent: Monday, July 02, 2001 2:28 PM
Subject: Re: [vorbis] lawyers and patents

> > Does Xiph have access to a lawyer at all?
>
> Yes.
>
> > I ask because it seems like the tarkin list is a bit
> > lost with regards to what is patented or not.
>
> We have reason to believe that general 3d wavelets are not
> patented/able.  Many people on the list seem to want to explore various
> forms of motion detection, which is heavily patented.  We set the
> initial direction.  Unfortunately no one has really stepped up and gone
> patent hunting.  Feel free to volunteer.
>
> > What compression algorithms do we know are definitely
> > not covered by patents? All the stuff used in PNG, and
> > MNG of course (whatever those are? lz77??)
>
> This is probably a better conversation for the tarkin-dev list.
>
> jack.
>
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