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Re: [Discuss-gnuradio] Over the Air Signal Capture

From: Eric Blossom
Subject: Re: [Discuss-gnuradio] Over the Air Signal Capture
Date: Sun, 16 Jan 2005 11:39:02 -0800
User-agent: Mutt/1.5.6i

On Sat, Jan 15, 2005 at 07:39:58PM -0600, Rick Parrish wrote:
> address@hidden wrote:
> >What are the thoughts on an IMBE CODEC?  Isn't that covered by a patent?
> > 
> >
> It is patented by DVSI. It's available under "RAND" terms (Reasonable 
> And Non-Discriminatory). The patents have been out there for a while ... 
> there may not be much life left in them. If you search for patents 
> assigned to DVSI you'll find a few dated from 1989 to 1992 or so. Those 
> probably apply to IMBE. Patents filed after 1993 probably pertain to 
> AMBE, not IMBE.
> -rick


The other question is whether the patents are any good.
Just because the PTO issued the patent doesn't mean that it's
non-obvious to a practitioner skilled in the arts.


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