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Re: RAR under linux: any alternative?



On Thursday 15 December 2005 20:40, Gabriel wrote:
>Gene Heskett wrote:
>>On Thursday 15 December 2005 19:29, Gabriel wrote:
>>>Carl Fink wrote:
>>>>On Wed, Dec 14, 2005 at 02:34:31PM -0800, Steve Lamb wrote:
>>>>>   IIRC one of the algorithms that can be used in zip is lzw
>>>>> which is (or was) patented.
>>>>
>>>>The patent expired in 2003.
>>>>
>>>>http://www.sslug.dk/patent/lzwunisys.html
>>>
>>>The license was owned by Unisys and IBM. The one expired in 2003
>>> was the Unisys license. The IBM license expires on 08/11/2006 (in
>>> the USA). It's the same algorithm used on GIF.
>>
>>'scuse me?  If the unisys patent expired in 2003, then either the
>> USTPO screwed up again (what else is new?) in issueing the same
>> patent to IBM, or their 'license' is not in fact anything to do
>> with a patent, and should be absolutely moot now that the Unisys
>> patent has expired, all over the planet I believe.  Any legal
>> manuevering(sp) should be entirely between IBM & Unisys.  And
>> likely a waste of time & shyster fees.
>>
>>If not, and IBM does have a legal claim on the lzw algorythm, please
>>cite some links so that we can become better educated.
>
>OK, I said that 'cause I remind something I red about a year ago. It
> was in the GNU Project Page, where they explain why there's no GIFs
> on their pages. I just checked and it was last updated on 2005/10/31
> 17:33:26. Check it out:
>http://www.gnu.org/philosophy/gif.html

I see, and many thanks for the link.  The one thing it doesn't explain 
however, is why the USTPO allowed 2 different entities to patent the 
lzw algorythm.  That is still a puzzlement to me, but what do I know.

-- 
Cheers, Gene
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Copyright 2005 by Maurice Eugene Heskett, all rights reserved.



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