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RE: [ITPOLITIK] PNG, Apple patent 5379129



Hmm... Måden de beskriver det på lyder som noget jeg kender fra
video-verdenen (mask) - Apple lave jo i sin tid Avid-redigeringen, jeg synes
det lugter som noget fra den tid... aner ikke om det har betydning... Avid
er et selvstændigt selskab idag.

/Erik

> -----Original Message-----
> From: Hans Schou [mailto:sslug@sslug
> Sent: Saturday, November 17, 2001 1:29 AM
> To: sslug@sslug
> Subject: [ITPOLITIK] PNG, Apple patent 5379129
>
>
>
> via LinuxToday.com:
> http://www.theregister.co.uk/content/39/22898.html
>
> "Apple patents perturb PNG programmers"
>
> "At issue is patent number 5379129, filed by Apple in May 1992 and granted
> to the company in January 1995. The patent describes a "method for
> compositing a source and destination image using a mask image".
> Essentially, it covers how computer software may blend two images using a
> third, the mask, to determine how the two are melded together."
>
> Nydeligt. Som jeg husker det er PNG fra 1993 el. 1995 og falder altså
> (måske) ind under dette patent.
>
> Hvad nu? LZW(GIF) udløber i 2003 - skal vi så have en "burn all PNG-day"?
> (Eric Raymonds ordvalg var vist lidt kontroversielt.) Udløbet af LZW vil
> iøvrigt betyde at SSLUG kan distriburer "Friheden til at vælge" i
> komprimeret PDF-filer, hvilket vi ikke gør nu. (I har båndbredde nok ik'?)
>
> Eller vi kan få patentet underkendt.
>
> Apple har ikke håndhævet patentet i de 6 år de har haft det, kan det
> bruges?
>
> Eller skal vi blot gå over XMB, PPM eller andre gamle ukomprimerede
> standarder?
>
> mvh/hans
> --
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> Schou Industries ApS      http://schou.dk/    CVR: 26 13 44 39
> --------------------------------------------------------------
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>   -- Kristian Jensen (V)
>



 
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