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Thread: GIF, LZW Patent Issues
www.piclist.com/techref/index.htm?key=gif+lzw+patent+issues
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face BY : Mike Hardwick email (remove spam text)



I took the liberty of renaming this thread...

Okay, so what the heck *are* people using in commercial embbedded systems
instead of GIF, when they need transparency control and the code
distributions for PNG and MIFF are too unwieldy?

Mike Hardwick
Decade Engineering

>Unisys owns the patent on LZW and specifically permits the use of the LZW
>in the GIF compressors and decompressors for non-commercial use only.
>Commercial use requires a license. This causes many Open Source fans to
>avoid GIF at any cost and many other people to avoid it too. It is not
>clear whether a schematic published in a public forum in GIF format can be
>'commercial use', even if it is posted by a registered firm.

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Subject (change) GIF, LZW Patent Issues

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