aller en fin du document suivant
document suivant
Xref: cantaloupe.srv.cs.cmu.edu comp.sys.mac.misc:42483 comp.sys.mac.hardware:50418 comp.sys.mac.system:29731
Path: cantaloupe.srv.cs.cmu.edu!das-news.harvard.edu!ogicse!uwm.edu!rpi!clotho.acm.rpi.edu!xor
From: xor@clotho.acm.rpi.edu (Joe Schwartz)
Newsgroups: comp.sys.mac.misc,comp.sys.mac.hardware,comp.sys.mac.system
Subject: Re: NUTEK FACES APPLE'S WRATH (article!!!!!!) READ
Message-ID:
Date: 5 Apr 93 22:34:46 GMT
Article-I.D.: rpi.j3g5bwq
References: <1pao0mINN81d@geraldo.cc.utexas.edu> <930401.124508.8W7.rusnews.w165w@mantis.co.uk>
Organization: MapInfo Corporation, Troy, NY
Nntp-Posting-Host: acm.rpi.edu
In article davea@xetron.com (David P. Alverson) writes:
>I believe Apple has a patent on the region features of QuickDraw. A mac
>clone would have to implement regions. This is why Apple's comment was
>that
>they believe it is not possible to make a Mac clone without infringing
>on their patents. They may have other patents like this.
Apple has patented their implementation of regions, which presumably
includes the internal data structure (which has never been officially
documented by Apple). Apple cannot patent the concept of a region.
I'm guessing that either NuTek reverse-engineered Apple's internal data
structure for regions (I dunno if this would hold up in court), or they
came up with their own data structure. If it's the latter, then they
won't be able to draw PICT files containing regions. Besides PICT files,
there aren't many places where regions are stored on disk. (QuickTime
movies, perhaps?) As long as the region isn't being stored on disk and
transferred from a Mac to a NuTek clone (or vice versa), it doesn't
matter if NuTek uses a completely different internal data structure.
I remember reading that Apple also has a patent on their ADB hardware,
and that the NuTek clones would therefore be lacking an ADB port. What
other patents does Apple have on the Mac?
--
Joe Schwartz E-mail: xor@acm.rpi.edu or xor@clotho.acm.rpi.edu
MapInfo Corp.
200 Broadway These are my own opinions. Any similarity to the
Troy, NY 12180 opinions of MapInfo Corporation is purely coincidental.
dift1010@iro.umontreal.ca