Article View: gnu.misc.discuss
Article #792Re: Time to boycott Photo CD
From: Jim Thompson
Date: Mon, 31 Aug 1992 16:25
Date: Mon, 31 Aug 1992 16:25
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In article <17pj4fINNm8i@early-bird.think.com> barmar@think.com (Barry Margolin) writes: > In article <FRIEDMAN.92Aug29214928@nutrimat.gnu.ai.mit.edu> friedman@gnu.ai.mit.edu (Noah Friedman) writes: > > Axman's message suggests that the data format or the conversion > >algorithm may be patented as well as (in its details) trade secret. This > >means that even if we figure out how to do the job (which may not be > >impossible), we'd be sued for implementing it. > > How can something be "patented as well as trade secret", when the two are > mutually exclusive? A patent by definition makes the details public, while > a trade secret requires that you guard the details (anyone you disclose > them to must agree to keep your secret). Perhaps he meant that the algorithm would be patented but the design details would remain a trade secret; in other words, the "how" would be public, but the "why" would remain private. I believe the Data Encryption Standard is set up this way: the algorithm is public knowledge, but its design is kept secret by the NSA (or whichever government agency formulated it). Jim -- _ Jim Thompson | Wanted: _| ~- thompson@wg2.waii.com | Nick Park's "Grand Day Out" \, _} Western Geophysical | on VHS-format videotape \( Houston, Texas | Email me if you know where I can buy it.
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Path: arc1-ca.pugleaf.net!sparky!uunet!airgun!airgun.wg.waii.com!jct From: jct@se33.wg2.waii.com (Jim Thompson) Newsgroups: gnu.misc.discuss Subject: Re: Time to boycott Photo CD Message-ID: <JCT.92Aug31122518@se33.wg2.waii.com> Date: 31 Aug 92 16:25:18 GMT References: <1992Aug27.173045.4694@m.cs.uiuc.edu> <1992Aug27.191008.8372@kodak.kodak.com> <FRIEDMAN.92Aug29214928@nutrimat.gnu.ai.mit.edu> <17pj4fINNm8i@early-bird.think.com> Sender: news@airgun.wg.waii.com Organization: Western Geophysical Exploration Products Lines: 25 Nntp-Posting-Host: se33.wg2.waii.com In-reply-to: barmar@think.com's message of 30 Aug 92 04:34:23 GMT