Article View: sci.electronics
Article #17597Re: Library Book detectors
From: John Purbrick
Date: Fri, 15 May 1987 04:50
Date: Fri, 15 May 1987 04:50
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In article <667@stride.Stride.COM>, mitch@stride1.UUCP (Thomas P. Mitchell) writes: > In article <875@oakhill.UUCP> charlie@oakhill.UUCP (Charlie Thompson) writes: > >OK Larry, I'll make a guess at how the LC resonant circuit with > >stripline antenna works...... > >The circuit is activated by gaussing and degaussing a magnetically > >biased inductor. > >So how'd I do Larry? Gee if nobody thought of this maybe I should > >patent it (fat chance now that's it's in netland!). After the "public use, disclosure, or sale" of an invention, you have 1 year to file your patent application, but for foreign protection you must file before disclosure. It's not too late!
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<2844@mit-hermes.AI.MIT.EDU>Path:
arc1-ca.pugleaf.net!utzoo!mnetor!seismo!gatech!mit-eddie!bloom-beacon!mit-hermes!jpexgReferences:
<146@illusion.UUCP> <868@oliveb.UUCP> <1726@kitty.UUCP> <667@stride.Stride.COM>Show Full Headers
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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Path: arc1-ca.pugleaf.net!utzoo!mnetor!seismo!gatech!mit-eddie!bloom-beacon!mit-hermes!jpexg From: jpexg@mit-hermes.AI.MIT.EDU (John Purbrick) Newsgroups: sci.electronics Subject: Re: Library Book detectors Message-ID: <2844@mit-hermes.AI.MIT.EDU> Date: Fri, 15-May-87 00:50:56 EDT Article-I.D.: mit-herm.2844 Posted: Fri May 15 00:50:56 1987 Date-Received: Sat, 16-May-87 14:11:14 EDT References: <146@illusion.UUCP> <868@oliveb.UUCP> <1726@kitty.UUCP> <667@stride.Stride.COM> Organization: MIT AI Lab, Cambridge, MA Lines: 12 Summary: He can get a US patent, but not foreign