Subject:
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Re: expansion ports
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 3 Jan 1999 03:51:54 GMT
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Viewed:
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1276 times
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> Does anybody know if LEGO has a patent on the 9V connector?
I guess I can answer that question myself. Look at this patent if you want to
see how the LEGO electrical connector works. This Peter Bolli is a pretty
clever guy.
http://patent.womplex.ibm.com/cgi-bin/viewpat.cmd/US04552541__
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Message has 1 Reply:
 | | Re: expansion ports
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| In article <F4ytEI.10M@lugnet.com>, Michael Gasperi <lugnet.robotics@lugnet.com> writes (...) able to be rotated and still allow proper +ve/-ve connection. The really neat idea though is clever positioning to avoid shorts. Totally kid proof. One bad (...) (25 years ago, 3-Jan-99, to lugnet.robotics)
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Message is in Reply To:
| | Re: expansion ports
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| (...) Does anybody know if LEGO has a patent on the 9V connector? I assume that it would be covered by some protection. This might make selling a complete expander product or other sensors impossible. A kit that required the user to complete the (...) (25 years ago, 2-Jan-99, to lugnet.robotics)
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