Subject:
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Re: Pneumatic "One Leg at a Time" Robot Circuit
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Newsgroups:
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lugnet.technic
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Date:
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Wed, 14 Sep 2005 14:53:53 GMT
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Viewed:
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3821 times
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> > I had a surprise the other day. Looking on my old computer I discovered
> > that
> > I'd drawn a 1+4 AND gate for myself long before I joined the online
> > community!
> > I wouldn't quibble about credits, though it just shows how great minds
> > think
> > alike! The discovery was not a surprise in one sense, because I wondered
> > how I
> > had developed my octopus arm without first making an AND gate. The
> > octopus arm
> > is an old design too, but it combines single and differential logic. I
> > think I
> > drew a first circuit sketch and then minimised it, probably removing a
> > third of
> > the switches!
>
> Quibbling about credit wouldn't do any good, because my invention was
> independent from yours. I've never had access to your computer so clealy
> mine
> was independent ;^) It is interesting that it took you so long to
> recognize my
> 1+4 as a valid AND gate (even though you already invented it and forgot)
How many different 'designs' could one come up with for an AND gate in LEGO
pnuematics anyway?
-Rob
www.brickmodder.net
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Message has 2 Replies:
 | | Re: Pneumatic "One Leg at a Time" Robot Circuit
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| (...) Not many efficient ones, but it very much depends on the type of logic, whether it's differential (a pressure hose and a leak hose to a cylinder) or single (a few switches daisy-chained for an "all legs up" condition) If anyone were to patent (...) (19 years ago, 14-Sep-05, to lugnet.technic)
| | | Re: Pneumatic "One Leg at a Time" Robot Circuit
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| (...) I've come up with three AND gate technologies so far. Also I've come up with three OR gate designs too (those are differential output, plus I have a single pressure OR too). I've only come up with one differential XOR and a single pressure (...) (19 years ago, 15-Sep-05, to lugnet.technic)
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Message is in Reply To:
| | Re: Pneumatic "One Leg at a Time" Robot Circuit
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| (...) I understand that leg 0 is moved up forward then down, leg 1 is moved up/forward/down, leg2 is moved up/forward/down, leg 3 is moved up/forward/down, and finally leg 0, leg 1, leg 2 and leg3 are moved back. I don't quite understand why you (...) (19 years ago, 13-Sep-05, to lugnet.technic)
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