Newsgroups: comp.robotics
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From: Gregory.Vines@brunel.ac.uk (Gregory Vines)
Subject: Re: Slip Rings
Message-ID: <CxB424.5yq@brunel.ac.uk>
Organization: Brunel University, West London, UK
References: <Cwn6Cq.MFs@world.std.com> <barrus-270994085030@centris3.merl.com> <1994Oct4.010134.7209@hparc0.aus.hp.com>
Date: Fri, 7 Oct 1994 14:25:15 GMT
Lines: 17

In article <1994Oct4.010134.7209@hparc0.aus.hp.com> robink@aus.hp.com (Robin Kenny) writes:
>Further info on slip rings:
> ordinary wire brushes can be used to contact the rotating conducting ring.
>The cheapest set up I have ever seen was an old (1968) video recorder
>that used three brushes per connection, the theory being that there is a
>one_in_eight chance of all three brushes not being in contact with the ring
>at the same time. This worked very well.

If you were going to do this; staggering them around the circumference
would further reduce the chance of all of them jumping...

Just a thought,

		Greg

2 wrongs may not make a right, but 3 lefts certainly do!

