Re: Re: Intelligent Light Switching - Thoughts?

["Neil F" <automated@xxxxxxx>]

Or if you have a reclining type seat and are a fidget like me, a mercury
switch!

If it's only a problem when your working at your PC, how about trying to
tap
into the power mangement...when your monitor shuts off and no motion, HV
assumes the room is empty.

Neil
----- Original Message -----
From: "Kenneth Watt" <kennwatt@xxxxxxx>
To: <ukha_d@xxxxxxx>
Sent: Wednesday, January 02, 2002 5:18 PM
Subject: RE: [ukha_d] Re: Intelligent Light Switching - Thoughts?


> Easier still...a pressure mat under you're ass! ;-)
>
> K.
>
> > -----Original Message-----
> > From: Graham Butler [mailto:graham@xxxxxxx]
> > Sent: 02 January 2002 16:58
> > To: ukha_d@xxxxxxx
> > Subject: Re: [ukha_d] Re: Intelligent Light Switching - Thoughts?
> >
> > Had a thought along similar lines - stick a PIR on the wall under
the
> > desk.
> > Sit down and it detects your legs :-)
> >
> > G
> > ----- Original Message -----
> > From: "PatrickLidstone" <patrickl@xxxxxxx>
> > To: <ukha_d@xxxxxxx>
> > Sent: Wednesday, January 02, 2002 11:15 AM
> > Subject: [ukha_d] Re: Intelligent Light Switching - Thoughts?
> >
> >
> > > --- In ukha_d@y..., "Steve B" <steve@b...>
wrote:
> > > > Could you not improve this with better PIR position or
more than
> > > one ?
> > >
> > > How's this for a barking mad bit of lateral thinking?
> > >
> > > Put a light sensor in the vicinity of the seat.
> > >
> > > 1. PIR detects movement and turns light on.
> > > 2. Timer started
> > > 3. Mark sits down for a 3 hour nap at his desk
> > > 4. Light sensor goes from light->dark even though room is
lit.
> > > 5. Timer expires. If light sensor is dark - reset timer; if
light
> > > sensor is light room is empty - turn off light.
> > >
> > > Major issue is positioning light sensor adequately. It
doesn't have
> > > to be directly fixed to the chair - as long as it is in a
shadow
> > > (perhaps on the floor in the vicinity of the desk?)
> > >
> > > Patrick
> > >
> > >
> > >
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