Re: Re: Occupancy detection

["Alancc" <alan.cc@xxxxxxx>]

One idea I had was to use a dualtech detector with seperate LEDS for the
PIR
and microwave sections, as the microwave can be very sensitive it makes
ideal ocupancy detection. Take the output from the microwave LED and use
this to interface with HV. Best of both world sensitive ocupancy detection
and reliable intruder detection all in one device.

Alancc
----- Original Message -----
From: "Frank Mc Alinden" <fmcalind@bigpond.net.au>
To: <ukha_d@yahoogroups.com>
Sent: Monday, January 19, 2004 9:12 AM
Subject: Re: [ukha_d] Re: Occupancy detection


> Hi Steve
>             Need one of  the pir manufacturers to design a pir which
has a
> input to tell it the system/area is secured and the sensitivity drops
to
> secure mode  level and when the system/area goes to access (off) the
pir
> goes to high sensivity mode for occupancy detection....;-)) iwonder if
there
> is  a pir that does this ???
>
> Frank
> ----- Original Message -----
> From: <steve.cooper@uk.zurich.com>
> To: <ukha_d@yahoogroups.com>
> Sent: Monday, January 19, 2004 7:57 PM
> Subject: Re: [ukha_d] Re: Occupancy detection
>
>
> >
> > Have to agree with David the ecolume PIR are great for occupancy
> detection.
> > We have one it our bathroom and the response time between walking
in and
> > X10 lights on is less than a second (that's going via comfort to
> > homevision).
> >
> > > Is there a good source for these PIRs?
> >
> > I got mine from Simon Coates.
> >



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