RE: Re[2]: RE: RFID Human Implants - Occupancy Detection

["Ward, David" <DAvid.Ward@xxxxxxxxxx>]

Pete,

Make sure you make a breakaway or stretch part to the collar to avoid
strangulation is she gets hooked on anything

Dave


-----Original Message-----
From: Pete Shew [mailto:ukha_d@xxxxxxx]
Sent: 09 February 2005 10:33
To: UKHA
Subject: Re[2]: [ukha_d] RE: RFID Human Implants - Occupancy Detection



Thanks David,

thats a bit smaller than the keyfob. Certainly smaller than
what she's wearing now. Perhaps if I replaced the coil with a
few turns of enamelled wire I could fit it all into the lining
of the collar.

Pete


*********** REPLY SEPARATOR  ***********

On 09/02/2005 at 08:56 Ward, David wrote:

>I have it in front of me
>
>The RFID disc is inside the keyfob (easily pried apart, just clips back
>together)
>
>The disc is 30mm Diameter and 0.7mm thick,  the embedded coil
antenna is
>25mm od 19mm id
>
>picture here www.dave.ward.freeuk.com/rfidtag.jpg
>
>Dave
>
>
>-----Original Message-----
>From: Ward, David [mailto:DAvid.Ward@xxxxxxx]
>Sent: 08 February 2005 11:27
>To: 'ukha_d@xxxxxxx'
>Subject: RE: [ukha_d] RE: RFID Human Implants - Occupancy Detection
>
>
>
>Pete
>
>IIRC It's quite large in diameter around 25 to 30mm I think,
>but only 1mm or
>so thick
>
>I'll try and remember to check tonight
>
>
>Dave
>
>-----Original Message-----
>From: Pete Shew [mailto:ukha_d@xxxxxxx]
>Sent: 08 February 2005 10:54
>To: UKHA
>Subject: [ukha_d] RE: RFID Human Implants - Occupancy Detection
>
>
>
>David,
>	can you remember what size the thin PCB disc is inside
>the keyfob? I presume it is mostly a coiled aerial. I am hoping
>to get a tag small enough to be carried by our cat because a)
>the Staywell cat flap key is large and awkward shaped, and b)
>it doesn't have a very good detection range, especially from
>outside. Mounting an RFID reader aerial just below the door on
>the outside would seem to give a closer range.
>
>Pete
>
>-- Original Message --
>    * From: "Ward, David" <DAvid.Ward@xxxxxxxxxx>
>    * Date: Thu, 27 Jan 2005 10:18:31 -0000
>
>Yup,  those are the ones I have
>
>his site is http://home.btconnect.com/QTEKNOLOGY/
for more info
>
>If I remeber correctly the keyfobs come apart easily and inside
>is a very
>thin PCB disc with the RFID IC embedded in it.
>
>FWIW I The reader sputs out serial data in the of the Animal ID
>tags in our
>cats,  now I just need to get Cat, Reader, DSO or PC together
>in the same
>place to work out the code
>hmmmm I wonder If pronto could store the code If I modulated the
>bitstream?.....
>
>I think this is going to turn out to be one of those projects
>that requires
>a whole box of 'Scooby Snacks' :-S
>
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>Yahoo! Groups Links
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>Yahoo! Groups Links
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>Yahoo! Groups Links
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