Re: RE: RFID Human Implants - Occupancy Detection

[Mark Kaye <mark.kaye@xxxxxxxxxxxxx>]

Ward, David wrote:
> Well,  these ones I bought from QTEKNOLOGY certainly detect* the
presence of
> the 'PetLog IdentiChip'  in our animals
>
>  <http://home.btconnect.com/QTEKNOLOGY/>
 (Check ebay as he sometimes has
> stuff on aution)
>
> When I say detect*, I mean that as a quick bodge I bunged an LED on
the
> data-out line of the RFID reader IC,  when I run the aerial over the
chip in
> our Cat or the fobs it was supplied with the LED lights.....
>
> I have yet to determine if hte code it's spurting out is valid or just
> garbage that's not repeatable
> Also the read range of the small antenna supplied with the board is
about
> 10mm (measured from the OUTSIDE of the aminal ;-)

How cool,  I'd be very interested if, somehow the detection range could
be extended.  How practical would it be for a catflap if the cat has to
get its chip within 10mm or so of the reader?