Re: Dog Door Security - Please Help

[J. Sloud <jsloud@xxxxxxxxxxxxxxxxxxxxxxxxxxx>]

On Sun, 10 Jul 2005 01:13:39 GMT, "Frank Olson" <feolson@xxxxxxxxxx>
wrote:

>
><briansgooglegroupemail@xxxxxxxxx> wrote in message
>news:1120952808.644667.135900@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>>
>>
>> J. Sloud wrote:
>>
>>> Being in the industry, if I had this problem I'd contact the dog door
>>> with a wide gap contact and set it up as an alarm point.  I'd attach a
>>> RFID tag to the dog's collar and use a long range reader to shunt the
>>> contact when the dog was approaching the door.  Anything other than
>>> the dog would cause an alarm if the dog door was opened.
>>
>>
>> OK, can I do this wirelessly to an Ademco 20PS ?  If not, I need
>> another solution.
>
>
>Nope.  You'll need a stand alone prox reader with contact closures so you
>can bypass the door contact.  That means you'll have to power the reader
>from somewhere.  Of course, if the perp shoots the dog (or uses a quieter
>method to incapicitate the animal) and decides to put the collar on himself,
>you're facing the situation that Jim alluded to...  The perp (complete with
>dog collar) standing over your bed...
>

Okay I'll bite.  Theoretically, the same RFID chips that are available
to tag pets could be used as a credential to shunt a contact/ open a
door.  These tags can be implanted.  Ethically, this type of
technology is a nasty slippery slope.