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I Set Off 2 Alarms Today
- Thread starter Classic
- Start date
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CPT Nervous
Grandmaster
I have nothing to add. Those are not metal detectors.
Just for giggles, next time you go into a walmart and it goes off, ask the greeter to wand you. they have handheld wands to figure out what didnt get deactivated. with that wand they will be able to find out exactly where it is at just like an airport screener can find the metal (or those two rivets in your jeans 
) with a wand.
) with a wand.
All of the very useful suggestions are much appreciated. Just seemed odd to me as I have carried in both of those stores in the recent past with no alarms.
BTW when they give you that implant they do tell you it is guaranteed not to trip any alarms. Guess they lied about that too. You can't trust anyone anymore.
BTW when they give you that implant they do tell you it is guaranteed not to trip any alarms. Guess they lied about that too. You can't trust anyone anymore.
Informed Decision
Sharpshooter
Some security tags are actually built into some shoes. We had a gentleman that constantly set off the alarms at Lowes. We knew he wasn't stealing as he set them off coming in & going. He'd practically strip, he so wanted to figure this out. Dead of summer, no place to have anything stuffed anywhere .(well , almost) Still would set off the alarms. Finally he mentioned, recently purchasing his shoes at Walmart . Out of a whim, we had him raise each shoe over the deactivator and that fixed it. He couldn't believe it cause they supposedly deactivated during the sale.
Just to clarify... those sensors at the door are either Near Field Communication devices or Proximity readers. Here is how they work to hopefully help it make sense.
If you have ever looked closely at those square theft tags, you may have noticed something... a spiral of lines. That is the antenna that collects energy to drive the transmitter. Those towers at the exits are giant electromagnets basically... they create a magnetic field of sorts. That magnetic field is picked up by the tag and the energy is collected and converted to electricity. That juice powers the circuit that wakes up and transmits a weak signal. the towers pick up that signal and send an alarm.
When the cashier passes the anti theft tag over a special powerful magnet at the register, the tags are deactivated by the magnet drawing a shorting bar across the circuit disabling it, preventing it from working any more.
Not sure why not all stores beep. I thought all of the stores use the same tech since vendors like Gillette for example will put their tags in the blade packs. Maybe they customize the tags based on which retailer they are shipped to?
Do you have an electronic keycard for getting into your office building? Similar tech. The card has the same inductive antenna, but it has a unique code it transmits when energized. When that code is detected by the reader, it unlocks the door. (provided your card was granted access to that door)
Hope that helps.
If you have ever looked closely at those square theft tags, you may have noticed something... a spiral of lines. That is the antenna that collects energy to drive the transmitter. Those towers at the exits are giant electromagnets basically... they create a magnetic field of sorts. That magnetic field is picked up by the tag and the energy is collected and converted to electricity. That juice powers the circuit that wakes up and transmits a weak signal. the towers pick up that signal and send an alarm.
When the cashier passes the anti theft tag over a special powerful magnet at the register, the tags are deactivated by the magnet drawing a shorting bar across the circuit disabling it, preventing it from working any more.
Not sure why not all stores beep. I thought all of the stores use the same tech since vendors like Gillette for example will put their tags in the blade packs. Maybe they customize the tags based on which retailer they are shipped to?
Do you have an electronic keycard for getting into your office building? Similar tech. The card has the same inductive antenna, but it has a unique code it transmits when energized. When that code is detected by the reader, it unlocks the door. (provided your card was granted access to that door)
Hope that helps.
Just to clarify... those sensors at the door are either Near Field Communication devices or Proximity readers. Here is how they work to hopefully help it make sense.
If you have ever looked closely at those square theft tags, you may have noticed something... a spiral of lines. That is the antenna that collects energy to drive the transmitter. Those towers at the exits are giant electromagnets basically... they create a magnetic field of sorts. That magnetic field is picked up by the tag and the energy is collected and converted to electricity. That juice powers the circuit that wakes up and transmits a weak signal. the towers pick up that signal and send an alarm.
When the cashier passes the anti theft tag over a special powerful magnet at the register, the tags are deactivated by the magnet drawing a shorting bar across the circuit disabling it, preventing it from working any more.
Not sure why not all stores beep. I thought all of the stores use the same tech since vendors like Gillette for example will put their tags in the blade packs. Maybe they customize the tags based on which retailer they are shipped to?
Do you have an electronic keycard for getting into your office building? Similar tech. The card has the same inductive antenna, but it has a unique code it transmits when energized. When that code is detected by the reader, it unlocks the door. (provided your card was granted access to that door)
Hope that helps.
Very interesting. Learned something new and all that. Thanks for the details.
Now I want to get some tags and randomly place them on people to see what happens. Keep the greeters busy so they stop checking the receipt for my beer.
Classic : I really like your Avatar. That car has always been my favorite Indy Car. I remember having a plastic toy car like that when I was young. In 1999 I worked on a Indy Car team and our garage was part of AJ Watsons old complex in Pittsboro. I used to talk to him all the time. Really cool guy. He use to fire up ole Offenhausers on his dyno. He's also got a storage garage full of the coolest cars and Indy stuff in exsistence. While I was there he was restoring a 6 wheel Indy Car from the 60's maybe. Sorry for the off topic but had to say something.
I also had some boots with the tag someplace inside the shoe & would set them off. I think it was Meijer that told me they were inside the shoe and you can't get to them & turned them off.
My wife brought some stuff at the mall and they didn't remove the larger plastic tags. She was home before she found out, we went back to the mall & when we walked into Dicks we set it off, told the guy & showed him what it was and walked through the store and before we walked out we told a worker at that door (into the mall) what was going on & that we would set off the alarm. It didn't go off. We also didn't set it off when we walked into the store she got the stuff from.
They removed the tags and started checking there alarm.
My wife brought some stuff at the mall and they didn't remove the larger plastic tags. She was home before she found out, we went back to the mall & when we walked into Dicks we set it off, told the guy & showed him what it was and walked through the store and before we walked out we told a worker at that door (into the mall) what was going on & that we would set off the alarm. It didn't go off. We also didn't set it off when we walked into the store she got the stuff from.
They removed the tags and started checking there alarm.
Timjoebillybob
Grandmaster
- Feb 27, 2009
- 9,418
- 149
I heard of an LEO doing that to a co-worker. They took one of the tags and stuck it in the "glock hole" in the grip....
I like the shopping cart idea.
I've had a pair of work boots for about 7 or 8 years that still set off alarms. I never even break stride.
next time you are at Walmart, climb up onto a register and stand on the deactvator machine.
Wallets, state troopers, and 5 year old girls have been mentioned. Why not the boner drone? It may be possible that when a boner drone homes in on an individual as they pass through the detectors, it could set them off. I recommend full-body aluminum foil.
kickbacked
Master
- Jan 12, 2010
- 2,390
- 113
did this ever get figured out?
I figured out what was causing it to go off. It was a retail RF tag. It was the one thing I had in my pocket that day. I have now separated the tag from the package and I'm taking it with me next trip to Tractor Supply for testing. Interesting info in this thread anyway.
