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Applications :  RFID-Forum
At this forum you may discuss all aspects of RFID-applications like aninal-ID, ticketing, acces controle, logistics, and other solutions. You may also search for vendors or system integrators. 
modification of a transponder signal with a magnet
Posted by: Djalil (IP Logged)
Date: September 08, 2009 04:30PM

Hello,

I'm a newbie in the RFID field and that s why I d like to have your expertise before I start.
I would like to detect when a component composed of two pieces maintained together with a magnet is disrupted.
Since this occurs in a suspension of gas/powder, it s not possible to observe this disruption visually. I tried with hall sensors or electrotomography, but without success.
My idea would be to use RFID. I expect that if I have a tag in each part of the component, their signal would interfer as long as they are close together and no longer as they are separated;
May be I can obtain interferences only using the effect of the magnet onto the tag.

I plan to use LF, because it my tags are in a gas/solid mixture.

Ideally, I would like to observe not only the answer of the reader (yes or no) but the radio signal emitted by the tag.

Does it sound feasible to you? Could you advice me some RFID systems that allow to get more information as described above?

Thx for your kind help!



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  modification of a transponder signal with a magnet 430 Djalil 09/08/2009 04:30PM


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