H - Electricity – 04 – B
Patent
H - Electricity
04
B
H04B 1/59 (2006.01) G01S 13/75 (2006.01) G01V 3/12 (2006.01)
Patent
CA 2582616
A transponder detector is provided with capabilities for detecting the presence and type of a transponder in its read range while operating at low power. The transponder detector includes an antenna assembly and a detection signal generator circuit coupled to the antenna assembly. The detection signal generator circuit is capable of generating a progression of detection signals on the antenna assembly across a range of frequencies. The transponder detector further includes a response signal receiver circuit coupled to the antenna assembly to receive a progression of response signals from the antenna assembly resulting from the progression of detection signals. A controller is coupled to the response signal receiver circuit which determines the presence and type of the transponder based on an evaluation of a transponder detection parameter in the progression of response signals.
Assa Abloy Ab
Assa Abloy Identification Technology Group Ab
Gowling Lafleur Henderson Llp
LandOfFree
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