Patent ID: 7482921

Claim:
A device for localizing transponders, comprising: a first transponder disposed at a first position in an object and configured to provide a first response signal in response to a request signal; a second transponder disposed at a second position, different from the first position, in the object and configured to provide a second response signal in response to the request signal; and a base station having: a transmit/receive device for transmitting a request signal to said first and second transponders and for receiving the first and second response signals from said first and second transponders, respectively; an evaluation device for evaluating the first and second response signal, for comparing field strength information associated with the evaluated response signals to one another, and for determining a distance from the base station to said first and second transponders based on the comparison of the evaluated response signal; said first transponder assigned to a first tire mounted on an axle, and said second transponder assigned to a second tire mounted on the axle.