Patent ID: 6888471

Claim:
A sensor system for detecting at least one dimensional variable of a rotating object ( 30 ), having at least one sensor, disposed on the rotating object ( 30 ) and sensitive to the dimensional variable, and having means for picking up measurement signals from the at least one sensor and forwarding the signals to a processing device, which include an antenna array ( 11 ) for supplying the at least one sensor with high-frequency energy end for receiving a high-frequency signal, modulated as a function of the variable to be detected, from the sensor, characterized in that a plurality of such sensors are disposed on the object ( 30 ), distributed in the circumferential direction; and that the antenna array ( 11 ) has a directional characteristic ( 34 ) for transmission and/or reception which is stationary with respect to a coordinate system not rotating with the object ( 30 ) and which includes only a subregion ( 32 ) of the object ( 30 ).