Patent ID: 8103330

Claim:
A Positron Emission Tomography (PET) detector including a sensor device, the sensor device configured to operate in a time-varying magnetic field of a magnetic resonance tomograph, the sensor device comprising: an electrical sensor circuit configured to generate a sensor signal; an induction circuit in which a compensation signal is induced by the lime-varying magnetic field during operation of the magnetic resonance tomograph; and a circuit arrangement configured to combine the compensation signal with the sensor signal to form an output signal to compensate for noise signals induced in the at least one electrical sensor circuit by the lime-varying magnetic field, wherein the sensor device further includes N photosensors respectively outputting N sensor signals, the sensor signal output by the electrical sensor circuit being a portion of the N sensor signals, the N sensor signals being transmitted on M output lines, the M output lines being less than the N photosensors, and the sensor signal of each photosensor is added to each output line and is weighted with a predetermined factor before the addition.