Patent ID: 7336160

Claim:
A reader system for sensors in a motor vehicle having an engine hood and an engine compartment comprising: (a) a plurality of sensors disposed in the motor vehicle, each sensor having an associated transponder, at least some of the plurality of sensors being disposed in the engine compartment, and at least one sensor comprises an oil sensor and a signal-transmission device is assigned to the oil sensor; (b) an energy-transmitting coil arranged on the engine hood for reading signals from the sensors in the engine compartment; (c) at least one signal-reading antenna arranged on the engine hood for reading, signals from the sensors; (d) a first coil; and (e) a second coil connected to said first coil near the oil sensor; wherein said at least one signal-reading antenna comprises a first signal-reading antenna and a second signal-reading antenna, said first signal-reading antenna being associated with the oil sensor and arranged on the engine hood, said first coil and said second signal-reading antenna being arranged in the engine compartment near the first signal-reading antenna.