Patent ID: 11944457
Assignee: KONINKLIJKE PHILIPS N.V.
Field: Medical technology (Instruments)
Classification: CPC A  G  H | IPC A

Claim 9:
10. A device as claimed in claim 1, comprising a sensor control system at the opposite end of the shaft to the sensor head, wherein the sensor control system comprises:
a ground connection for a first one of the pair of electrical wires;
means for providing a DC voltage on the second of the pair of electrical wires;
a first readout amplifier for reading out a modulated current on the second of the pair of electrical wires;
a driving unit for providing a drive voltage on the second of the pair of electrical wires in the second frequency range; and
a second readout amplifier for reading out a sensor signal on the second of the pair of electrical wires in the second frequency range.