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US 2015/0030134 A1Published application
Medical imaging device
AssigneeKoninklijke Philips N.V.
InventorHelmut Mrusek
Life of this patent
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Abstract
A medical imaging device 10 comprises an inverter 12 with semiconductor switches 26 for generating an AC voltage to be supplied to a load 20, 22, a coil 32 inductively coupled to a conductor 34 of the inverter 12 connected with a semiconductor switch 26 of the inverter 12, and a monitoring circuit 60 for monitoring a current in the conductor 34 with a signal from the coil 32.
Claims15
A medical imaging device, comprising:
- an inverter with semiconductor switches for generating an AC voltage to be supplied to a load;
- a coil inductively coupled to a conductor of the inverter connected with a semiconductor switch of the inverter;
- a monitoring circuit for monitoring a current in the semiconductor switch with a signal from the coil;
- wherein the coil is inductively coupled to a conductor connected via bond wires to the semiconductor switch.
1 more element
(canceled)
A method for operating a medical imaging device, the method comprising the steps of:
- switching semiconductor switches of an inverter of the medical imaging device for generating an AC voltage to be supplied to a load;
- generating a signal in a coil inductively coupled to a conductor of the inverter connected via bond wires with a semiconductor switch of the inverter;
- and
- determining a current signal from the signal of the coil, the current signal indicating a current in the semiconductor switch.
1 more element
Dependencies are inferred from the claim text.