Patent ID: 11885835
Assignee: TDK CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 16:
17. A current detection apparatus comprising:
a magnetoresistive effect element;
a coil including a first tier part and a second tier part opposed to each other in a first axis direction, with the magnetoresistive effect element being interposed between the first tier part and the second tier part, the coil being wound around the magnetoresistive effect element while extending along a second axis direction orthogonal to the first axis direction, and being configured to be supplied with a first current and thereby configured to generate a first induction magnetic field to be applied to the magnetoresistive effect element in the second axis direction; and
a conductive line configured to be supplied with a second current and thereby configured to generate a second induction magnetic field to be applied to the magnetoresistive effect element in the second axis direction, wherein
the first tier part including a plurality of first conductors each extending in a third axis direction that is along a winding direction of the coil, the plurality of first conductors being arranged in the second axis direction and coupled in parallel to each other,
the second tier part, includes a plurality of second conductors each extending in the third axis direction, the plurality of second conductors being arranged in the second axis direction and coupled in parallel to each other, and
the plurality of first conductors is larger in number than the plurality of second conductors.