Patent ID: 11927607
Assignee: ANALOG DEVICES INTERNATIONAL UNLIMITED COMPANY
Field: Measurement (Instruments)
Classification: CPC G  H | IPC G  H

Claim 16:
17. The current sensor according to claim 16, further comprising:
a fifth plurality of measurement conductors formed on the first layer;
a sixth plurality of measurement conductors formed on the second layer;
a seventh plurality of measurement conductors formed on the third layer;
an eighth plurality of measurement conductors formed on the fourth layer; and
a second plurality of vias formed on the substrate, wherein the second plurality of vias are arranged to connect respective ends of the fifth plurality of measurement conductors, the sixth plurality of measurement conductors, the seventh plurality of measurement conductors, and the eighth plurality of measurement conductors so as to form a first return coil and a second return coil,
wherein a first end of the first return coil is coupled to a second end of the first current measurement coil, the first return coil progressing around the path in a direction opposite to the first circumferential direction,
wherein a first end of the second return coil is coupled to a second end of the second current measurement coil, the second return coil progressing around the path in a direction opposite to the second circumferential direction, and
wherein a first end of the first current measurement coil is suitable for coupling to a measurement circuit and a first end of the second current measurement coil is suitable for coupling to the measurement circuit.