Patent ID: 11959942
Assignee: ANALOG DEVICES INTERNATIONAL UNLIMITED COMPANY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A current sensor, comprising:
a path for at least one current-carrying conductor;
a first measurement coil, wherein the first measurement coil progresses around the path in a first circumferential direction, the first measurement coil having a first end and a second end;
a first return coil, the first return coil having a first end and a second end, wherein the first end of the first return coil is coupled to the second end of the first measurement coil, wherein the first return coil progresses around the path in an opposite circumferential direction to the first circumferential direction, and wherein the first measurement coil and the first return coil are interleaved along the path;
a second measurement coil, wherein the second measurement coil progresses around the path in a second circumferential direction, the second measurement coil having a first end and a second end; and
a second return coil, the second return coil having a first end and a second end, wherein the first end of the second return coil is coupled to the second end of the second measurement coil, wherein the second return coil progresses around the path in an opposite circumferential direction to the second circumferential direction, and wherein the first measurement coil and the first return coil are interleaved along the path.