| 摘要 |
PROBLEM TO BE SOLVED: To provide a current sensor employing a relatively inexpensive magnetic sensor element which has a characteristic of high sensitivity with lower power consumption, has miniaturized and simple structure, and can reduce positioning error.SOLUTION: The current sensor employs a magnetic sensor element which converts a magnitude of a magnetic field to an electric signal and outputs it, and configured with a bridge circuit composed of four magnetic sensor elements with a line symmetrical magnetic characteristic curve, and bias magnetic field applying means which applies a bias magnetic field to each of the magnetic sensor elements. The magnetic sensor elements are arranged in a plane orthogonal to a measurement object current. |
