| 摘要 |
<p>PROBLEM TO BE SOLVED: To obtain a current detector which having less malfunctions owing to an external magnetic field. SOLUTION: A current detector 10 includes a magnetic sensor 28 fitted to an insulator substrate 12. On both the sides of the insulator substrate 12, a 1st core 30 and a 2nd core 32 are arranged which face each other across the magnetic sensor 28. The 1st core 30 and 2nd core 32 are made to abut against each other through a through hole bored in the insulator substrate 12. A bobbin 34 is fitted to the 2nd core 32 and wound with a coil 36. A circuit detecting the presence of a current is connected to the coil 36.</p> |
