| 摘要 |
<p>PROBLEM TO BE SOLVED: To enable an electromagnetic device to be lessened in number of component parts, size, and power consumption. SOLUTION: This electromagnetic device has a structure where an iron core 4 is fitted and fixed in an insertion hole 2a bored in a coil bobbin 2 wound with an exciting winding 3, and a permanent magnet 5 is provided so as to oppose to the upper end 4a of the iron core 4. The permanent magnet 5 is supported in a manner where it is capable of swinging freely through the intermediary of a lever 6 around a pivot 7 as a swing center which is located on a center line G-G. The sides of the permanent magnet 5 located in the direction of swing are each magnetized to an N pole and an S pole.</p> |
