| 摘要 |
An electrical generator characterised by comprising:- a permanent magnet (15, 115, 215, 315, 415), an electric winding (14, 114, 214, 314, 414) traversed by the magnetic flux generated by the magnet and provided with terminals for feeding an external user circuit, a ferromagnetic element (13, 113, 213, 313, 416) interacting with said magnet, a pushbutton (12, 112, 212, 312, 412) movable between a rest configuration in which the ferromagnetic element and the magnet are maintained in mutually attracted condition and a pressed configuration in which the ferromagnetic element and the magnet are spaced apart in opposition to their mutual attractive force. |
