摘要 |
The present invention relates to conversion between electrical and mechanical energy. In preferred forms, a solenoid assembly is provided which comprises: a housing containing a core member and a coil assembly including at least one coil; a plunger assembly adapted for reciprocal movement within said housing between a first position and a second position; and a driver circuit for energizing said coil assembly to cause said plunger assembly to move at least between said first and second positions |