| 摘要 |
1. A magnetically operable vibrating reed assembly comprising a support, an elongated reed having one end thereof secured to said support with the other end thereof remaining free to vibrate, said elongated reed having a plurality of longitudinally extending slots therein adjacent the free end of said reed to break up any radio frequency currents induced in said reed, coil means secured to said reed, means to supply an electrical current through said coil means, and means for the establishment of a magnetic field perpendicular to the longitudinal axis of said coil whereby said reed is caused to vibrate.
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