Suitable high frequency magnetic conductive inductor was made through analyzing the high frequency vibratingcircuit of electron tube and doing an experiment of magnetic conductive inductor.
通过对电子管高频振荡线路的分析和对导磁体感应器的试验，制作了合适的高频导磁体感应器。
2
This paper introduced circuit principle and debugging methods of photoelectric synchronous track camera for vibrating screens.
本文介绍了振动筛光电同步轨迹拍摄仪的电路系统，工作原理及调试方法。
3
One finger tip vibrating masseur and one low-frequency current treating circuit to act on the insomnia acupoints and finger tip may be increased to raise the hypnogenesis effect.