Objective to design the circuit used in drug-iontophoresis and interference electric current therapy, which is a multi-functional apparatus.
目的：设计实现药物离子导入和干扰电多功能治疗仪的电路。
2
The method and apparatus have a reduced sensitivity to error sources, i. e. gravity, internal friction and operator interference (unsteady holding of the instrument).
该方法和装置具有对误差源，即，重力、内部摩擦力和操作者干涉(不稳固地保持仪器)而言减小的灵敏度。
3
Reliability design and anti interference technique of intelligent electrical apparatus control system and its importance were introduced.