| 摘要 |
PURPOSE: A control device is provided to obtain high reliability and semi-permanent lifetime by mechanically maintaining a contact point after using instant electricity, thereby drastically increasing the stability of the control device. CONSTITUTION: A selection key maintains/releases a contact point when the contact point is maintained. A mechanical structure maintains/release a contact point. A control device obtains high reliability and semi-permanent lifetime by mechanically maintaining the contact point after using electricity.
|
