| 摘要 |
A first keylock switch and a first keylock switch system of this invention receive the supply of power from two terminals provided to the keylock switch, and output key data. Therefore, this invention can accomplish a small and reasonably-priced keylock switch and keylock switch system, drastically expand the field of application of the keylock switch, and improve security in various fields. A second keylock switch and a second keylock switch system of this invention, in particular, can also maintain the function of a conventional lock utilizing metal material. Also, this invention can isolate the signal read by read means from the power or power source stored in charge storing means to realize both supplying of power and outputting of key data through two terminals. Further, the present invention can quickly reset the state inside the keylock switches to an initial state to prepare for the next use.
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