Abstract: An intelligent lock that can set a key code by itself, a key which can be used for many locks, as well as a setting tool are presented. The key may include a housing, a battery, a head, a group of contacts provided on the head, a non-volatile memory, and a special key code. The contacts for power supply and data transmission are connectable with two ends of the battery through respective wires. The intelligent lock system can easily set or cancel a key code by itself, and a single key can operatively replace many kinds of keys. The intelligent lock is cheap and easy to use.

Abstract: The present invention relates to an intelligent lock that can set a key code by itself, and to a key which can be used for many locks. The present invention also related a setting tool. Wherein the key includes a housing (1), a battery (2), a head (5), a group of contacts (4) provided on the head (5) and storing means (6). The contacts for power supply and data transmission are connected to the two ends of the battery through the wires respectively, the storing means is a non-volatile memory, and a special key code is stored in the memory. The present invention aims at providing an intelligent lock system that can easily set or cancel a key code by itself, and in which only one key can replace many keys, even all kinds of keys. Moreover, the cost is low and people can use it easily.