| 摘要 |
PROBLEM TO BE SOLVED: To eliminate an operation to input a password for an electric lock by unspecified persons, and increase the effect of crime prevention. SOLUTION: In a password unlocking device for an electric lock for unlocking an electric lock 5 after inputting a password from a password input unit 2, the password input unit has input sensors provided at polygonal tops connected to each other via channels 6 and an input rod 1 fittable to the channels 6 for inputting the password in the sensing sequence of the input sensors by tracing the channels and passing through the tops.
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