LOCKING AND UNLOCKING NOTIFICATION SYSTEM FOR TERMINAL KEY OF LOCK, AND TERMINAL KEY OF LOCK FOR BUILDING

摘要

PROBLEM TO BE SOLVED: To provide a locking and unlocking notification system for a terminal key of a lock that suppresses a system configuration cost to an extent possible, along with the terminal key of the lock for a building.;SOLUTION: A locking and unlocking notification system for a terminal key of a lock includes a lock, a terminal key for the lock having a blade that may be inserted into a key hole of the lock, a first communication terminal that communicates wirelessly with the terminal key for the lock, and a second communication terminal that acquires a latest locked state or an unlocked state of the terminal key of the lock through a communication network from the first communication terminal. The lock is fitted on an entrance/exit door of a building, and includes at least an inner cylinder provided rotatably on an outer cylinder and having a key hole, a plurality of movable obstacle pieces that holds the inner cylinder at a locked position or an unlocked position, and energizing means that energizes the movable obstacle pieces in a direction to engage with an unlocking groove formed on the blade of the terminal key of the lock.;SELECTED DRAWING: Figure 1;COPYRIGHT: (C)2017,JPO&INPIT