To provide a crime preventing system equipped with locking devices equipped with monitoring/warning functions against illegal invasion to housing or the like for simultaneously executing the locking, warning, reporting and unlocking of those locking devices.
This crime prevention system is provided with a first auxiliary lock 50 installed in the front door of a building, a second auxiliary lock 3 installed in a window and a main controller 80 communicatively connected to communicate the instructions of locking and unlocking of the first auxiliary lock 50 or the second auxiliary lock 3 between a first cordless handset 79 and a second cordless handset 80A. This crime prevention system is provided with an absence warning mode to execute the locking of the second auxiliary lock 3 in response to the instruction from the main controller 80, to execute the locking of the first auxiliary lock 50 in response to the instruction from a sub-controller 100, to execute the unlocking of the first auxiliary lock 50 in response to the instruction from the sub-controller 100, and to execute the unlocking of the second auxiliary lock 3 in response to the instruction from the main controller 80.
NAGANO SHIGERU
MORIMOTO TAKEYUKI
Nishimura Kimiyoshi
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