| 摘要 |
PROBLEM TO BE SOLVED: To suppress an unauthorized disrupt action for a crime prevention function and to enable an installation position of the crime prevention receiver to be easily changed. SOLUTION: A crime prevention receiver 20 consists of a main part of a receiver 20A, driven by DC power supply, for alarming an abnormal condition responding to its own operating state, when a detection signal is received, and a power supply part 20B in which the crime prevention system 1 is fixed and installed to be buried inside a wall of a building where installed; AC power supply is converted to the DC power supply, and the DC power supply is supplied to the main part of the receiver 20A. The main part of the receiver 20A has a latch opening 62, latched free to be attached and detached to the power supply part 20B, and is realized by electrically connected to the power supply part 20B when latched to the power supply part 20B via the latch opening 62. COPYRIGHT: (C)2008,JPO&INPIT
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