| 摘要 |
The burglary alarm system for a safe includes, as component parts, a control part(40) taking a care of control, a gravity sensor(1) which is the input side of the control part and senses the move of the safe, an impact sensor(2) to sense the impact applied to the safe, a clock part(3) to output, the pulse made by a crystal oscillator to the control part(40), a power source part(4) that is made of a storage battery and supplies electricity to the system, a power consumption sensor(5) to sense the consumption of the supplied electric power by the work of the Zener diode, a brightness sensing part(6) to sense the brightness around the safe by the work of a brightness sensor, a relay(RL) and an alarm system.
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