| 摘要 |
A mobile feedback detector comprising a main machine to collect all safety information (e.g. detection of door and window opening, temperature, smoke, vibration, carbon monoxide, etc) from the detectors mounted at fixed positions in preset room by means of the transmission and reception of radio waves, and the user outdoors can be informed of a detected abnormal situation by an automatic dialing device through cable or radio telephone or B. B. Call, and so that the present invention is easy to be carried outdoors in addition to the individual power supply and the easy installation; also, it is suitable for the theft-protective detection on motorcycles and cars or in the travelling; even, the satellite mobile telephone can be used as communication medium to inform the user at the remote place to control the safety of the preset rooms and to have a timely handling; thus, a double-side communication without distance restriction is created.
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