| 摘要 |
A mobile alarm system, comprising a mobile phone, an external mechanical sensor and connection cables, is disclosed, where a connector with the wires (21, 22 and 31) connected in parallel to one to three selection and/or activation keys (11, 12) is built into the mobile phone (1), and, outside the mobile phone, these wires (21, 22, 31) lead to the sequence switch (4), which is adjusted for sequential pulse switching of the selection keys (11, 12), where the single or multiple switching is performed by making contact between the leads (21, 22) from the selection keys (11, 12) and the third wire (31) connected to the common ground clamp of the mobile phone (1).
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