| 摘要 |
A main controller, equipped in a car audio/visual (A/V), navigation, or a portable phone, is enabled to contact an emergency contact during an emergency. This is done by incorporating a shock sensor on an in-vehicle sensor, or a portable phone, so that a portable phone controller detects a signal from the shock sensor at a constant or certain time interval and, upon detection of a signal at a certain level or higher, executes an instruction of an emergency contact. Thus resulting in a service provision system capable of responding quickly to an emergency situation involving human life via the portable information equipment's emergency contact, if an emergency situation involving human life occurs.
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