| 摘要 |
A mobile terminal set is provided to be usefully applied for various types of electronic devices that employs an accessory. An accessory(30) includes a gravitation sensor(50), and is positioned at a body part of a user, and selectively signal-connected with a terminal control module. A dozing-off warning module(40) is selectively electrically connected with the accessory, determines a dozing-off state of a user by calculating the body slope of the user based on an electrical signal of the gravitation sensor, and induces to selectively output a dozing-off conquest warning signal.
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