| 摘要 |
PURPOSE: An alarm device is provided to call a driver's attention by providing electric stimulus of low frequency to a driver's hands catching a handle as for change of a lane by a mistake, make a driver concentrate on driving, and prevent car accidents by sleepiness. CONSTITUTION: An alarm device is consist of a main switch(40) connecting to a power to work an alarm device for preventing of lane invasion; an LC sensor(50) detecting a left lane as installed in left side of a vehicle; an RC sensor(60) detecting a right lane as installed in right side of a vehicle; a driving part(30) outputting controlled signal by performing control action from inputting the LC sensor, the RC sensor and the switch signal; a generator(20) of L low frequency, a generator of R low frequency occurring low frequency as driving by receiving controlled signal from the driving part; an absorption element(10)(110) of low frequency stimulating a driver as absorbing low frequency generated from the generator of L low frequency and R low frequency. The generator of L low frequency occurs low frequency and outputs to the absorption element, stuck to a left handle. The driver held the left handle senses a signal of low frequency, turn the handle to the right side and prevents lane invasion of the car.
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