| 摘要 |
A vibration-proof holder applicable to a communications/navigation device for vehicle use is provided, characterized by the use of a gap-detecting unit to detect position variations of the communications/navigation device, and an electromagnetic control unit to adjust magnetic intensity of magnetic bodies fixedly installed in the vehicle, wherein first and second magnetic bodies are limited to remain in the same track and to face one another with the same magnetic polar end thereof, such that the communications/navigation device can return to its initial position to achieve the vibration-proof effect.
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