| 摘要 |
PURPOSE: A protective device including a batting sensor and a luminous device is provided to generate strong light having good visibility using the luminous device when a valid batting part of the protective device is batted. CONSTITUTION: A protective device for batting sports is comprised of a non-polar switching sensor(200) which is included on the inner part of a valid batting part of the protective device(403) and a head gear; a luminous device which is included on the valid batting part of the protective device and the head gear; a control device which supplies power to the luminous device when the non-polar switching sensor is on; and an air bag including a valve(501) for injecting and discharging air.
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