| 摘要 |
A safety helmet (1) incorporates a microphone (4), a loudspeaker (5) and a communication module (6) for telecommunication. This helmet also has a chin clamp (2) and an opening (3) near the ear to pick up the loudspeaker. At the back of the helmet there are devices (6) fitted between the communications and a mobile telephone using a method like the blue tooth method. |
