| 摘要 |
A hands free audio kit for use with a mobile telephone can conveniently be worn with a motorcycle or other safety helmet. The kit comprises an exciter capsule (1), a microphone (2) and a control unit (3), the control unit comprising a half-duplex speech circuit, an audio amplifier and means for connection with a power supply, means for mounting the capsule (1) on the shell of the helmet, means for mounting the microphone (2) inside or on the helmet adjacent the wearer's mouth and means for connecting the kit with the audio output of a mobile telephone and/or other audio device. <IMAGE> |
