| 摘要 |
<p>PURPOSE:To facilitate the conversation between a rider and his fellow rider of a motor bicycle, by connecting the microphones attached to two helmets to a speaker fixed to the motor bicycle via code. CONSTITUTION:The voice of a rider wearing a helmet 41 is converted into a current through a microphone 29 attached to the helmet 41 and then delivered through a speaker 39 via an amplifier 27 which is fixed to a motor bicycle 11 via a code 47. The voice of a fellow rider wearing a helmet 43 is also delivered through the speaker 39 in the same way via a microphone 31, the code 47 and the amplifier 27. As a result, the riders never miss the alarm sound of an ambulance car, etc. to ensure a conversation in good condition.</p> |
