| 摘要 |
<p>A compact telephone handset, when not in use, is shorter in length than the distance between a user's ear and mouth and has an extendable boom (26) for lengthening the telephone to a length equal to the distance between the user's ear and mouth. The handset has a receiver device and a microphone device with one of the devices being located on the main body of the handset and the other device being located on a slidable boom which is extendable and retractable relative to the main body. <MATH></p> |
