| 摘要 |
<p>PROBLEM TO BE SOLVED: To improve the convenience of use by forming the ear microphone with an earphone section inserted to an ear hole and a microphone section formed integrally with the earphone section to make a phone call in a state of using both hands freely for safety drive thereby facilitating eating and drinking during phone call simply and lightly. SOLUTION: The ear microphone is made up of an earphone section 1 inserted into an ear hole, and a microphone section 2 integrally formed with the earphone section 1, a speaker unit 3 is integrated with earphone section 1 and the microphone section 2 is provided with a condenser microphone 5 and the length is selected to reach an ear shell. Then a voice input section 14 is formed at an end of the microphone section 2 corresponding to the ear shell 6 so as to pick up a voice delivered via a cartilage of the ear. The speaker unit 3 integrated in the earphone section 1 is connected electrically to a portable telephone set with a cord 4 and operated by a power supply of the portable telephone set. Through the constitution above, the phone call is made while both hands are made free.</p> |
