发明名称 PORTABLE TELEPHONE DEVICE
摘要 PROBLEM TO BE SOLVED: To provide a portable telephone device equipped with an earphone which can easily hear the voice of a partner even when a noise in the circumference is high. SOLUTION: A movable earphone part 5 which is inserted into the ear hole of a user is provided at the enclosure of the portable telephone 1. The earphone part 5 is constituted so as to protrude to the front of the enclosure when used. Thereby, the earphone part 5 is fitted to the ear hole of the user. By restraining the noise in the circumference from creeping, the voice of the partner can be heard clearly. The earphone part 5 is inserted into the enclosure when not used, and the portable telephone device is conveniently carried.
申请公布号 JP2002118632(A) 申请公布日期 2002.04.19
申请号 JP20000306963 申请日期 2000.10.06
申请人 MATSUSHITA ELECTRIC IND CO LTD 发明人 ABE HIROICHI
分类号 H04R1/10;H04M1/02;H04M1/03;H04M1/05;H04M1/62;H04M1/725;H04W88/02;(IPC1-7):H04M1/02;H04Q7/32 主分类号 H04R1/10
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