| 摘要 |
PROBLEM TO BE SOLVED: To provide an earphone antenna which reduces influences upon a human body, ensures stability of reception and freely exchanges an earphone unit. SOLUTION: An earphone antenna 10 having earphone cables 41, 42 functioning as antenna wires, includes: a coaxial cable 20 including a coaxial line having a center conductor passing a high frequency signal and covered with an insulator and further covered with a shield line, an insulative coated signal wire for an audio signal, and an insulative coated ground wire, the coaxial cable 20 at one end being connected to a wireless equipment body 120 via a pin jack connector 110; a connection block 30 having a circuit device for separating an audio signal and a high frequency signal and provided at another end of the coaxial cable 20; and an earphone unit 40 having an earphone 40L, 40R to which an audio signal is supplied via the earphone cables 41, 42 connected to the connection block 30; wherein a pin jack connector 130 to which the earphone cable 41, 42 is removably connected is provided in the connection block 30, and the earphone unit 40 is removable. COPYRIGHT: (C)2006,JPO&NCIPI
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