EARPHONE SET WITH POWER SUPPLY UNIT DESIGNED FOR WIRELESS RECEIVER AND POWER SUPPLY UNIT FOR EAR PHONE SET

摘要

PURPOSE: An earphone set with a power supply unit designed for a wireless receiver and the power supply unit for the ear phone set are provided to enable a reverse power feeding from the earphone set to an external device by using a power supply member implemented in the earphone set. CONSTITUTION: An earphone set having power supply capability includes at least one speaker unit, a power casing, a signal receiving electrode, and a power electrode. The speaker unit(41,42) includes a mounted speaker. The power casing(47) includes mounted batteries. The signal receiving electrode(45) is implemented on a periphery of the power casing to be coupled with an external device. The signal receiving electrode receives a sound signal and delivers the signal to the speaker unit. The power electrode(46) is implemented on a periphery of the power casing to be coupled with an external device and delivers the power from the batteries to the external device.