| 摘要 |
PROBLEM TO BE SOLVED: To provide a hands-free system that users a cable with a novel configuration suitable for charging a mobile phone. SOLUTION: A battery 21 of a mobile phone 20 is charged via a cable 18 connected to the mobile phone 20, the cable 18 includes a charging (+) wire 18a used for charging the battery 21 of the mobile phone 20, a charging ground wire 18c, an incoming serial signal wire 18b used to send a serial signal to the mobile phone 20, and an outgoing serial signal wire 18d used to receive the serial signal from the mobile phone 20, a shield wire is employed respectively for the incoming serial signal wire 18b and the outgoing serial signal wire 18d, the charging (+) wire 18a is provided to an outer circumference of an insulation sheath of the incoming serial signal wire 18b in a mesh and the charging ground wire 18c is provided to an outer circumference of an insulation sheath of the outgoing serial wire 18d in a mesh.
|
