In the second embodiment, a circuit for transmitting {TAIL ~ the operation signals} between the operating unit 32 and {HEAD ~ the mobile phone} 10 may be constructed such that the operation signals are transmitted via the shaft 36 
In the second embodiment , a circuit for transmitting { TAIL ~ the operation signals } between the operating unit 32 and { HEAD ~ the mobile phone } 10 may be constructed such that the operation signals are transmitted via the shaft 36
OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH