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