To provide a composite plug of long transmission distance.
A composite plug includes a first plug, a base plug to be connected with the first plug, and a cable. The first plug has a first insulating body, a first plug connector being bonded to the first end of the first insulating body, and a first socket connector being bonded to the second end on the reverse side of the first end of the first insulating body. The base plug has a base insulating body in which a housing space for housing the first plug is formed, and a base plug connector being bonded to the base insulating body. The first plug connector, the first socket connector and the base plug connector are electrically connected with the cable by means of a plurality of wires, respectively, to form a parallel circuit.
WANG XUE-CHAO
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro