公开(公告)号：US20180288512A1

公开(公告)日：2018-10-04

申请号：US16000995

申请日：2018-06-06

Applicant: YAMAHA CORPORATION

Inventor： Atsushi HATTORI ,  Yutaka IKUMA

IPC: H04R1/04 ,  H04R3/00 ,  H04R29/00

CPC classification number: H04R1/04 ,  H01R13/2421 ,  H01R13/64 ,  H01R24/84 ,  H01R31/065 ,  H01R2107/00 ,  H01R2201/00 ,  H04R3/005 ,  H04R29/004

Abstract: A connection cable is provided with a plurality of structures, a first connector, and a second connector. The plurality of structures include a concave-shaped structure and a convex-shaped structure. The first connector includes the concave-shaped structure and the convex-shaped structure that are arranged in line symmetry with respect to a predetermined reference line. The second connector includes the concave-shaped structure and the convex-shaped structure that are arranged in line symmetry with respect to a predetermined reference line.