the fulcrum shaft is formed to be tubular, and
the connection line is partially inserted through the fulcrum shaft.
(18)
The audio output apparatus according to any one of (1) to (17), in which
a length of the fulcrum shaft along an axial direction is variable.
REFERENCE SIGNS LIST
- 100 Ear
- 105 Antihelix
- 107 Inferior crus of antihelix
- 113 Ear canal
- 114 Cavity of concha
- 115 Incisura intertragica
- 1 Audio output apparatus
- 2 Base body
- 2a Facing surface
- 2b Outer circumferential surface
- 3 Rotating body
- 3a Relative surface
- 3b Circumferential surface
- 4 Enclosure
- 4a Placement space
- 5 Earpiece
- 10b Sound input hole
- 12 Outer circumferential portion
- 13 Tip portion
- 21 Fulcrum shaft
- 22 Speaker