Patent ID: 11968489
Assignee: SHENZHEN SHOKZ CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 4:
5. The earphone of claim 1, wherein:
in a wearing state, the ear hook and the sound production component form a second projection on a sagittal plane of the user, the second projection comprising an outer contour, a first end contour, an inner contour, and a second end contour, and the outer contour of the second projection, the first end contour of the second projection, the second end contour of the second projection, and a tangent segment connecting the first end contour of the second projection and the second end contour of the second projection define a second closed curve; and
a ratio of the projection area of the sound production component on the first plane to a second area of the second closed curve is between 0.2 and 0.35.