Open earphones

Patent metadata

Field	Value
Publication number	US-12477280-B2
Application number	US-202318332747-A
Country	US
Kind code	B2
Filing date	Jun 11, 2023
Priority date	Oct 28, 2022
Publication date	Nov 18, 2025
Grant date	Nov 18, 2025

Abstract

The present disclosure provides an open earphone comprising: a sound production component including a transducer and a housing accommodating the transducer and an ear hook. In a wearing state, a portion of the ear hook is hung between an auricle and a user's head, and the other portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal. The housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.

First claim

What is claimed is:

1 . An open earphone, comprising:
a sound production component including a transducer and a housing accommodating the transducer; an ear hook, wherein in a wearing state, a first portion of the ear hook is hung between an auricle and a head of a user, and a second portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal, wherein the housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by the transducer out of the housing and to the ear canal, and a ratio of an area of the sound outlet to an area of the inner side surface is between 0.015 and 0.25.

2 . The open earphone of claim 1 , wherein, in the wearing state, the housing is at least partially inserted into an inferior concha, the sound outlet has a cross-sectional area of 2.87 mm 2 to 46.10 mm 2 , and the inner side surface has an area of 160 mm 2 to 240 mm 2 .

3 . The open earphone of claim 2 , wherein a ratio of the cross-sectional area of the sound outlet to a depth of the sound outlet is 0.31-512.2.

4 . The open earphone of claim 3 , wherein the depth of the sound outlet is in a range of 0.3 mm to 3 mm.

5 . The open earphone of claim 2 , wherein a distance from a center of the sound outlet to a lower side surface of the sound production component is in a range of 4.05 mm to 6.05 mm.

6 . The open earphone of claim 2 , wherein a distance from a center of the sound outlet to a rear side surface of the sound production component is in a range of 8.15 mm to 12.25 mm.

7 . The open earphone of claim 2 , wherein the transducer includes a magnetic circuit assembly, the magnetic circuit assembly is used to provide a magnetic field, and a distance from a center of the sound outlet to a bottom surface of the magnetic circuit assembly is in a range of 5.65 mm to 8.35 mm.

8 . The open earphone of claim 7 , wherein a distance from the center of the sound outlet to a long-axis center plane of the magnetic circuit assembly is in a range of 1.45 mm to 2.15 mm.

9 . The open earphone of claim 2 , wherein, in the wearing state, a distance between a center of the sound outlet and an upper vertex of the ear hook is in a range of 22.5 mm to 34.5 mm.

10 . The open earphone of claim 2 , wherein, in the wearing state, a distance between a projection point of a center of the sound outlet on a sagittal plane and a projection of an upper vertex of the ear hook on the sagittal plane is in a range of 18 mm to 30 mm.

11 . The open earphone of claim 2 , wherein a distance between a projection point of a center of the sound outlet in a sagittal plane and a projection point of a center of an ear canal opening of the ear canal on the sagittal plane is in a range of 2.2 mm to 3.8 mm.

12 . The open earphone of claim 11 , wherein a distance between the projection point of the center of the sound outlet on the sagittal plane and a projection point of a midpoint of an upper boundary of the inner side surface on the sagittal plane is in a range of 10.0 mm to 15.2 mm.

13 . The open earphone of claim 12 , wherein a distance between the projection point of the midpoint of the upper boundary of the inner side surface on the sagittal plane and the projection point of the center of the ear canal opening on the sagittal plane is in a range of 12 mm to 18 mm.

14 . The open earphone of claim 11 , wherein a distance between the projection point of the center of the sound outlet on the sagittal plane and a projection point of a ⅓ point of a lower boundary of the inner side surface on the sagittal plane is in a range of 3.5 mm to 5.6 mm.

15 . The open earphone of claim 14 , wherein a distance between the projection point of the ⅓ point of the lower boundary of the inner side surface on the sagittal plane and the projection point of the center of the ear canal opening on the sagittal plane is in a range of 1.7 mm to 2.7 mm.

16 . The open earphone of claim 1 , wherein, in the wearing state, the housing is at least partially located at an antihelix and a distance from a center of the sound outlet to a lower side surface of the sound production component is in a range of 2.3 mm to 3.6 mm.

17 . The open earphone of claim 16 , wherein a distance from the center of the sound outlet to a rear side surface of the sound production component is in a range of 9.5 mm to 15.0 mm.

18 . The open earphone of claim 1 , wherein a distance from a center of the sound outlet to a plane in which the ear hook is located is in a range of 3 mm to 6 mm.

19 . An open earphone comprising:
a sound production component including a transducer and a housing accommodating the transducer; an ear hook, wherein in a wearing state, a first portion of the ear hook is hung between an auricle and a head of a user, and a second portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal, wherein the transducer includes a diaphragm, the housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by a vibration of the diaphragm out of the housing and to the ear canal, and a ratio of an area of the sound outlet to a projection area of the diaphragm in a vibration direction thereof is in a range of 0.016 to 0.261.

20 . An open headphone comprising:
a sound production component including a transducer and a housing accommodating the transducer; an ear hook, wherein in a wearing state, a first portion of the ear hook is hung between an auricle and a head of a user, and a second portion of the ear hook extends towards a side of the auricle away from the head and connects to the sound production component to place the sound production component in a position near an ear canal but not blocking the ear canal, wherein the transducer includes a diaphragm, the housing is provided with a sound outlet on an inner side surface towards the auricle for guiding a sound generated by a vibration of the diaphragm out of the housing and to the ear canal, and a distance between a center of the sound outlet and an upper vertex of the ear hook is in a range of 22.5 mm to 34.5 mm.

Assignees

• Shenzhen Shokz Co Ltd

Inventors

• Zhang Lei
• Tong Peigeng
• Xie Guolin
• Li Yongjian
• Xu Jiang
• Zhao Tao
• Wu Duoduo
• Ji Ao
• Qi Xin

Classifications

• H04R2400/11

  Aspects regarding the frame of loudspeaker transducers · CPC title

• H04R1/323

  for loudspeakers (H04R1/34 and H04R1/40 take precedence) · CPC title

• H04R1/105

  Earpiece supports, e.g. ear hooks (for stereophonic headphones H04R5/0335) · CPC title

• H04R9/06 Primary

  Loudspeakers · CPC title

• H04R1/1016 Primary

  Earpieces of the intra-aural type · CPC title