Wind noise reduction earphones
Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- HARMAN INT IND INC
- Filing Date
- 2023-05-30
- Publication Date
- 2026-06-24
Smart Images

Figure 2026520662000001_ABST
Abstract
Claims
1. These are earphones, A housing that contains a speaker inside, A cavity defined within the housing, The housing is provided with an elongated opening that allows the cavity to communicate with the air surrounding the earphone, A microphone provided in the housing, exposed to or communicating with the cavity, and configured to capture external sound through the cavity and the elongated opening, The earphone comprising the above-mentioned features.
2. The earphone according to claim 1, wherein the housing comprises a main housing and a rear cover, and the elongated opening is a gap or slit defined between the main housing and the rear cover.
3. The earphone according to claim 1, wherein the elongated opening has a length of 10 times or more its width, optionally, the elongated opening has a length of 20 times or more its width, and optionally, the elongated opening has a length of 50 times or more its width.
4. The earphone according to claim 2, wherein the gap or slit has a width of 0.08 to 0.5 mm, 0.1 to 0.3 mm, or 0.15 to 0.25 mm.
5. The earphone according to claim 2, wherein the gap or slit has a length of 8-10 mm, 7-11 mm, 6-12 mm, 9-12 mm, 12-16 mm, 16-20 mm, 20-24 mm, or 24-28 mm.
6. The earphone according to claim 2, wherein the gap or slit extends over the entire circumference of the cavity.
7. The earphone according to any one of claims 1 to 6, wherein the earphone comprises an inner cover disposed within the housing and attached to the housing, the inner cover having a recess, and the cavity being defined between the housing and the recess of the inner cover.
8. The earphone according to any one of claims 7, wherein the recess comprises a bottom wall and a side wall, the bottom wall comprises an opening, and the microphone is exposed to or communicates with the cavity through the opening in the bottom wall.
9. The earphone according to any one of claims 1 to 6, wherein the earphone comprises a body having a front and a back, and the cavity is located in the peripheral area of the body on the back.
10. The aforementioned cavity is approximately 25 mm 3 Volume, 20-30 mm 3 The volume, or 15-35 mm 3 An earphone according to any one of claims 1 to 6, having the volume of the specified volume.
11. The earphone according to any one of claims 1 to 6, wherein the cavity extends along the circumference of the main body at an angle of approximately 90°, 80-100°, or 60-120°.
12. The earphone according to any one of claims 1 to 6, comprising a main body and a stem extending from the main body and connected to the main body at its stem base, wherein the cavity extends around the stem base.
13. The earphone according to any one of claims 1 to 6, wherein the cavity and / or the elongated opening is located on the downwind side of the earphone.
14. The earphone according to any one of claims 1 to 6, wherein the elongated opening is offset from the microphone.
15. The earphone according to any one of claims 1 to 6, wherein the microphone is positioned adjacent to one of the circumferential ends of the cavity.
16. The earphone according to any one of claims 1 to 6, wherein the microphone is an ANC microphone.
17. The earphone according to any one of claims 1 to 6, wherein the earphone is a pair of TWS earbuds.