Open earphones
US11902734B1 · kind B1 · utility
3Cited by
0References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2023 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Aug 7, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/09
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides an open earphone comprising: a sound producer including a transducer and a housing accommodating the transducer; and an ear hook, the ear hook including a first portion and a second portion; wherein the ear hook and the sound producer form a first projection on a first plane, the first projection including an outer contour, a first end contour, an inner contour and a second end contour, and the outer contour, the first end contour, the second end contour and a tangent segment connecting the first end contour and the second end contour jointly define a first closed curve.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.