Earphone
US12267640B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2022 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Jul 8, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2201/109
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earphone includes a loudspeaker, a rear housing and a front housing. The loudspeaker is disposed in the rear housing, a sound output hole is disposed at a first end of the front housing, a second end of the front housing is rotatably connected to the rear housing, and the front housing is rotatable relative to the rear housing and between a first position and a second position. In a case that the front housing is rotated to the first position relative to the rear housing, the sound output hole faces a first direction, and the loudspeaker is configured to output a first channel audio signal. In a case that the front housing is rotated to the second position relative to the rear housing, the sound output hole faces a second direction, and the loudspeaker is configured to output a second channel audio signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.