Earphone
US11234066B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2020 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Jun 5, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/063
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Disclosed is an earphone including a housing, a speaker unit accommodated in the housing, and a printed circuit board (PCB) accommodated in the housing, disposed below the speaker unit, and configured to provide an electrical signal to the speaker unit. Here, the speaker unit includes a first diaphragm, a first voice coil fixed to the first diaphragm, at least one magnet disposed below the first diaphragm, a frame which accommodates the first diaphragm, the first voice coil, and the magnet, and a substrate which receives and transmits an electrical signal from the PCB to the first voice coil. The substrate is disposed on an upper side of the speaker unit. The earphone further includes a connection pin.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.