Speaker
US12284505B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2022 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Jun 28, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a speaker, comprising a housing, a carrying board, a magnetic component, a magnetic conductive component, a voice coil, and a diaphragm component. The housing comprises an accommodating space and a rear cavity space communicated with the accommodating space. An area in the accommodating space communicating with the rear cavity space is an airflow area. The carrying board is disposed in the accommodating space. The magnetic component is disposed on the carrying board. The magnetic conductive component is disposed at the magnetic component. The voice coil is disposed in the magnetic component and the magnetic conductive component. The diaphragm component is disposed in the accommodating space, and is connected to the voice coil. Wherein, the magnetic component disposed in the airflow area comprises a first demagnetization configuration or/and the magnetic conductive component disposed in the airflow area comprises a second demagnetization component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.