Battery with electromagnetic interference shielding
US11832428B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 19, 2021 |
| Grant date | Nov 28, 2023 |
| Priority date | — |
| Expiry date | Feb 7, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1016
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wearable audio device sized to fit within an ear of an user comprises an outer housing; a circuit board positioned within the outer housing; a battery having an anode and a cathode, the battery being connected to the circuit board; a speaker adjacent the battery; and an electromagnetic interference (“EMI”) shield tab coupled to the anode. The EMI shield tab may be configured to shield the speaker from EMI generated by the circuit board and to provide an electrical interconnection to the anode. The EMI shield tab may be comprised of a high magnetic flux permeable metal material
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.