Sound producing devices
US12063467B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 21, 2022 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Mar 2, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2460/13
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a sound producing device, at least comprising a housing assembly. The housing assembly comprises a housing and a sealing member. The housing is provided with a plug-in hole, and the plug-in hole runs through a side wall of one side of the housing; the sealing member is used for plugging and sealing the plug-in hole; the plug-in hole comprises at least one hole wall segment provided along a plugging direction of the sealing member; the cross-sectional area of a reference cross section of at least part of the at least one hole wall segment perpendicular to the plugging direction of the sealing member increases gradually along the plugging direction; the sealing member is in plugging fit with the at least one hole wall segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.