Transducer surround having a barometric vent
US12389156B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 11, 2023 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | May 14, 2044 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A transducer assembly comprising: a frame positioned within an interior chamber defined by an enclosure comprising a port to an ambient environment; a surround comprising a fixed portion sealed to the frame and a movable portion dividing the interior chamber into a front volume chamber coupling a first side of the surround to the port and a back volume chamber coupled to a second side of the surround; and a barometric vent coupled to the fixed portion to vent a pressure between the front volume chamber and the back volume chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.