PMD speaker mounting assembly and thermal control system for multiple drivers
US11956589B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | May 19, 2022 |
| Grant date | Apr 9, 2024 |
| Priority date | — |
| Expiry date | Jan 3, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/06
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A speaker assembly for good thermal management in loudspeakers such as planar magnetic drivers (PMDs). The assembly comprises a front panel with one or more sound openings, one or more PMDs each associated with a respective sound opening, one or more rear thermal plates each associated with a respective PMD structure plate, and a thermal spreader plate. The PMD structure plate is mounted to the front panel, the rear thermal plate is mounted to the associated PMD structure plate, and the thermal spreader plate is mounted to the one or more rear thermal plates, thereby forming a layered heatsink assembly. In a further development, the assembly has multiple PMDs and a circuit configured to modulate power handling and frequency response between the multiple PMDs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.