Loudspeaker enclosure with damping material laminated within internal shearing brace
US7270215B2 · kind B2 · utility
2Cited by
39References
33Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 15, 2005 |
| Grant date | Sep 18, 2007 |
| Priority date | — |
| Expiry date | Apr 15, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/2888
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A loudspeaker cabinet with a laminated internal brace which has a first rigid layer coupled to a first exterior panel of the cabinet, a second rigid layer coupled to an a second exterior panel of the cabinet, and a damping layer affixed between the rigid layers where they overlap. Vibration, flexure, and expansion/contraction of the cabinet are damped by shearing forces applied to the damping layer as the rigid layers move in opposite, parallel directions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.