High transmission loss cushion
US8467539B2 · kind B2 · utility
8Cited by
7References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2011 |
| Grant date | Jun 18, 2013 |
| Priority date | — |
| Expiry date | Oct 12, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R1/1083
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A headset including an earcup having a front opening adapted to be adjacent to the ear of a user, the earcup extending in a radial direction and an axial direction and defining an earcup volume; and a bellows cushion extending around the periphery of the front opening of the earcup and sized to engage the ear of the user, the bellows cushion comprising a plurality of folded segments located at an outer radial portion of the bellows cushion, and configured to be substantially compliant along an axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.