Techniques for improving glass earcup drop performance
US10924836B1 · kind B1 · utility
1Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 10, 2018 |
| Grant date | Feb 16, 2021 |
| Priority date | — |
| Expiry date | Dec 6, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R5/033
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An earpiece includes a glass earcup having an outer exposed surface, an inner surface, and an edge extending around the perimeter of the glass earcup. The earpiece further includes an upper enclosure to which the glass earcup is laminated, and a protective coating lining the edge of the glass earcup.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.