Removable cartridge for insertion into portable communications device
US10341752B2 · kind B2 · utility
1Cited by
0References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2017 |
| Grant date | Jul 2, 2019 |
| Priority date | — |
| Expiry date | Sep 17, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2499/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A removable cartridge for a portable communication device. The removable cartridge includes frame having a first surface, and an opposite second surface. The second surface is non-planar and is shaped to conform to a shape of a speaker cone in the portable communications device. The removable cartridge also includes a membrane coupled to the first surface of the frame. A portion of the membrane is suspended over an open gap defined by the frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.