Planar magnet speaker
US10499160B2 · kind B2 · utility
1Cited by
42References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 3, 2017 |
| Grant date | Dec 3, 2019 |
| Priority date | — |
| Expiry date | Oct 3, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R9/047
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A planar magnet speaker with excellent sound reproduction in a low frequency range and capable of providing a plurality of input controls includes a first magnet member, a second magnet member, a membrane including at least one wire formed between the first magnet member and the second magnet member, and a support frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.