Planardynamic transducer
US9635465B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 29, 2015 |
| Grant date | Apr 25, 2017 |
| Priority date | — |
| Expiry date | Oct 29, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A planar dynamic sound transducer comprising a planar diaphragm having at least one electrical conductor, and a planar magnet arrangement having a first portion, a second portion, and an edge region. The second portion surrounds the first portion and extends between the first portion and the edge region of the magnet arrangement. The first portion contains a first plurality of openings so that the first portion has a first degree of opening. The second portion contains a second plurality of openings so that the second portion has a second degree of opening. The first degree of opening is greater than the second degree of opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.