Hybrid transducer
US10516935B2 · kind B2 · utility
2Cited by
45References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2016 |
| Grant date | Dec 24, 2019 |
| Priority date | — |
| Expiry date | Jul 12, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/041
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A first acoustic transducer has an armature, and the armature moves within a magnetic field. The first transducer also comprises a first coil. A second acoustic transducer has a first outer circumferential edge and an inner circumferential edge. A housing includes at least portions of the first transducer and the second transducer. The first transducer is disposed at least partially within the cavity and within the inner circumferential edge of the second transducer. The first coil is fixed in space relative to the housing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.