Balanced armature receiver having damping compound-locating structure
US12063481B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 16, 2022 |
| Grant date | Aug 13, 2024 |
| Priority date | — |
| Expiry date | Nov 10, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2209/024
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A balanced armature receiver can include a motor disposed in a case. The motor can include an armature having a first portion fixed to and extending from a yoke and a second portion extending through a coil tunnel. The second portion can have a free end-portion movably disposed in a magnet gap. The balanced armature receiver can include a damping compound-locating structure disposed on one or both of the armature and another portion of the receiver proximate the armature. The balanced armature receiver can include damping compound contacting the damping compound-locating structure and located between the armature and another portion of the receiver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.