Apparatus for communication coupling with a hearing aid
US7317807B1 · kind B1 · utility
2Cited by
4References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 11, 2003 |
| Grant date | Jan 8, 2008 |
| Priority date | — |
| Expiry date | Jan 8, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/554
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An improved communication coupling device having a coupler coil with about 125 turns of wire about a core having a hole for use with a hearing aid having a hearing aid coil to accommodate individuals with various degrees of hearing loss to use a sound generation device such as a telephone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.