Microphone assembly comprising magnetically activatable element for signal switching and field indication
US7809151B2 · kind B2 · utility
79Cited by
14References
14Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Jun 30, 2005 |
| Grant date | Oct 5, 2010 |
| Priority date | — |
| Expiry date | Nov 23, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/558
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A microphone assembly comprising a transducer for receiving sound and outputting a corresponding control signal. The assembly also comprises means for detecting a magnetic field and outputting a signal relating to the field. A hearing aid comprising the assembly has a processor receiving the control signal and selecting between the microphone signal and a signal relating to the magnetic field, such as a signal received from a telephone hand set or a telecoil.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.