Method for operating a wireless audio signal receiver unit and system for providing hearing assistance to a user
US7940945B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2006 |
| Grant date | May 10, 2011 |
| Priority date | — |
| Expiry date | Sep 23, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R25/554
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
There is provided a method for operating a receiver unit (12) for receiving audio signals from a remote transmission unit (10) via a wireless audio link (56), comprising: connecting an audio signal output (41) of the receiver unit (12) to an audio signal input (42) of a hearing instrument (14A, 14B) comprising means (52) located at a user's ear or in the user's ear canal for stimulating the user's hearing according to the audio signals from the receiver unit (12) and a microphone arrangement (44); measuring by means (34, 38) included in the receiver unit (12) the impedance of the audio signal input (42) of the hearing instrument (14A, 14B); and adjusting the impedance of the audio signal output (41) of the receiver unit (12) according to the measured impedance of the audio signal input (42) of the hearing instrument (14A, 14B).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.