Remote control system for a hearing aid

1. A plug-in device for a mobile telephone, comprising:

an electric plug for connecting to the mobile telephone, for providing an electric path for transferring an audio signal between the mobile telephone and the plug-in device;

a wireless interface for wirelessly communication with at least one hearing aid, whereby said audio signal is transferred from the plug-in device to said at least one hearing aid; and

a memory containing application software for execution by the mobile telephone when the plug-in device is connected to the mobile telephone.

2. Plug-in device according to claim 1 , wherein the electric plug provides a power supply for the plug-in device, whereby the plug-in device is powered by the power source of the mobile telephone when connected.

3. Plug-in device according to claim 1 , wherein the electric plug provides an electric path for exchanging data signals between the plug-in device and the mobile telephone.

4. Plug-in device according to claim 1 , wherein the electric plug provides an electric path for exchanging audio signals between the plug-in device and the mobile telephone.

5. Plug-in device according to claim 1 , wherein the application software when executed by the mobile telephone provides a streaming mode of operation in which the audio signal of an incoming telephone call is transferred via the plug-in device to the hearing aid.

6. Plug-in device according to claim 5 , wherein audio picked up by the microphone of a hearing aid is transferred via the plug-in device to the mobile telephone.

7. A remote control system for hearing aids, comprising:

a mobile telephone having a processor, a keypad and a connector socket;

a plug-in device for the mobile telephone,

said plug-in device comprising:

an electric plug for connecting to the mobile telephone, for providing an electric path for transferring an audio signal between the mobile telephone and the plug-in device;

a wireless interface for wirelessly communication with at least one hearing aid, whereby said audio signal is transferred from the plug-in device to said at least one hearing aid; and

a memory containing application software for execution by the mobile telephone when the plug-in device is connected to the mobile telephone.

8. Remote control system according to claim 7 , wherein the application software, contained in the memory upon execution in the mobile phone, provides a remote control menu on a mobile telephone and enables remote control input by keys of the telephone keypad.

9. Remote control system according to claim 8 wherein the mobile telephone is enabled to perform remote control commands for volume adjustment in the hearing aid.

10. Remote control system according to claim 8 wherein the mobile telephone is enabled to perform remote control commands for program selection in the hearing aid.

11. Remote control system according to claim 7 , wherein the application software, contained in the memory upon execution in the mobile phone, provides a streaming mode of operation of the plug-in device, the hearing aid and the mobile telephone, and in this mode, the audio signal of incoming telephone calls is transferred from the phone via the plug-in device to the hearing aid.

12. A computer program product carrying a computer program embodied in a memory in the plug-in device according to claim 7 and, upon execution in the mobile phone, is adapted to offer a remote control menu on a mobile telephone and to enable remote control input by keys of the telephone keypad.

13. A computer program product according to claim 12 wherein the mobile telephone is enabled to perform remote control commands for volume adjustment in the hearing aid.

14. A computer program product according to claim 12 wherein the mobile telephone is enabled to perform remote control commands for program selection in the hearing aid.

15. A computer program product carrying a computer program embodied in a memory in the plug-in device according to claim 1 and, upon execution in the mobile phone, performing a streaming mode of operation of the plug-in device, the hearing aid and the mobile telephone, and in this mode, the audio signal of incoming telephone calls is transferred from the phone via the plug-in device to the hearing aid.