Hearing aid configuration detection

1. A hearing aid comprising:

a first module comprising first circuitry;

a second module comprising second circuitry having a power supply; and

an interconnecting member configured for interconnecting the first circuitry with the second circuitry, wherein the interconnecting member comprises an elongate cable, at least a part of the elongate cable configured for placement around a part of an ear;

wherein the second circuitry comprises

a memory for storing data relating to a configuration of the second module including the second circuitry, and

data communication circuitry configured for providing the data relating to the configuration for transmission to the first circuitry; and

wherein the elongate cable is configured to both (1) transmit a hearing loss compensated signal from the first circuitry to the second circuitry, and (2) transmit a signal for charging the power supply in the second circuitry.

2. The hearing aid according to claim 1 , wherein the first circuitry comprises a radio for wireless communication.

3. The hearing aid according to claim 2 , wherein the radio is connected to a conductor accommodated in the interconnecting member, the conductor being at least a part of an antenna.

4. The hearing aid according to claim 1 , wherein the signal for charging the power supply comprises a frequency signal.

5. The hearing aid according to claim 1 , wherein the power supply is powered utilizing a conductor accommodated in the interconnecting member, the conductor being at least a part of an antenna.

6. The hearing aid according to claim 1 , wherein the data communication circuitry is configured for signal transmission via a conductor in the elongate cable.

7. The hearing aid according to claim 1 , wherein the second circuitry includes a receiver, and the receiver is connected to the first circuitry through separate signal conductors in the elongate cable.

8. The hearing aid according to claim 1 , wherein the data stored in the memory includes an identifier of one or more components of the second circuitry.

9. The hearing aid according to claim 1 , wherein the first module comprises a behind-the-ear housing, and the second module comprises an in-the-ear housing.

10. A fitting instrument for a hearing aid according to claim 1 , configured for reception of the data stored in the memory.

11. The fitting instrument according to claim 10 , configured for fitting the hearing aid based on the data stored in the memory.

12. The fitting instrument according to claim 11 , configured for displaying a message in response to the data stored in the memory.

13. A method of configuring a hearing aid, the hearing aid comprising:

a first module comprising first circuitry;

a second module comprising second circuitry; and

an interconnecting member configured for interconnecting the first circuitry with the second circuitry, the interconnecting member accommodating a conductor that is at least a part of an antenna; wherein

the second circuitry comprises a memory for storing data relating to a configuration of the second module including the second circuitry, and data communication circuitry configured for transmission of the data relating to the configuration from the memory to the first circuitry;

wherein the method comprises:

obtaining the data stored in the memory of the second circuitry;

transmitting the data relating to the configuration of the second module utilizing the interconnecting member; and

receiving the data by the first circuitry;

wherein the interconnecting member comprises a cable configured to both (1) transmit an electrical signal from the first circuitry to the second circuitry, and (2) transmit a microphone signal from the second circuitry to the first circuitry.

14. The hearing aid according to claim 1 , wherein the second module is a part of an earpiece that includes a first microphone and a speaker.

15. The hearing aid according to claim 14 , wherein the earpiece includes a second microphone.

16. The hearing aid according to claim 1 , further comprising an antenna between the first circuitry and the second circuitry.

17. The hearing aid according to claim 1 , further comprising a connector at one end of the interconnecting member, the connector configured to mate with another connector at the first module.

18. The hearing aid according to claim 1 , wherein the power supply comprises a rectifier.

19. The hearing aid according to claim 1 , wherein the power supply comprises a capacitor.

20. A hearing aid comprising:

a first module comprising first circuitry;

an earpiece; and

an interconnecting member configured for connecting the earpiece to the first module via a connector at one end of the interconnecting member;

wherein the connector comprises second circuitry;

wherein the second circuitry comprises a memory for storing data relating to a configuration of the earpiece, and wherein the second circuitry is configured to provide the data relating to the configuration of the earpiece for the first circuitry; and

wherein the interconnecting member is configured to transmit a hearing loss compensated signal from the first circuitry to the earpiece.

21. The hearing aid according to claim 20 , wherein the connector is configured to mate with another connector at the first module.

22. The hearing aid according to claim 20 , wherein the first module comprises a BTE housing.

23. A The hearing aid according to claim 1 ,

wherein the interconnecting member is configured to transmit a radio signal.

24. The hearing aid according to claim 20 , wherein the earpiece comprises a receiver.

25. The hearing aid according to claim 20 , wherein interconnecting member is also configured to transmit a frequency signal.

26. The hearing aid according to claim 20 , wherein the interconnecting member is configured to operate as an antenna.

27. The hearing aid according to claim 1 , wherein the elongate cable is configured to operate as an antenna.

28. The hearing aid according to claim 20 , wherein the frequency signal is for charging a power supply in the earpiece.