Hearing assistance system

1. A hearing assistance system, comprising:

a hearing assistance unit including an external hearing assistance unit housing defining an interior and an exterior, the interior including sound processing components and a power storage device and the exterior including an interface that has at least one hearing assistance unit electrical connector;

a removable cover configured to be received by the interface and cover the at least one hearing assistance unit electrical connector; and

a removable module, configured to be received by the interface in place of the removable cover when the removable cover is removed from the hearing assistance unit, including at least one module electrical connector located and configured such that the at least one module electrical connector is electrically coupled to the at least one hearing assistance unit electrical connector when the removable module is received by the interface;

at least one of the hearing assistance unit and the removable module being configured such that the removable module will be mechanically connected to the hearing assistance unit when the removable module is received by the interface and such that the removable module can be mechanically disconnected from, and removed from, the hearing assistance unit after being mechanically connected to the hearing assistance unit; and

at least one of the hearing assistance unit and the removable cover being configured such that the removable cover will be mechanically connected to the hearing assistance unit in such a manner that moisture is substantially prevented from entering the interface when the removable module is received by the interface and such that the removable cover can be mechanically disconnected from, and removed from, the hearing assistance unit after being mechanically connected to the hearing assistance unit.

2. The hearing assistance system of claim 1 , wherein the removable module comprises a control module, including at least one external control, configured to transmit a control signal to the hearing assistance unit through the interface that changes an operating parameter of the hearing assistance unit in response to manipulation of the at least one external control.

3. The hearing assistance system of claim 1 , wherein the interface comprises a recessed interface.

4. The hearing assistance system of claim 1 , wherein a water tight seal is formed between the removable module and the interface when the removable module is received by the interface.

5. The hearing assistance system of claim 1 , wherein the removable module comprises a receiver configured to receive a wireless signal and transmit data from the wireless signal to the hearing assistance unit through the interface.

6. The hearing assistance system of claim 4 , wherein the wireless signal is an electronic audio signal and the receiver is configured to process the electronic audio signal and transmit resulting audio data to the hearing assistance unit through the interface.

7. The hearing assistance system of claim 6 , further comprising a mobile phone configured to transmit the electronic audio signal to the receiver.

8. The hearing assistance system of claim 6 , further comprising a microphone configured to transmit the electronic audio signal to the receiver.

9. The hearing assistance system of claim 6 , further comprising a music player configured to transmit the electronic audio signal to the receiver.

10. The hearing assistance system of claim 6 , further comprising an entertainment device configured to transmit the electronic audio signal to the receiver.

11. The hearing assistance system of claim 6 , wherein the wireless signal is a control signal and the receiver is configured to transmit control data from the control signal to the hearing assistance unit to control an operating parameter of the hearing assistance unit.

12. The hearing assistance system of claim 1 , further comprising:

a cochlear implant adapted to receive signals from the hearing assistance unit.

13. The hearing assistance system of claim 1 , wherein

the at least one hearing assistance unit electrical connector comprises at least one electrical contact; and

at least one module electrical connector comprises at least one electrical contact.

14. The hearing assistance system of claim 1 , wherein the interface and the removable module are configured such that an interference fit is formed therebetween when the removable module is received by the interface.

15. The hearing assistance system of claim 1 , a substantially watertight seal is formed between the removable cover and the interface when the removable cover is received by the interface.

16. The hearing assistance system of claim 15 , wherein

the interface and the removable module are configured such that an interference fit is formed therebetween when the removable module is received by the interface; and

the interface and the removable cover are configured such that an interference fit is formed therebetween when the removable cover is received by the interface.

17. The hearing assistance system of claim 15 , wherein

the removable module comprises a removable receiver module configured to receive a wireless signal and transmit data from the wireless signal to the hearing assistance unit through the interface; and

at least one of the interface and the removable receiver module being configured to mechanically secure the removable receiver module to the interface and form a substantially watertight seal therebetween.

18. The hearing assistance system of claim 17 , wherein the wireless signal is an electronic audio signal and the removable receiver module is configured to process the electronic audio signal and transmit resulting audio data to the hearing assistance unit through the interface.

19. The hearing assistance system of claim 18 , further comprising:

a mobile electronic device configured to transmit the electronic audio signal to the removable receiver module.

20. The hearing assistance system of claim 17 , wherein the wireless signal is a control signal and the removable receiver module is configured to transmit control data from the control signal to the hearing assistance unit to control an operating parameter of the hearing assistance unit.

21. The hearing assistance system of claim 20 , further comprising:

a remote control device comprising user controls that when manipulated cause the remote control device to transmit the control signal.

22. The hearing assistance system of claim 15 , further comprising:

a cochlear implant adapted to receive signals from the hearing assistance unit.

23. The hearing assistance system of claim 1 , wherein

the removable cover does not carry any control instrumentalities.

24. A hearing assistance system, comprising:

a hearing assistance unit including an external hearing assistance unit housing defining an interior and an exterior, the interior including sound processing components and a power storage device and the exterior including an interface that has at least one hearing assistance unit electrical connector;

a removable receiver configured to be received by the interface and to receive a wireless control signal and transmit control data from the wireless control signal to the hearing assistance unit through the interface to control an operating parameter of the hearing assistance unit, the removable receiver including at least one receiver electrical connector located and configured such that the at least one receiver electrical connector is electrically coupled to the at least one hearing assistance unit electrical connector when the removable receiver is received by the interface;

at least one of the interface and the removable receiver being configured to mechanically secure the removable receiver to the interface; and

a remote control device including user controls that when manipulated cause the remote control device to transmit the wireless control signal.

25. The hearing assistance system of claim 24 , wherein

the hearing assistance unit includes hearing assistance unit software stored on a machine-readable medium; and

the remote control device stores a backup of the hearing assistance unit software.

26. The hearing assistance system of claim 24 , wherein the remote control device stores training material.