Device with combined antenna and transducer

A system comprising:

• a first hearing prosthesis device, wherein the first hearing prosthesis device includes an interface for a second hearing prosthesis device, wherein the second hearing prosthesis device includes a transducer system, wherein the interface includes first and second contacts configured to engage with complimentary contacts of the second hearing prosthesis device, and wherein the first contact is further configured to be coupled to first, second and third conductive paths of the second hearing prosthesis device;
• a processor coupled to the first hearing prosthesis device and configured to generate different control signals that are applied to the first and second contacts to control a plurality of different functions that utilize the second hearing prosthesis device, wherein the control signals include first, second, and third control signals for application to the first, second, and third conductive paths, respectively, to implement first, second, and third functions, respectively, wherein the plurality of functions includes the first function of operating a transducer of the transducer system, the second function of operating a magnetic induction (MI) antenna of the transducer system, and the third function of operating an electromagnetic (EM) antenna of the transducer system;
• means for combining the different control signals into a single control signal for application to the first contact;
• and
• means for splitting different data signals received at the first contact from the second hearing prosthesis device, wherein the different data signals are associated with different functions, and wherein the processor is configured to process the different data signals in accordance with the different functions.

A system comprising:

• a first medical device that includes a processor and a first interface, wherein the first interface includes first and second contacts;
• and
• a second medical device that includes a transducer, a coil coupled to the transducer, and a second interface coupled to the coil, wherein the second interface includes third and fourth contacts, wherein the first contact is configured to be removably coupled to the third contact and the second contact is configured to be removably coupled to the fourth contact, and wherein first, second, and third conductive paths are coupled to the third contact,
• wherein the processor is configured to:
• generate a first control signal for application to the first conductive path to implement a first functionality of operating the transducer,
• generate a second control signal for application to the second conductive path to implement a second functionality of operating a magnetic induction (MI) antenna, wherein the MI antenna includes, at least in part, the coil, and
• generate a third control signal for application to the third conductive path to implement a third functionality of operating an electromagnetic (EM) antenna, wherein operating the EM antenna includes, at least in part, using a conductive body of the transducer as an EM field radiating component.