Patent ID: 8660285
Filing Date: 2014-02-25
Classification: H04R

Abstract:
1. An adapter for use with a Behind-The-Ear (BTE) processor of a cochlear implant (CI) system that allows both a T-Mic signal and an auxiliary input signal source to be processed by the BTE processor simultaneously, the adapter comprising: an adapter housing having an auxiliary input signal source port; means for connecting the adapter housing to the BTE processor; means for electrically and mechanically connecting a T-Mic assembly to the adapter housing, the T-Mic assembly configured to output the T-Mic signal; and a mixing circuit adapted to mix the T-Mic signal with an auxiliary input signal applied to the auxiliary input signal port, the mixing circuit deriving an operating power from the BTE processor and including limiting means configured to limit an amount of current that flows from the BTE processor through the auxiliary input signal source port to automatically limit a magnitude of a combined signal resulting from the mixing of the T-Mic signal with the auxiliary input signal to a level that is no greater than the T-Mic signal would be if there were no auxiliary input signal applied to the auxiliary input signal source port; and an amplifier that receives and amplifies the combined signal for processing by the BTE processor.