Patent ID: 9609444
Date: 2017-03-28
CPC Classifications: A61N,H04R

Claim:
1. A hearing assistance system, comprising: a hearing apparatus including a housing, sound processor circuitry within the housing, and an internal control device within the housing, operably connected to the sound processor circuitry, and having a control device rotatable member and a first plurality of magnets, each internal control device rotatable member magnet defining a north/south orientation and at least two of the internal control device rotatable member magnets have different north/south orientations; and an external control device, which is not secured to the hearing apparatus, including a second plurality of magnets, each external control device magnet defining a north/south orientation and at least two of the external control device magnets having different north/south orientations; and wherein the number of magnets in the first plurality of magnets is different than the number of magnets in the second plurality of magnets; and wherein the external control device, when oriented in a predetermined manner relative to the internal control device, is magnetically coupled to the internal control device rotatable member such that rotation of the external control device results in corresponding rotation of the internal control device rotatable member.