H - Electricity – 04 – R
Patent
H - Electricity
04
R
H04R 25/00 (2006.01)
Patent
CA 2537165
An apparatus and method for controlling one or a plurality of adjustable operational parameters of a hearing aid by the movement of an external magnetic actuator into and out of proximity with the hearing aid. The external actuator is handheld and comprises a magnetic source such as a permanent magnet. The hearing aid has a microphone for generating signals, hearing aid circuitry for processing the signals, an output transducer for transforming the processed signals to a user compatible form, and a magnetic switch, such as a reed switch, connected to the hearing aid circuitry. In one embodiment hearing aid circuitry has a plurality of adjustable operational parameters and includes control processing circuitry for switching between and controlling the adjustable operational parameters. The magnetic source is moved into and out of proximity with the hearing aid a selected number of times activating or switching "on" the magnetic switch each time. The control processing circuitry is configured to switch between the adjustable operational parameters on sequential activations of the magnetic switch for selection of an operational parameter to adjust. The control processing circuitry is further configured to adjust the selected adjustable operational parameter after the activation of the magnetic switch is maintained a predetermined amount of times and to stop the adjustment when the magnetic switch is deactivated.
Argosy Electronics Inc.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Phonak Ag
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