Patent ID: 11924614
Assignee: COCHLEAR LIMITED
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 18:
19. A method, comprising:
applying a signal to an actuator of a hearing prosthesis to cause actuation of the actuator;
measuring, over a duration of time, at least one phenomenon associated with the actuator while applying the signal to the actuator;
analyzing measured values obtained from the action of measuring to identify an operational related feature of the actuator; and
adjusting a feature of the hearing prosthesis so that the operational related feature changes with future operation of the actuator, wherein
at least one of:
(i) adjusting the feature of the hearing prosthesis is executed so as to avoid feedback of the hearing prosthesis at a resonance frequency of the hearing prosthesis;
(ii) measuring comprises:
obtaining a signal from opposite sides of the actuator; and
obtaining a difference of the signals from opposite sides of the actuator in measuring a voltage drop across the actuator; or

(iii) the hearing prosthesis includes an electrical circuit that includes the actuator and a resistor;
the action of applying the signal to the actuator applies a voltage to the actuator at a plurality of frequencies to cause actuation of the actuator; and
the action of measuring includes measuring at least one of a voltage across the actuator or a current through the actuator for respective applied voltages at the plurality of frequencies.