Devices for enhancing transmissions of stimuli in auditory prostheses
AssigneeCochlear Limited
InventorsJohan Gustafsson, Tommy Bergs
Life of this patent
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Abstract
An actuator provides vibrational stimulation to a recipient of a bone conduction device. To ensure proper operation of the actuator, a known signal is delivered to a coil associated therewith. An output signal from the coil is analyzed for distortion, the presence of which indicates that the actuator is out of balance. If distortion is present, adjustments are made to the position of certain embodiments within the actuator to obtain a properly balanced device. Methods also include testing for distortion, after manufacture of the device.
Claims30
A method comprising:
- applying an input signal to a transducer within a housing, wherein the transducer comprises an adjustable assembly within the housing affecting operation of the transducer;
- analyzing a harmonic distortion of an output signal generated in response to the input signal;
- and
- positioning the adjustable assembly based at least in part on the analysis, thereby modifying ongoing operation of the transducer.
A non-transitory computer storage medium encoding computer executable instructions that, when executed by at least one processor, perform a method comprising:
- applying an input signal to an electromagnetic actuator, wherein the electromagnetic actuator comprises an adjustable assembly affecting operation of the electromagnetic actuator;
- analyzing a harmonic distortion of an output signal generated in response to the input signal;
- and
- repositioning the adjustable assembly based at least in part on the analysis, thereby modifying ongoing operation of the electromagnetic actuator.
A method comprising:
- applying a test signal to an input of a transducer;
- detecting a harmonic distortion level at an output of the transducer;
- comparing the harmonic distortion level to a reference;
- and
- making a recommendation based at least in part on the comparison.
A method comprising:
- determining a harmonic distortion of an output signal from a coil of an electromagnetic actuator within a housing and having an adjustable assembly;
- and
- based upon the harmonic distortion, repositioning the adjustable assembly within the housing to minimize the harmonic distortion, thereby modifying ongoing operation of the electromagnetic actuator.
Dependencies are inferred from the claim text.