Multi-frequency system and method for enhancing auditory stimulation and the like
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United States of America Patent
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Aug 18, 1981
Grant Date -
N/A
app pub date -
Sep 24, 1979
filing date -
Sep 24, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A plurality of carrier signals are modulated by pulses corresponding to signals in audio frequency bands. The carrier signals are transmitted to a receiver having independent channels for receiving and demodulating the transmitted signals. The detected pulses are applied to electrodes on a prosthetic device implanted in the cochlea with the electrodes selectively positioned in the cochlea to stimulate regions having a desired frequency response. The pulses have a frequency which corresponds to the frequency of signals in an audio band and a pulse width which corresponds to the amplitude of signals in the audio band.
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