US Patent 5,820,588
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
A method for passing information between the auditory cortex of a patient and a speech processor or other information processing device or stimulating device. The method utilizes a wireless neural prosthetic device with a plurality of electrical contacts and involves arranging the prosthetic device in the auditory cortex of a patient. The method further involves arranging each of the plurality of electrical contacts such that they may independently output electrical discharges in accordance with the processed electrical signals. The plurality of electrical contacts may be arranged to approximately tonotopically match the auditory cortex.
Howard III, Matthew A. Method for passing information between a patient's auditory cortex and a speech processor. US Patent 5,820,588 filed January 29, 1996 and issued October 13, 1998. https://ir.uiowa.edu/patents/196