Patent 7873420 was granted and assigned to Med-El on January, 2011 by the United States Patent and Trademark Office.
An implant system includes an external portion adapted for placement external to a user, and an implantable portion adapted for placement internal the user. One of the internal portion and the external portion includes a first password for transmitting to the other one of the internal portion and the external portion. The other one of the internal portion and the external portion includes a second password. A match between the first password and the second password causes a first mode of operation.