Patent 7101717 was granted and assigned to Nanogen on September, 2006 by the United States Patent and Trademark Office.
An addressable biologic electrode array includes an array of electrodes disposed on a support, the array of electrodes being selectively addressed and driven using a memory associated with each electrode of the array, the driven electrodes being driven at one of a plurality of stimulus levels by a source of electrical current or voltage external to the array.