Patent ID: 7027874

Claim:
A body implant assembly comprising: an electrode array having multiple adjacent electrodes directed towards respective stimulation sites; an antenna; a full custom mixed-signal chip including a transceiver circuit coupled to the antenna, an AC to DC transformation circuit coupled to the transceiver circuit and powering the full custom mixed-signal chip from energy contained in a control signal received by the transceiver circuit, a controller connected to the transceiver circuit and processing operation data contained in the control signal received by the transceiver circuit, and a stimuli generator circuit connected to the controller and generating stimulation signals in accordance with the operation data; an electrode selection circuit connected to the stimuli generator circuit and having selectable outputs for transmission of the stimulation signals to selected ones of the electrodes in accordance with the operation data; and a substrate support having a first side receiving the full custom mixed-signal chip, the antenna and the electrode selection circuit, and a second, opposite side receiving the electrode array, the first side having contacts lying around the full custom mixed-signal chip and connected to the outputs of the electrode selection circuit respectively, the second side having an array of adjacent contacts aligned with and connected to the electrodes respectively, the contacts on the first and second sides being interconnected respectively together by an interconnection circuit across the substrate support.