A decoding system which is arranged to perform a plural-stage process in determining which of the driver lines to stimulate in response to each electrode address value supplied to the decoder. This enables the network configuration of the impedances to be machine generated, and also enables the decoder...http://www.google.com/patents/US7173610?utm_source=gb-gplus-sharePatent US7173610 - Decoder system capable of performing a plural-stage process
