A process and apparatus for synchronizing the block counter of an RDS radio data receiver is described. According to the process, the bits stored in a 26-bit shift register, are cycled at least n times in said register, n being the number of allowable offset words, and the shift register content is X-OR...http://www.google.com/patents/US6195783?utm_source=gb-gplus-sharePatent US6195783 - Process and apparatus for synchronizing the block counter in an RDS radio data receiver
