Data can be accurately transmitted between two subsystems even if the clock skew between the two subsystems is larger than one clock cycle by the method of the invention. In one embodiment data is loaded into N state devices in the sending subsystem while the receiver recovers data from the sending state...http://www.google.com/patents/US4979190?utm_source=gb-gplus-sharePatent US4979190 - Method and apparatus for stabilized data transmission
Method and apparatus for stabilized data transmission