An information processing system having an original clock oscillator for delivering at least one original clock signal K defined as a first clock signal and a plurality of information processing units supplied with the original clock signal K, wherein each information processing unit comprises clock...http://www.google.de/patents/US5133064?utm_source=gb-gplus-sharePatent US5133064 - Data processing system generating clock signal from an input clock, phase locked to the input clock and used for clocking logic devices
