Apparatus for asynchronously generating control signals (CONTROL) is disclosed including a plurality of sources (5) of asynchronous data signals and a plurality of data processing channels (10, 14), each processing one of the data signals in response to a control signal (CONTROL). Each of a plurality...http://www.google.fr/patents/US5877814?utm_source=gb-gplus-shareBrevet US5877814 - Asynchronous control signal generating apparatus