A presettable counter and a substantially identical counter both slaved to a crystal-controlled clock oscillator form a programmable slip counter for providing transition signals with a time interval therebetween in accordance with a coarse delay signal preset into the presettable counter. A programmable...http://www.google.fr/patents/US4516861?utm_source=gb-gplus-shareBrevet US4516861 - High resolution and high accuracy time interval generator
High resolution and high accuracy time interval generator
