A tracking and servo system with a one-track jump is disclosed. The one track jump algorithm holds a control signal from the tracking servo system. The one track jump algorithm adds an acceleration control signal to the held control signal for a first period of time, delays for a second period of time,...http://www.google.de/patents/US7260031?utm_source=gb-gplus-sharePatent US7260031 - Digital focus and tracking servo system with one-track jump