A method for operating a programmable digital signal processor in an optical disk drive to compensate tracking and/or focus servo system gain each time a new disk is inserted. The digital signal processor receives a servo error signal and outputs a servo control signal. Data characteristic of a desired...http://www.google.de/patents/US4942564?utm_source=gb-gplus-sharePatent US4942564 - Servo system gain compensation method for magneto-optic disk drives
