A scanning system for a film recorder utilizes multiple digital-to-analog converters (DACs) to produce a linear output for a vertical deflection circuit which drives a vertical yoke circuit for controlling a CRT beam in a film recorder. The system contains a coarse DAC, a fine DAC, and a delta DAC which...http://www.google.de/patents/US6232904?utm_source=gb-gplus-sharePatent US6232904 - Scanning system for film recorder
