METHOD AND DEVICE FOR RETRIEVING INFORMATION FROM AN OPTICAL RECORD CARRIER AT VARIOUS READING SPEEDS

摘要

THE PRESENT INVENTION IS RELATED TO A METHOD AND A READING DEVICE (1) FOR RETRIEVING INFORMATION FROM AN OPTICAL RECORD CARRIER (10) IN WHICH THE READ POWER LEVEL OF A RADIATION BEAM (3) FOR SCANNING THE OPTICAL RECORD CARRIER IS SET IN DEPENDENCE ON THE READ-OUT SPEED. THE INVENTION IS ALSO RELATED TO A RECORD CARRIER FOR USE WITH SUCH A METHOD AND A READING DEVICE.