Method and apparatus for optical recording and reproduction with

Method and apparatus for optically reading digital data inscribe

Method and apparatus for optically recording and/or reproducing

Method and apparatus for processing data

Method and apparatus for producing an accurate error signal in a

Method and apparatus for providing focus control on a multi...

Method and apparatus for reading a data record carrier

Method and apparatus for reading CD-ROMs or the like at...

Method and apparatus for reading data from a disk

Method and apparatus for reading multiple tracks of an...

Method and apparatus for recording a continuous spiral informati

Method and apparatus for recording and reproducing information o

Method and apparatus for recording on a disk supported deformabl

Method and apparatus for recording or reproducing information in

Method and apparatus for recovering information from a videodisc

Method and apparatus for recovering information from a videodisc

Method and apparatus for reducing noise in a tracking error...

Method and apparatus for reproducing an optical signal

Method and apparatus for reproducing data from a recording...

Method and apparatus for reproducing information by varying a se