Master medium for magnetic transfer, magnetic transferring...

Method and an apparatus for controlling a video cassette recorde

Method and an apparatus for controlling a video cassette recorde

Method and apparatus for copying data from one disc drive to...

Method and apparatus for dubbing a recorded video tape in synchr

Method and apparatus for dubbing a recording tape loaded...

Method and apparatus for fixed-gap, constant-field...

Method and apparatus for high speed duplication of audio or digi

Method and apparatus for identifying sound recordings

Method and apparatus for increasing density of an accumulation o

Method and apparatus for magnetic printing

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer

Method and apparatus for magnetic transfer, and magnetic...