198056 ⎘
Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation , reproducing using an optical beam at lower power ; Record carriers therefor; Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection; Arrangements for mechanically moving the whole head to access both sides of the disc with the same head assembly
Magnetic Recording Medium and Recording/Reproducing Apparatus Therefor
#2Optical disc device having two optomechanical mechanisms
#3Apparatus and method for providing uninterrupted continuous play during a change of sides of a dual-sided optical disk
#4Laser positioning in an optical disc drive
#5Optical recording medium and production method thereof; and optical recording apparatus and optical reproducing apparatus
#6Optics for double-sided media
#7Optical disk changer with side switching capabilities
#8Apparatus and method for providing uninterrupted continuous play during a change of sides of a dual-sided optical disk
#9Disc drive or player for reading double-sided optical discs
#10Double-sided optical disc with means for indicating its proper direction of rotation
#11Double-sided optical disc
#12Player with a read-head yoke for double-sided optical discs
#13Double-sided recording/reproducing disk drive