198531 ⎘
Guiding record carriers not specifically of filamentary or web form, or of supports therefor; Details; Positioning or locking of single discs of discs rotating during transducing operation by means provided on the turntable Two or more turntables
Recording and reproducing device
#2Optical disc access control and storage apparatus
#3Optical disk recording and reproducing apparatus
#4Optical disc drive with integral hard disk cache drive
#5Hard disk drive with multiple spindles
#6Disc device
#7Disc drive apparatus