G11B20/1488 - CPC Classification Index

ClassID:

198984 ⎘

G11B20/1488 - CPC Classification

Classification description:

Signal processing not specific to the method of recording or reproducing; Circuits therefor; Digital recording or reproducing using self-clocking codes characterised by the use of three levels

Sub-classes:

G11B20/1492 » {two levels are symmetric, in respect of the sign to the third level which is "zero"} 5

Recent Application in this class:

20090262406

2009-10-22

Recording device, recording/reproducing method, and reproducing method

20090161514

2009-06-25

Information recording apparatus, information reading apparatus and computer readable medium