Information signals recorded in a signal recording area of a magnetic disk 100 are reproduced for each sector unit by a magnetic head 3, and are taken out through an equalizer 8, an ECC circuit 9 and a buffer 10. A control circuit 12 obtains an estimate value indicating the difficulty of reproduction...http://www.google.fr/patents/US6198709?utm_source=gb-gplus-shareBrevet US6198709 - Signal recording/reproducing device and fault control method for signal recording area
Signal recording/reproducing device and fault control method for signal ...
