G - Physics – 11 – B
Patent
G - Physics
11
B
352/20
G11B 5/09 (2006.01) G11B 20/10 (2006.01) H04L 25/497 (2006.01)
Patent
CA 1150399
ABSTRACT OF THE DISCLOSURE Magnetic recording and reproducing method and apparatus for digital signals. An input binary digital signal is converted into an intermediate signal series by a precoder having a delay circuit for two-time slot delay and a modulo-2 adder. The intermediate signal series is branched to two paths. One signal on one path is delayed by one time slot and subtracted from the other signal on the other path to produce a recording signal to be recorded on a recording medium. A signal reproduced from the recording medium is branched to two paths. One signal on one path is delayed by one time slot and added to the other signal on the other path. The added signal is decoded to produce a binary signal which corresponds to the input binary digital signal.
361849
Eto Yoshizumi
Hirano Yasuhiro
Mita Seiichi
Gowling Lafleur Henderson Llp
Hitachi Denshi Kabushiki Kaisha
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