(19)
(11)EP 0 528 140 A3

(12)EUROPEAN PATENT APPLICATION

(88)Date of publication A3:
03.11.1993 Bulletin 1993/44

(43)Date of publication A2:
24.02.1993 Bulletin 1993/08

(21)Application number: 92110595.3

(22)Date of filing:  24.06.1992
(51)International Patent Classification (IPC)5G11B 5/09, G11B 19/04, G11B 5/016, G11B 27/10
// G11B5/465
(84)Designated Contracting States:
DE FR GB

(30)Priority: 24.06.1991 JP 178754/91
24.06.1991 JP 178756/91

(71)Applicant: SONY CORPORATION
Tokyo (JP)

(72)Inventors:
  • Taguchi, Keiichi
    Shinagawa-ku, Tokyo (JP)
  • Goto, Satoshi
    Shinagawa-ku, Tokyo (JP)
  • Yanaga, Masaharu
    Shinagawa-ku, Tokyo (JP)
  • Fujimoto, Yoshihiro
    Shinagawa-ku, Tokyo (JP)
  • Yanagiya, Keiichi
    Shinagawa-ku, Tokyo (JP)

(74)Representative: Körber, Wolfhart, Dr.rer.nat. et al
Patentanwälte Mitscherlich & Partner, Postfach 33 06 09
80066 München
80066 München (DE)


(56)References cited: : 
  
      


    (54)Magnetic recording/reproducing apparatus


    (57) In the apparatus preerase data (4E) is recorded in the area (ARE) erased extra by an erase magnetic head (6A), thereby surely extracting a regenerative clock at the reproducing time. The operation of the regenerative system can be stabilized, correspondingly.







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