JPS522421A - Magnetic memory means having funcion of controlling the life of manget ic recording medium - Google Patents

Magnetic memory means having funcion of controlling the life of manget ic recording medium

Info

Publication number
JPS522421A
JPS522421A JP7667075A JP7667075A JPS522421A JP S522421 A JPS522421 A JP S522421A JP 7667075 A JP7667075 A JP 7667075A JP 7667075 A JP7667075 A JP 7667075A JP S522421 A JPS522421 A JP S522421A
Authority
JP
Japan
Prior art keywords
recording medium
life
memory means
manget
funcion
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP7667075A
Other languages
Japanese (ja)
Inventor
Yoshihiro Moribe
Makoto Kogai
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP7667075A priority Critical patent/JPS522421A/en
Publication of JPS522421A publication Critical patent/JPS522421A/en
Pending legal-status Critical Current

Links

Landscapes

  • Recording Or Reproducing By Magnetic Means (AREA)

Abstract

PURPOSE: To improve reliability of date through prevention of hard error due to the life of a recording medium by so arranging as to make recording of the frequency of use on a magnetic recording medium and make renewal by a counter in a memory means.
COPYRIGHT: (C)1977,JPO&Japio
JP7667075A 1975-06-24 1975-06-24 Magnetic memory means having funcion of controlling the life of manget ic recording medium Pending JPS522421A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7667075A JPS522421A (en) 1975-06-24 1975-06-24 Magnetic memory means having funcion of controlling the life of manget ic recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7667075A JPS522421A (en) 1975-06-24 1975-06-24 Magnetic memory means having funcion of controlling the life of manget ic recording medium

Publications (1)

Publication Number Publication Date
JPS522421A true JPS522421A (en) 1977-01-10

Family

ID=13611842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7667075A Pending JPS522421A (en) 1975-06-24 1975-06-24 Magnetic memory means having funcion of controlling the life of manget ic recording medium

Country Status (1)

Country Link
JP (1) JPS522421A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5340300A (en) * 1991-09-21 1994-08-23 Sekisui Kagaku Kogyo Kabushiki Kaisha An apparatus for continuously manufacturing a fiber reinforced resin

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5340300A (en) * 1991-09-21 1994-08-23 Sekisui Kagaku Kogyo Kabushiki Kaisha An apparatus for continuously manufacturing a fiber reinforced resin
US5458831A (en) * 1991-09-21 1995-10-17 Sekisui Kagaku Kogyo Kabushiki Kaisha Method for manufacturing a fiber reinforced foam resin using adjustable endless belts

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