JPS6315655B2 - - Google Patents

Info

Publication number
JPS6315655B2
JPS6315655B2 JP57012387A JP1238782A JPS6315655B2 JP S6315655 B2 JPS6315655 B2 JP S6315655B2 JP 57012387 A JP57012387 A JP 57012387A JP 1238782 A JP1238782 A JP 1238782A JP S6315655 B2 JPS6315655 B2 JP S6315655B2
Authority
JP
Japan
Prior art keywords
magnetic
tape
permanent magnet
magnet material
magnetic field
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.)
Expired
Application number
JP57012387A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58130406A (ja
Inventor
Norio Myatake
Mitsuaki Uenishi
Nobuo Kashimura
Keizo Ishiwatari
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP57012387A priority Critical patent/JPS58130406A/ja
Priority to US06/449,225 priority patent/US4613919A/en
Priority to CA000417684A priority patent/CA1195773A/en
Priority to EP82111647A priority patent/EP0081855B1/en
Priority to DE8282111647T priority patent/DE3279872D1/de
Publication of JPS58130406A publication Critical patent/JPS58130406A/ja
Publication of JPS6315655B2 publication Critical patent/JPS6315655B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/127—Structure or manufacture of heads, e.g. inductive
    • G11B5/325—Erasing heads using permanent magnets

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Magnetic Heads (AREA)
JP57012387A 1981-12-15 1982-01-28 磁気消去ヘツド Granted JPS58130406A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57012387A JPS58130406A (ja) 1982-01-28 1982-01-28 磁気消去ヘツド
US06/449,225 US4613919A (en) 1981-12-15 1982-12-13 Magnetic erasing head
CA000417684A CA1195773A (en) 1981-12-15 1982-12-14 Magnetic erasing head
EP82111647A EP0081855B1 (en) 1981-12-15 1982-12-15 Magnetic erasing head
DE8282111647T DE3279872D1 (en) 1981-12-15 1982-12-15 Magnetic erasing head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57012387A JPS58130406A (ja) 1982-01-28 1982-01-28 磁気消去ヘツド

Publications (2)

Publication Number Publication Date
JPS58130406A JPS58130406A (ja) 1983-08-03
JPS6315655B2 true JPS6315655B2 (en:Method) 1988-04-05

Family

ID=11803852

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57012387A Granted JPS58130406A (ja) 1981-12-15 1982-01-28 磁気消去ヘツド

Country Status (1)

Country Link
JP (1) JPS58130406A (en:Method)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56106518U (en:Method) * 1980-01-16 1981-08-19

Also Published As

Publication number Publication date
JPS58130406A (ja) 1983-08-03

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