IT1042371B - Apparecchiatura perfezionata di registrazione cancellazione per registratori magnetici digitali a testana rotante - Google Patents

Apparecchiatura perfezionata di registrazione cancellazione per registratori magnetici digitali a testana rotante

Info

Publication number
IT1042371B
IT1042371B IT27024/75A IT2702475A IT1042371B IT 1042371 B IT1042371 B IT 1042371B IT 27024/75 A IT27024/75 A IT 27024/75A IT 2702475 A IT2702475 A IT 2702475A IT 1042371 B IT1042371 B IT 1042371B
Authority
IT
Italy
Prior art keywords
perfected
rotating head
recording equipment
digital magnetic
magnetic recorders
Prior art date
Application number
IT27024/75A
Other languages
English (en)
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Application granted granted Critical
Publication of IT1042371B publication Critical patent/IT1042371B/it

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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/03—Biasing
    • 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
    • G11B5/48—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed
    • G11B5/52—Disposition or mounting of heads or head supports relative to record carriers ; arrangements of heads, e.g. for scanning the record carrier to increase the relative speed with simultaneous movement of head and record carrier, e.g. rotation of head
    • G11B5/53—Disposition or mounting of heads on rotating support
IT27024/75A 1974-10-31 1975-09-09 Apparecchiatura perfezionata di registrazione cancellazione per registratori magnetici digitali a testana rotante IT1042371B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US519740A US3900894A (en) 1974-10-31 1974-10-31 Write-erase circuits for rotating head digital magnetic recorders

Publications (1)

Publication Number Publication Date
IT1042371B true IT1042371B (it) 1980-01-30

Family

ID=24069583

Family Applications (1)

Application Number Title Priority Date Filing Date
IT27024/75A IT1042371B (it) 1974-10-31 1975-09-09 Apparecchiatura perfezionata di registrazione cancellazione per registratori magnetici digitali a testana rotante

Country Status (7)

Country Link
US (1) US3900894A (it)
JP (1) JPS5151919A (it)
CA (1) CA1033837A (it)
DE (1) DE2539159B2 (it)
FR (1) FR2289994A1 (it)
GB (1) GB1473453A (it)
IT (1) IT1042371B (it)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4005482A (en) * 1975-06-06 1977-01-25 International Business Machines Corporation Asymmetric erase across a rotary transformer to a rotating magnetic head
JPS5436709A (en) * 1977-08-26 1979-03-17 Sony Corp Position control circuit for rotary magnetic head
DE3340113A1 (de) * 1983-11-05 1985-05-15 Robert Bosch Gmbh, 7000 Stuttgart System zur speicherung digital codierter signale auf magnetband
JPH06105484B2 (ja) * 1984-06-29 1994-12-21 キヤノン株式会社 磁気記緑再生装置
JPH0823925B2 (ja) * 1984-07-31 1996-03-06 株式会社東芝 磁気記録再生装置
JPH0770013B2 (ja) * 1985-07-17 1995-07-31 株式会社日立製作所 フレキシブルディスク装置の情報記録方法
JPH0711849B2 (ja) * 1987-02-27 1995-02-08 株式会社東芝 フロツピ−デイスク装置のデ−タ記録制御装置
JPH0792885B2 (ja) * 1988-05-16 1995-10-09 日本ビクター株式会社 磁気記録再生装置
JPH04332903A (ja) * 1991-05-02 1992-11-19 Koufu Nippon Denki Kk 磁気カード記録再生装置
JPH08182623A (ja) * 1994-12-29 1996-07-16 Maruzen:Kk ギョーザ調理方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3042756A (en) * 1956-12-21 1962-07-03 Ibm Rotatable magnetic transducer
US2857585A (en) * 1957-02-13 1958-10-21 Ibm Magnetic data recording and reproducing apparatus
US3361878A (en) * 1964-03-11 1968-01-02 Ampex Signal switching system utilizing magnetic switching for rotating head recorders
US3536856A (en) * 1967-09-20 1970-10-27 Ampex Record-reproduce mode selection without mechanical relays

Also Published As

Publication number Publication date
FR2289994B1 (it) 1977-12-16
JPS5151919A (en) 1976-05-07
US3900894A (en) 1975-08-19
DE2539159B2 (de) 1979-06-07
FR2289994A1 (fr) 1976-05-28
GB1473453A (en) 1977-05-11
CA1033837A (en) 1978-06-27
DE2539159A1 (de) 1976-05-06
DE2539159C3 (it) 1980-02-14
JPS5518965B2 (it) 1980-05-22

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