DE2337928C2 - Schaltungsanordnung zum Treiben einer Induktionsspule, insbesondere einer Magnetkopfspule - Google Patents

Schaltungsanordnung zum Treiben einer Induktionsspule, insbesondere einer Magnetkopfspule

Info

Publication number
DE2337928C2
DE2337928C2 DE2337928A DE2337928A DE2337928C2 DE 2337928 C2 DE2337928 C2 DE 2337928C2 DE 2337928 A DE2337928 A DE 2337928A DE 2337928 A DE2337928 A DE 2337928A DE 2337928 C2 DE2337928 C2 DE 2337928C2
Authority
DE
Germany
Prior art keywords
transistor
constant current
coil
induction coil
collector
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
DE2337928A
Other languages
German (de)
English (en)
Other versions
DE2337928A1 (de
Inventor
Harmon Wesley San Jose Calif. Johnson
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE2337928A1 publication Critical patent/DE2337928A1/de
Application granted granted Critical
Publication of DE2337928C2 publication Critical patent/DE2337928C2/de
Expired 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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/022—H-Bridge head driver circuit, the "H" configuration allowing to inverse the current direction in the head
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/64—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors having inductive loads
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/51—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used
    • H03K17/56—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices
    • H03K17/60—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the components used by the use, as active elements, of semiconductor devices the devices being bipolar transistors
    • H03K17/66—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will
    • H03K17/661—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals

Landscapes

  • Digital Magnetic Recording (AREA)
  • Control Of Stepping Motors (AREA)
  • Electronic Switches (AREA)
DE2337928A 1972-08-21 1973-07-26 Schaltungsanordnung zum Treiben einer Induktionsspule, insbesondere einer Magnetkopfspule Expired DE2337928C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28252672A 1972-08-21 1972-08-21

Publications (2)

Publication Number Publication Date
DE2337928A1 DE2337928A1 (de) 1974-03-07
DE2337928C2 true DE2337928C2 (de) 1983-05-11

Family

ID=23081910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2337928A Expired DE2337928C2 (de) 1972-08-21 1973-07-26 Schaltungsanordnung zum Treiben einer Induktionsspule, insbesondere einer Magnetkopfspule

Country Status (7)

Country Link
US (1) US3763383A (enExample)
JP (1) JPS5220252B2 (enExample)
CA (1) CA1003100A (enExample)
DE (1) DE2337928C2 (enExample)
FR (1) FR2197279B1 (enExample)
GB (1) GB1412804A (enExample)
IT (1) IT990640B (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3546146A1 (de) * 1984-12-28 1986-07-03 TDK Corporation, Tokio/Tokyo Schaltkreis fuer einen duennfilm-magnetkopf

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS592085B2 (ja) * 1974-03-04 1984-01-17 株式会社日立製作所 書込み増幅器
JPS51148410A (en) * 1975-06-16 1976-12-20 Hitachi Ltd Selector
US4015290A (en) * 1975-07-31 1977-03-29 Sangamo Electric Company Low power recording instrument with two or more tracks
JPS55155911U (enExample) * 1978-04-19 1980-11-10
JPS54153615A (en) * 1978-05-24 1979-12-04 Hitachi Ltd Current driving circuit
JPS5858731B2 (ja) * 1978-12-18 1983-12-27 インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション 磁気トランスジユ−サ用駆動増幅器
DE3045544A1 (de) * 1980-12-03 1982-07-01 Robert Bosch Gmbh, 7000 Stuttgart Vorrichtung zur aufzeichnung digitaler signale auf einem magnetband
JPS58125690U (ja) * 1982-11-02 1983-08-26 株式会社相沢鉄工所 プレスの表示装置
JP2519798Y2 (ja) * 1991-12-24 1996-12-11 ティアック株式会社 デイジタル記録回路
US5363249A (en) * 1992-02-20 1994-11-08 Silicon Systems, Inc. Self switching head damping
JPH07320208A (ja) * 1994-05-20 1995-12-08 Rohm Co Ltd 磁気記録装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2922144A (en) * 1954-03-01 1960-01-19 Smith Corona Marchant Inc Read-record circuits
US3064140A (en) * 1957-07-29 1962-11-13 Honeywell Regulator Co Current regulating circuit for switching memory elements and the like
US3125759A (en) * 1958-03-28 1964-03-17 Magnetic recording device
US3163804A (en) * 1961-03-01 1964-12-29 Jersey Prod Res Co Circuit for driving a center tapped head winding
US3380038A (en) * 1964-02-14 1968-04-23 Sylvania Electric Prod Electronic switching circuits
US3344321A (en) * 1965-07-09 1967-09-26 Ibm Magnetostrictive delay line driver
US3377518A (en) * 1966-06-01 1968-04-09 Ibm Magnetostrictive delay line driver
GB1225801A (enExample) * 1968-05-15 1971-03-24
US3555525A (en) * 1968-05-15 1971-01-12 Edo Corp Bipolar current generator
US3602739A (en) * 1969-04-16 1971-08-31 Westinghouse Electric Corp Digital magnetic recording circuit bidirectional load switching having higher load voltage at time of reversal
US3624417A (en) * 1969-04-21 1971-11-30 Ampex High-speed pulse driver for modulators, magnetic memories, and the like, having a complementary push-pull output stage
US3618119A (en) * 1970-03-13 1971-11-02 Storage Technology Corp Compensation in a magentic write circuit
JPS514019Y1 (enExample) * 1970-11-21 1976-02-04

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NICHTS-ERMITTELT

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3546146A1 (de) * 1984-12-28 1986-07-03 TDK Corporation, Tokio/Tokyo Schaltkreis fuer einen duennfilm-magnetkopf

Also Published As

Publication number Publication date
GB1412804A (en) 1975-11-05
JPS4946918A (enExample) 1974-05-07
US3763383A (en) 1973-10-02
DE2337928A1 (de) 1974-03-07
FR2197279B1 (enExample) 1976-05-07
IT990640B (it) 1975-07-10
JPS5220252B2 (enExample) 1977-06-02
FR2197279A1 (enExample) 1974-03-22
CA1003100A (en) 1977-01-04

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Legal Events

Date Code Title Description
OD Request for examination
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee