DE3546146A1 - Schaltkreis fuer einen duennfilm-magnetkopf - Google Patents

Schaltkreis fuer einen duennfilm-magnetkopf

Info

Publication number
DE3546146A1
DE3546146A1 DE19853546146 DE3546146A DE3546146A1 DE 3546146 A1 DE3546146 A1 DE 3546146A1 DE 19853546146 DE19853546146 DE 19853546146 DE 3546146 A DE3546146 A DE 3546146A DE 3546146 A1 DE3546146 A1 DE 3546146A1
Authority
DE
Germany
Prior art keywords
coil
switching transistors
magnetic head
pair
transistor
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.)
Granted
Application number
DE19853546146
Other languages
German (de)
English (en)
Other versions
DE3546146C2 (ja
Inventor
Joichiro Saku Nagano Ezaki
Katsuhiko Narashino Chiba Tomita
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.)
TDK Corp
Original Assignee
TDK 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 TDK Corp filed Critical TDK Corp
Publication of DE3546146A1 publication Critical patent/DE3546146A1/de
Application granted granted Critical
Publication of DE3546146C2 publication Critical patent/DE3546146C2/de
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
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/09—Digital recording
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
    • G11B15/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B15/12—Masking of heads; circuits for Selecting or switching of heads between operative and inoperative functions or between different operative functions or for selection between operative heads; Masking of beams, e.g. of light beams
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/26—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback
    • H03K3/28—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback
    • H03K3/281—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator
    • H03K3/286—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable
    • H03K3/288—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable using additional transistors in the input circuit
    • H03K3/2885—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar transistors with internal or external positive feedback using means other than a transformer for feedback using at least two transistors so coupled that the input of one is derived from the output of another, e.g. multivibrator bistable using additional transistors in the input circuit the input circuit having a differential configuration

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Digital Magnetic Recording (AREA)
DE19853546146 1984-12-28 1985-12-27 Schaltkreis fuer einen duennfilm-magnetkopf Granted DE3546146A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP27931884A JPS61158010A (ja) 1984-12-28 1984-12-28 磁気ヘツド回路

Publications (2)

Publication Number Publication Date
DE3546146A1 true DE3546146A1 (de) 1986-07-03
DE3546146C2 DE3546146C2 (ja) 1988-09-01

Family

ID=17609497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853546146 Granted DE3546146A1 (de) 1984-12-28 1985-12-27 Schaltkreis fuer einen duennfilm-magnetkopf

Country Status (2)

Country Link
JP (1) JPS61158010A (ja)
DE (1) DE3546146A1 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8903043A (nl) * 1988-12-09 1990-07-02 Mitsubishi Electric Corp Kopaandrijving.

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2121970A1 (de) * 1970-08-06 1972-02-10 Rca Corp Multifunktionelle Verknüpfungsschaltung
DE2337928C2 (de) * 1972-08-21 1983-05-11 International Business Machines Corp., 10504 Armonk, N.Y. Schaltungsanordnung zum Treiben einer Induktionsspule, insbesondere einer Magnetkopfspule

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2121970A1 (de) * 1970-08-06 1972-02-10 Rca Corp Multifunktionelle Verknüpfungsschaltung
DE2337928C2 (de) * 1972-08-21 1983-05-11 International Business Machines Corp., 10504 Armonk, N.Y. Schaltungsanordnung zum Treiben einer Induktionsspule, insbesondere einer Magnetkopfspule

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8903043A (nl) * 1988-12-09 1990-07-02 Mitsubishi Electric Corp Kopaandrijving.

Also Published As

Publication number Publication date
DE3546146C2 (ja) 1988-09-01
JPS61158010A (ja) 1986-07-17

Similar Documents

Publication Publication Date Title
DE69119356T2 (de) Hochdichte signalverstärkung zeigender magnetoresistiver wiedergabekopf mit kurzgeschlossenem doppelelement
DE2556831C2 (de) Matrixspeicher und Verfahren zu seinem Betrieb
DE3222607A1 (de) Schaltungsanordnung mit mehreren, durch aktive schaltungen gebildeten signalpfaden
DE2615539A1 (de) Magnetowiderstandskopf
DE3120979A1 (de) Spannungsvergleicher
DE1538608A1 (de) Strombegrenzerschaltung
DE3853687T2 (de) Steuerschaltung für Laserdrucker.
DE69524219T2 (de) Anordnung zur aufzeichnung eines informationssignals auf einen magnetaufzeichnungsträger
DE2801896C2 (ja)
DE3035304C2 (de) Triggerschaltung
DE2905659C3 (de) Gegentakt-Verstärkerkreis
DE69125304T2 (de) Lastschaltung für differentiellen Treiber
DE2061943C3 (de) Differenzverstärker
EP0078335B1 (de) Verfahren zum Lesen eines Halbleiterspeichers
DE1814213C3 (de) J-K-Master-Slave-Flipflop
DE3602551C2 (de) Operationsverstärker
DE1265786B (de) Sicherheits-UND-Gatter, welches im Falle einer Stoerung der Gatterschaltung ein im Sinne der groessten Sicherheit wirkendes vorgegebenes Ausgangssignal liefert
DE3546146A1 (de) Schaltkreis fuer einen duennfilm-magnetkopf
DE3144046C2 (ja)
DE1219082B (de) Differentialverstaerkerschaltung fuer einen Matrix-Schreib-Lese-Kreis
DE2018923C3 (de) Verstärker zum abwechselnden Umschalten des Stromflusses von einer induktiven Last auf eine andere induktive Last
DE2719200A1 (de) Schaltungsanordnung zum steuern eines gleichstrommotors
DE2053888A1 (de) Schaltungsanordnung zur Umformung bipolarer Eingangssignale in unipolare Signale
EP0017730A1 (de) Gegengekoppelter Differentialverstärker
DE1951440B2 (de) Dreipunktregler mit zwei im Gegentakt zueinander geschalteten, durch Verstärker gebildeten Nullschwellenschalter

Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: VOGESER, W., DIPL.-ING., PAT.-ANW., 8000 MUENCHEN BOECKER, J., DIPL.-ING. DR.-ING., PAT.- U. RECHTSANW., 6000 FRANKFURT ALBER, N., DIPL.-ING. UNIV. DIPL.-WIRTSCH.-ING.UNIV STRYCH, W., DR.RER.NAT., PAT.-ANWAELTE, 8000 MUENCHEN

8339 Ceased/non-payment of the annual fee