DE69013549D1 - Kopfverstärker für magnetische Wiedergabe. - Google Patents

Kopfverstärker für magnetische Wiedergabe.

Info

Publication number
DE69013549D1
DE69013549D1 DE69013549T DE69013549T DE69013549D1 DE 69013549 D1 DE69013549 D1 DE 69013549D1 DE 69013549 T DE69013549 T DE 69013549T DE 69013549 T DE69013549 T DE 69013549T DE 69013549 D1 DE69013549 D1 DE 69013549D1
Authority
DE
Germany
Prior art keywords
head amplifier
reproduction head
magnetic reproduction
magnetic
amplifier
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 - Fee Related
Application number
DE69013549T
Other languages
English (en)
Other versions
DE69013549T2 (de
Inventor
Soichi Iwamura
Eiichi Takakura
Tadashi Itsumi
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE69013549D1 publication Critical patent/DE69013549D1/de
Application granted granted Critical
Publication of DE69013549T2 publication Critical patent/DE69013549T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation recording or reproducing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • 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
    • 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
    • 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
    • G11B5/035—Equalising
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/931—Regeneration of the television signal or of selected parts thereof for restoring the level of the reproduced signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Power Engineering (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Amplifiers (AREA)
  • Television Signal Processing For Recording (AREA)
DE69013549T 1989-03-31 1990-03-29 Kopfverstärker für magnetische Wiedergabe. Expired - Fee Related DE69013549T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP8170389 1989-03-31
JP18001089 1989-07-11
JP1341028A JPH03130967A (ja) 1989-03-31 1989-12-27 磁気再生ヘッドアンプ

Publications (2)

Publication Number Publication Date
DE69013549D1 true DE69013549D1 (de) 1994-12-01
DE69013549T2 DE69013549T2 (de) 1995-05-04

Family

ID=27303675

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69013549T Expired - Fee Related DE69013549T2 (de) 1989-03-31 1990-03-29 Kopfverstärker für magnetische Wiedergabe.

Country Status (6)

Country Link
US (1) US5168397A (de)
EP (1) EP0390554B1 (de)
JP (1) JPH03130967A (de)
KR (1) KR930007328B1 (de)
CA (1) CA2012969C (de)
DE (1) DE69013549T2 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2841852B2 (ja) * 1990-11-27 1998-12-24 ソニー株式会社 記録増幅回路
US5309298A (en) * 1992-11-24 1994-05-03 International Business Machines Corporation Suppression of magnetic instability in inductive recording heads
US5479098A (en) * 1993-03-15 1995-12-26 Trace Mountain Products, Inc. Loop-back circuit for testing a magnetic recording system with simultaneous read and write functions
JPH06342504A (ja) * 1993-05-31 1994-12-13 Canon Inc 再生装置
JP3057655B2 (ja) * 1994-03-08 2000-07-04 ローム株式会社 磁気記録再生装置
EP1001634A3 (de) * 1998-11-12 2002-09-25 Sony Corporation Videosignalbearbeitung, Aufnahmeformatunterscheidung und Signalwiedergabe
US6674595B1 (en) * 2000-11-15 2004-01-06 Texas Instruments Incorporated Controlled impedance amplifiers
TWI346468B (en) * 2007-07-06 2011-08-01 Realtek Semiconductor Corp Line driver with automatically adjusting output impedance

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1383204A (en) * 1971-04-16 1975-02-05 Gen Electric Co Ltd Active filter networks
US3747007A (en) * 1972-07-07 1973-07-17 Us Army Variable compensation for feedback control systems
US4437069A (en) * 1981-06-12 1984-03-13 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Low noise tuned amplifier
JPS5832207A (ja) * 1981-08-21 1983-02-25 Hitachi Ltd ビデオテ−プレコ−ダ用プリアンプ回路
JPS5860407A (ja) * 1981-10-05 1983-04-09 Hitachi Ltd 磁気記録再生装置用再生増幅器
AT377873B (de) * 1981-10-22 1985-05-10 Akg Akustische Kino Geraete Impedanzwandlerschaltung fuer kapazitive spannungsquellen
US4547819A (en) * 1983-05-04 1985-10-15 Amber Electro Design, Inc. Magnetic pickup preamplifier
EP0264812B1 (de) * 1986-10-20 1994-07-13 Hitachi, Ltd. Vorverstärkerschaltung
JPS63102003A (ja) * 1986-10-20 1988-05-06 Hitachi Ltd 磁気記録再生装置
IT1203893B (it) * 1987-04-14 1989-02-23 Sgs Microelettronica Spa Circuito di amplificazione ad elevata precisione con piccolo ingombro e basso consumo di potenza per circuiti integrati.

Also Published As

Publication number Publication date
KR900015087A (ko) 1990-10-25
DE69013549T2 (de) 1995-05-04
EP0390554B1 (de) 1994-10-26
US5168397A (en) 1992-12-01
KR930007328B1 (ko) 1993-08-05
EP0390554A1 (de) 1990-10-03
JPH03130967A (ja) 1991-06-04
CA2012969A1 (en) 1990-09-30
CA2012969C (en) 1994-03-08

Similar Documents

Publication Publication Date Title
DE3885825D1 (de) Magnetische Aufzeichnungsträger.
DE69019222D1 (de) Magnetisches Aufzeichnungs-/Wiedergabegerät.
DE3778168D1 (de) Magnetisches aufzeichnungsmedium.
DE3884297D1 (de) Magnetischer Plattenspieler.
DE3886440D1 (de) Aufzeichnungsmittel.
DE3773239D1 (de) Magnetisches aufzeichnungsmedium.
DE69103664D1 (de) Träger für longitudinale magnetische Aufzeichnung.
DE3879305D1 (de) Magnetkopf.
DE69013099D1 (de) Magnetischer Aufzeichnungsträger.
DE68920403D1 (de) Magnetischer Plattenspieler.
KR900016954A (ko) 자기 기록 매체
DE68917903D1 (de) Magneto-optischer Aufzeichnungsträger.
DE69007261D1 (de) Langgestreckter magnetischer Aufzeichnungsträger.
DE3580635D1 (de) Magnetisches aufzeichnungsmedium.
DE59007831D1 (de) Magnetische Aufzeichnungsträger.
DE3886569D1 (de) Magnetkopf.
DE3575357D1 (de) Magnetisches aufzeichnungsmedium.
DE3879799D1 (de) Magnetkopf.
DE69022465D1 (de) Statischer Lese-Magnetkopf.
DE69013549D1 (de) Kopfverstärker für magnetische Wiedergabe.
DE69011997D1 (de) Hall-Effekt Magnetwiedergabekopf.
DE69110945D1 (de) Magnetisches Aufzeichnungsmedium.
DE69020523D1 (de) Mehrspur-Lesemagnetkopf.
DE69005471D1 (de) Magnetischer Aufzeichnungsträger.
DE3481661D1 (de) Magnetisches aufzeichnungsmedium.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee