KR900006950A - 자장반전회로 - Google Patents

자장반전회로 Download PDF

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Publication number
KR900006950A
KR900006950A KR1019890015192A KR890015192A KR900006950A KR 900006950 A KR900006950 A KR 900006950A KR 1019890015192 A KR1019890015192 A KR 1019890015192A KR 890015192 A KR890015192 A KR 890015192A KR 900006950 A KR900006950 A KR 900006950A
Authority
KR
South Korea
Prior art keywords
circuit
winding
free terminal
diode
series
Prior art date
Application number
KR1019890015192A
Other languages
English (en)
Other versions
KR0149850B1 (ko
Inventor
프리이트헬름 쭈커
크리스챤 뷔클러
Original Assignee
롤프-디이터 베르거
도이체 톰손-브란트 게엠베하
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 롤프-디이터 베르거, 도이체 톰손-브란트 게엠베하 filed Critical 롤프-디이터 베르거
Publication of KR900006950A publication Critical patent/KR900006950A/ko
Application granted granted Critical
Publication of KR0149850B1 publication Critical patent/KR0149850B1/ko

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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
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
    • G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
    • G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
    • G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
    • G11B11/10504—Recording
    • G11B11/10508—Recording by modulating only the magnetic field at the transducer

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
  • Magnetic Heads (AREA)
  • General Induction Heating (AREA)

Abstract

내용 없음

Description

자장반전회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
도면은 본 발명의 실시예를 나타낸 회로도.

Claims (5)

  1. 저장 반전 회로에 있어서, 코일(S)은 서로 반대극성으로 감겨진 2개의 직렬로 접속된 권선(W1,W2)으로 구성되고, 2개의 권선(W1,W2)의 공통접속점은 인덕터(L)와 전원(Q)으로 이루어진 직렬회로를 통해 공급전압(U)에 접속되며, 제1권선(W1)의 자유단자(B1)는 제1제어가능한 스위치(S1)를 통해 그리고 제2권선(W2)의 자유단자(B2)는 제2제어가능한 스위치(S2)를 통해 기준전위에 접속되고, 제1제어가능한 스위치(S1)의 제어입력은 제어회로(AS)의 제1출력(A1)과 그리고 제2제어가능한 스위치(S2)의 제어 입력은 제어회로(AS)의 제2출력(A2)과 접속되는 것을 특징으로 하는 자장반전회로.
  2. 제1항에 있어서, 제1권선(W1)의 자유단자(B1)는 제1다이오드(D1) 및 그것과 직렬로 접속된, 커패시터(C) 및 제너다이오드(Z)로 이루어진 병렬회로를 통해 기준전위에 접속되고 제2권선(W2)의 자유단자(B2)는 제2다이오드(D2) 및 커패시터(C) 및 제너 다이오드(Z)로 이루어진 병렬회로를 통해 기준전위에 접속되는 것을 특징으로 하는 자장 반전 회로.
  3. 제 1항 또는 2항에 있어서, 회로가 자기기록매체의 자기층의 자화방향을 반전하도록 작용하고, 디지탈 데이타의 기록시 2개의 제어가능한 스위치(S1,S2)는 기록되는 비트에 따라 제어회로(AS)에 의해 역위상으로 개폐되는 것을 특징으로 하는 자장 반전 회로.
  4. 제 3항에 있어서, 자기광학레코드가 자기기록매체로서 제공되는 것을 특징으로 하는 자장 반전 회로.
  5. 제1항, 2항, 3항 또는 4항에 있어서, 인턱터(L)의 값은 2개의 권선(W1,W2)의 인덕턴스보다 크게 선택되는 것을 특징으로 하는 자장 반전 회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890015192A 1988-10-22 1989-10-21 자장 반전 회로 KR0149850B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3836125A DE3836125A1 (de) 1988-10-22 1988-10-22 Schaltungsanordnung zur umkehrung eines magnetfeldes
DEP3836125.6 1988-10-22

Publications (2)

Publication Number Publication Date
KR900006950A true KR900006950A (ko) 1990-05-09
KR0149850B1 KR0149850B1 (ko) 1999-04-15

Family

ID=6365758

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890015192A KR0149850B1 (ko) 1988-10-22 1989-10-21 자장 반전 회로

Country Status (12)

Country Link
US (1) US5229902A (ko)
EP (1) EP0365891B1 (ko)
JP (1) JPH02198003A (ko)
KR (1) KR0149850B1 (ko)
CN (1) CN1015577B (ko)
AT (1) ATE122813T1 (ko)
DE (2) DE3836125A1 (ko)
DK (1) DK518489A (ko)
ES (1) ES2075025T3 (ko)
HK (1) HK77896A (ko)
HU (1) HUT53727A (ko)
MY (1) MY110012A (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3838858A1 (de) * 1988-11-17 1990-05-23 Thomson Brandt Gmbh Schaltungsanordnung zur umkehrung eines magnetfeldes
DE4022410A1 (de) * 1990-07-13 1992-01-16 Thomson Brandt Gmbh Schaltungsanordnung zur umkehrung eines magnetfeldes
JPH04181504A (ja) * 1990-11-16 1992-06-29 Canon Inc 磁気ヘッド駆動装置
US5402293A (en) * 1990-12-27 1995-03-28 Sony Electronics Inc. Magneto-optical head having a thin film coil recessed into a magnetic substrate
JP2795757B2 (ja) * 1991-06-21 1998-09-10 シャープ株式会社 磁気ヘッド駆動回路
JP2889411B2 (ja) * 1991-10-31 1999-05-10 キヤノン株式会社 磁気ヘッド駆動装置
JPH05128404A (ja) * 1991-11-07 1993-05-25 Tdk Corp 光磁気記録用変調磁界発生装置および光磁気記録装置
JP2859766B2 (ja) * 1991-12-24 1999-02-24 シャープ株式会社 磁気ヘッド駆動回路
US5587851A (en) * 1991-12-24 1996-12-24 Sharp Kabushiki Kaisha Magnetic head driving device with prerecording energization
US5404342A (en) * 1992-01-16 1995-04-04 Sony Corporation Magnetic head device for magneto-optical disc system and magnetic head driving circuit
JP2976697B2 (ja) * 1992-05-29 1999-11-10 松下電器産業株式会社 光磁気ディスク用変調磁界発生装置
JP3211999B2 (ja) * 1992-06-26 2001-09-25 キヤノン株式会社 光磁気記録装置
DE4229538C2 (de) * 1992-09-04 2002-10-24 Bosch Gmbh Robert Schaltungsanordnung zur Ansteuerung eines elektromagnetischen Verbrauchers
JPH0729234A (ja) * 1993-07-07 1995-01-31 Sony Corp 光磁気記録再生装置
JP3107265B2 (ja) * 1993-08-06 2000-11-06 キヤノン株式会社 磁気ヘッド駆動装置及び磁気記録装置
US5953196A (en) * 1998-07-24 1999-09-14 Caterpillar Inc. Method and apparatus for an electromagnetic joystick lock with flux canceling driver circuit
JP2001023262A (ja) 1999-07-12 2001-01-26 Fujitsu Ltd 磁気ヘッドの巻線構造及び駆動回路
US7672091B2 (en) * 2006-03-15 2010-03-02 Seagate Technology Llc Reset device for biasing element in a magnetic sensor
KR102083484B1 (ko) 2018-09-20 2020-03-02 현대엘리베이터주식회사 점프 엘리베이터의 레일 리프팅 장치

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1209420B (de) * 1960-03-19 1966-01-20 Leitz Ernst Gmbh Schaltungsanordnung zur magnetischen Steuerung eines Jalousieverschlusses
DE1588178A1 (de) * 1967-10-25 1971-05-06 Olympia Buerosysteme Gmbh Schaltung zur Umpolung und Schnellerregung von Magneten
JPS57200960A (en) * 1981-06-04 1982-12-09 Pioneer Electronic Corp Recording and reproducing method and its device
DE3510620A1 (de) * 1984-02-20 1986-10-02 Olympus Optical Co., Ltd., Tokio/Tokyo Vorrichtung fuer die erzeugung eines magnetfelds bei einer aufzeichnungseinrichtung
JPH0619863B2 (ja) * 1984-06-13 1994-03-16 株式会社日立製作所 光磁気情報記憶方法及び装置
JPS6278704A (ja) * 1985-10-02 1987-04-11 Olympus Optical Co Ltd 磁界発生装置
JPH0739063Y2 (ja) * 1987-03-13 1995-09-06 グローリー工業株式会社 磁気及び光センサ
JPH0833974B2 (ja) * 1987-08-19 1996-03-29 ソニー株式会社 磁気ヘッド駆動回路
US4926403A (en) * 1987-09-10 1990-05-15 Teac Corporation Magneto-optic recording apparatus for recording information selectively on both sides of the recording medium

Also Published As

Publication number Publication date
KR0149850B1 (ko) 1999-04-15
HK77896A (en) 1996-05-10
DK518489A (da) 1990-04-23
ATE122813T1 (de) 1995-06-15
DE3836125A1 (de) 1990-05-03
CN1042264A (zh) 1990-05-16
HU895389D0 (en) 1990-01-28
ES2075025T3 (es) 1995-10-01
HUT53727A (en) 1990-11-28
US5229902A (en) 1993-07-20
DK518489D0 (da) 1989-10-19
EP0365891A1 (de) 1990-05-02
EP0365891B1 (de) 1995-05-17
CN1015577B (zh) 1992-02-19
DE58909235D1 (de) 1995-06-22
JPH02198003A (ja) 1990-08-06
MY110012A (en) 1997-11-29

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