KR920701956A - 자장 조정용 제어 회로 - Google Patents

자장 조정용 제어 회로

Info

Publication number
KR920701956A
KR920701956A KR1019910700122A KR910700122A KR920701956A KR 920701956 A KR920701956 A KR 920701956A KR 1019910700122 A KR1019910700122 A KR 1019910700122A KR 910700122 A KR910700122 A KR 910700122A KR 920701956 A KR920701956 A KR 920701956A
Authority
KR
South Korea
Prior art keywords
control circuit
coil
pulse
pulses
information signal
Prior art date
Application number
KR1019910700122A
Other languages
English (en)
Other versions
KR100189673B1 (ko
Inventor
끌로드 러무로 쨩
Original Assignee
아르레뜨 다낭제
똥송-세 에스 에프
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 아르레뜨 다낭제, 똥송-세 에스 에프 filed Critical 아르레뜨 다낭제
Publication of KR920701956A publication Critical patent/KR920701956A/ko
Application granted granted Critical
Publication of KR100189673B1 publication Critical patent/KR100189673B1/ko

Links

Classifications

    • 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
    • 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

Abstract

내용 없음

Description

자장 조정용 제어 회로
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 제어 회로의 실시예에 대한 제1전자기계 모드의 접속선도, 제2A 내지 제2E도는 회로 내의 상이한 점에서의 전기 신호 도시도, 제3도는 본 발명의 제어 회로의 실시예에 대한 전자 모드의 접속선도.

Claims (9)

  1. 자기 광학 메모리내에 기록하기 위한 자장의 조정용 제어 회로에 있어서, 서로 병렬로 배치된, 정보 신호에 의해 특정지운 양극성의 자장을 발생하는 제1코일과, 캐패시터와 스위칭 회로를 구비하며, 상기 스위칭회로의 개폐는 기록될 정보 신호의 각 전이점에 발생된 고정 지속기간의 제1펄스로 제어되는 것을 특징으로 하는 자장 조정용 제어 회로.
  2. 제1항에 있어서, 상기 제1펄스는 지속기간(여기서, L은 코일의 인덕턴스를 나타내고 C는 캐패시턴스를 나타냄)을 갖는 자장 조정용 제어 회로.
  3. 제1항에 있어서, 상기 제1펄스는 그 자체의 두 입력으로 기록될 정보 신호를 수신하는 단안정으로 발생되는 자장 조정용 제어 회로.
  4. 제1항에 있어서, 상기 스위칭 회로는 그 자체의 게이트에서 고정 지속 기간의 제1펄스를 수신하는 적어도 하나의 MOS 전력 트랜지스터로 구성되는 자장 조정용 제어 회로.
  5. 제4항에 있어서, 상기 스위칭 회로는 헤드-테일 간에 배치된 두개의 MOS 트랜지스터로 구성되며, 그들의 각각의 게이트상에 제1고정 지속 기간 펄스를 수신하는 자장 조정용 제어 회로.
  6. 제1항에 있어서, 트리거 및 서스테이닝 회로를 또한 구비하는 것을 특징으로 하는 자장 조정용 제어 회로.
  7. 제6항에 있어서, 상기 트리거 및 홀딩 회로는 제1코일과 같은 코어상에 배치된 제2코일로 구성되고 포지티브 전압 및 네가티브 전압 각각에 접속된 두개의 스위치간의 공통점과 접지간에 접속되며, 상기 스위치의 개폐는 제2 및 제3고정 지속기간 펄스를 제각기 제어되며, 상기 제2펄스는 기록될 정보 신호의 트레일링 엣지 만큼 발생되는 반면에, 제3펄스는 기록될 정보 신호의 리이딩 엣지 만큼 발생되는 자장 조정용 제어 회로.
  8. 제3항에 있어서, 고정 지속 기간의 제2 및 제3펄스는 고정 지속 기간의 제1펄스와 같은 지속 기간을 갖는 자장 조정용 제어 회로.
  9. 제7항에 있어서, 고정 지속 기간의 제2 및 제3펄스는 단안정으로 각각 발생되는 자장 조정용 제어 회로.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910700122A 1989-06-02 1991-02-01 자기광학메모리에 기록하기 위해 자계를 변조하기 위한 제어회로 KR100189673B1 (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8907307 1989-06-02
FR898907307A FR2647940B1 (fr) 1989-06-02 1989-06-02 Circuit de commande de modulation du champ magnetique pour l'enregistrement d'une memoire magneto-optique
FRPFR90/00386 1990-06-01
PCT/FR1990/000386 WO1990015409A1 (fr) 1989-06-02 1990-06-01 Circuit de commande de modulation du champ magnetique pour l'enregistrement d'une memoire magneto-optique

Publications (2)

Publication Number Publication Date
KR920701956A true KR920701956A (ko) 1992-08-12
KR100189673B1 KR100189673B1 (ko) 1999-06-01

Family

ID=9382306

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910700122A KR100189673B1 (ko) 1989-06-02 1991-02-01 자기광학메모리에 기록하기 위해 자계를 변조하기 위한 제어회로

Country Status (14)

Country Link
US (1) US5157641A (ko)
EP (1) EP0428677B1 (ko)
JP (1) JP3171594B2 (ko)
KR (1) KR100189673B1 (ko)
CN (1) CN1048107C (ko)
AT (1) ATE120874T1 (ko)
AU (1) AU626065B2 (ko)
BR (1) BR9006789A (ko)
CA (1) CA2033344A1 (ko)
DE (1) DE69018383T2 (ko)
ES (1) ES2072436T3 (ko)
FR (1) FR2647940B1 (ko)
GR (1) GR900100421A (ko)
WO (1) WO1990015409A1 (ko)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907057A1 (de) * 1989-03-04 1990-09-13 Thomson Brandt Gmbh Schaltungsanordnung zur umkehrung eines magnetfeldes
JPH03214441A (ja) * 1990-01-18 1991-09-19 Canon Inc 光磁気記録装置
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
US5964759A (en) * 1992-10-27 1999-10-12 Ortho Development Corporation Electroconvergent cautery system
JP3179276B2 (ja) * 1993-03-26 2001-06-25 キヤノン株式会社 磁気ヘッド駆動方法および光磁気記録方法
JPH0729234A (ja) * 1993-07-07 1995-01-31 Sony Corp 光磁気記録再生装置
JPH07182717A (ja) * 1993-12-24 1995-07-21 Sharp Corp 光磁気記録再生装置
US6061307A (en) * 1994-05-10 2000-05-09 Hitachi Maxell, Ltd. Magneto-optical recording medium having a plurality of magnetic layers
FR2723242B1 (fr) * 1994-07-26 1996-08-30 Thomson Csf Tete magnetique a element saturable et dispositif matriciel comportant un ensemble de tetes magnetiques
FR2739965B1 (fr) * 1995-10-17 1997-11-07 Thomson Csf Dispositif emetteur-recepteur de lumiere et systeme de lecture optique
US5920538A (en) * 1998-06-11 1999-07-06 Tandberg Data Asa Magneto-optical readout method and magneto-optical readout head and method for making same
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
CN109361379A (zh) * 2018-09-18 2019-02-19 天津大学 一种基于脉宽调制电路的电磁层析成像系统激励信号源
CN112670064B (zh) * 2020-05-08 2021-08-20 云南人民电力电气有限公司 一种节能滤波型电力变压器

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3484673A (en) * 1966-12-27 1969-12-16 Badger Meter Mfg Co Pulse generator with energy conserving circuit
US3737735A (en) * 1972-02-04 1973-06-05 Minnesota Mining & Mfg Autotransformer assisted resonated energy transfer circuit
JPS59140605A (ja) * 1983-01-31 1984-08-13 Canon Inc 光磁気記録装置の情報消去方法
US4872078A (en) * 1986-04-24 1989-10-03 International Business Machines Corporation Method and apparatus for encoding and direct overwriting of magneto-optic data
US4841407A (en) * 1986-06-16 1989-06-20 Canon Kabushiki Kaisha Magnetic field generator having a plurality of coils for generating magnetic field in substantially the same space and method of driving the same
JPS6334756A (ja) * 1986-07-28 1988-02-15 Sony Corp 光磁気メモリの記録方法
JP2575120B2 (ja) * 1986-07-31 1997-01-22 ソニー株式会社 光磁気記録装置
JPS6355746A (ja) * 1986-08-26 1988-03-10 Canon Inc 光磁気記録媒体の記録装置
DE3883342T2 (de) * 1987-10-14 1994-03-10 Philips Nv Magnetooptische Aufzeichnungsvorrichtung und Betätigungsschaltung zur Anwendung in derartigen, magnetooptischen Aufzeichnungsvorrichtungen.

Also Published As

Publication number Publication date
CN1048107C (zh) 2000-01-05
EP0428677B1 (fr) 1995-04-05
EP0428677A1 (fr) 1991-05-29
US5157641A (en) 1992-10-20
DE69018383T2 (de) 1995-10-05
FR2647940B1 (fr) 1994-03-04
DE69018383D1 (de) 1995-05-11
CN1047751A (zh) 1990-12-12
AU5742990A (en) 1991-01-07
JPH04500285A (ja) 1992-01-16
CA2033344A1 (fr) 1990-12-03
GR900100421A (el) 1991-11-15
KR100189673B1 (ko) 1999-06-01
JP3171594B2 (ja) 2001-05-28
AU626065B2 (en) 1992-07-23
BR9006789A (pt) 1991-08-13
FR2647940A1 (fr) 1990-12-07
ATE120874T1 (de) 1995-04-15
WO1990015409A1 (fr) 1990-12-13
ES2072436T3 (es) 1995-07-16

Similar Documents

Publication Publication Date Title
KR920701956A (ko) 자장 조정용 제어 회로
KR890004280A (ko) 자기헤드 구동회로
JP2598312B2 (ja) 光磁気記録装置及びそのような光磁気記録装置に用いる駆動回路
KR900006950A (ko) 자장반전회로
KR930701901A (ko) 스위치 커패시터 제로 교차 검출기를 구비한 톤 수신기
US5402052A (en) Inductive current switching system with resonance
KR930014518A (ko) 자기 헤드 구동장치
KR960005197B1 (ko) 유도 전류 스위칭 시스템
US20020186578A1 (en) Magnetic write circuit with charge pumping capacitors
EP0418408B1 (de) Verfahren und Schaltungsanordnung zum Ansteuern eines Halbleiterschalters unter Verwendung eines induktiven Übertragers
JPS62118787A (ja) 絶縁ゲ−ト電界効果トランジスタおよびコイルを備えた回路
SU741462A1 (ru) Устройство коммутации универсальной магнитной головки
RU2217816C2 (ru) Способ стирания записи с магнитного носителя и устройство для его осуществления
US3449757A (en) Magnetic recording of a variable slope pulse modulated signal
JPS62109090A (ja) 偏向駆動回路
SU1527667A1 (ru) Устройство возбуждени вращающегос магнитного пол дл доменной пам ти
JP3144601B2 (ja) 磁気ヘツド駆動装置
JPS6249966B2 (ko)
SU545070A1 (ru) Мостовой усилитель мощности
CN115765706A (zh) 一种正负脉冲高速大电流驱动电路装置
JPH03272038A (ja) 磁気ヘッド装置
JPS58162126A (ja) 集積回路装置の出力バツフア回路
JPS60111125U (ja) 遅延回路
JPH0232709B2 (ko)
ATE116467T1 (de) Schaltungsanordnung zur umkehrung eines magnetfeldes.

Legal Events

Date Code Title Description
A201 Request for examination
E902 Notification of reason for refusal
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20070110

Year of fee payment: 9

LAPS Lapse due to unpaid annual fee