HK183396A - Circuit arrangement for reversing a magnetic field - Google Patents

Circuit arrangement for reversing a magnetic field

Info

Publication number
HK183396A
HK183396A HK183396A HK183396A HK183396A HK 183396 A HK183396 A HK 183396A HK 183396 A HK183396 A HK 183396A HK 183396 A HK183396 A HK 183396A HK 183396 A HK183396 A HK 183396A
Authority
HK
Hong Kong
Prior art keywords
diode
pct
magneto
variable switch
terminal
Prior art date
Application number
HK183396A
Other languages
English (en)
Inventor
Friedhelm Zucker
Original Assignee
Thomson Brandt Gmbh
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of HK183396A publication Critical patent/HK183396A/xx

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
    • 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
    • H03K17/662—Switching arrangements for passing the current in either direction at will; Switching arrangements for reversing the current at will connected to both load terminals each output circuit comprising more than one controlled bipolar transistor
    • 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
    • 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
    • G11B11/10595—Control of operating function
    • 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
HK183396A 1989-03-04 1996-10-03 Circuit arrangement for reversing a magnetic field HK183396A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3907057A DE3907057A1 (de) 1989-03-04 1989-03-04 Schaltungsanordnung zur umkehrung eines magnetfeldes

Publications (1)

Publication Number Publication Date
HK183396A true HK183396A (en) 1996-10-11

Family

ID=6375582

Family Applications (1)

Application Number Title Priority Date Filing Date
HK183396A HK183396A (en) 1989-03-04 1996-10-03 Circuit arrangement for reversing a magnetic field

Country Status (12)

Country Link
US (1) US5220467A (xx)
EP (1) EP0461132B1 (xx)
JP (1) JP2807082B2 (xx)
KR (1) KR0168847B1 (xx)
CN (2) CN1020013C (xx)
AT (1) ATE93079T1 (xx)
AU (1) AU5109590A (xx)
DE (2) DE3907057A1 (xx)
DK (1) DK0461132T3 (xx)
ES (1) ES2044563T3 (xx)
HK (1) HK183396A (xx)
WO (1) WO1990010290A1 (xx)

Families Citing this family (14)

* 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
DE4103777A1 (de) * 1991-02-08 1992-08-13 Mueller A & K Gmbh Co Kg Eigenmediumbetaetigtes, durch ein bistabiles magnetventil gesteuertes servoventil fuer fluessige und gasfoermige medien
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
JP3098896B2 (ja) * 1992-06-23 2000-10-16 キヤノン株式会社 光磁気記録装置
JP3211999B2 (ja) * 1992-06-26 2001-09-25 キヤノン株式会社 光磁気記録装置
JP3365435B2 (ja) * 1993-06-23 2003-01-14 キヤノン株式会社 光磁気記録装置
JP2976923B2 (ja) * 1997-04-25 1999-11-10 日本電気株式会社 容量性負荷の駆動装置
DE19747033A1 (de) * 1997-10-24 1999-04-29 Daimler Chrysler Ag Elektronische Schalteinrichtung für Magneten
DE19830772A1 (de) * 1998-07-09 2000-01-13 Bosch Gmbh Robert Bus-betreibbare Sensorvorrichtung und entsprechendes Prüfverfahren
CN101588116B (zh) * 2008-05-21 2013-01-02 孙立蓉 风力磁浮发电机
KR101285110B1 (ko) * 2012-02-08 2013-07-17 김종훈 에코 힐링 저주파 자계 생성 장치
KR101516735B1 (ko) * 2013-06-25 2015-05-04 신명섭 다목적 회전구조물

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3037305C2 (de) * 1980-10-02 1986-04-03 Flowtec AG, Reinach, Basel Anordnung zur Erzeugung magnetischer Gleichfelder wechselnder Polarität für die magnetisch-induktive Durchflußmessung
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
JPS6161626U (xx) * 1984-09-28 1986-04-25
GB8530930D0 (en) * 1985-12-16 1986-01-29 Mansfield P Inductive circuit arrangements
EP0312143B1 (en) * 1987-10-14 1993-08-18 Koninklijke Philips Electronics N.V. Magneto-optical recording apparatus and energizing circuit for use in such a magneto-optical recording apparatus
FR2632438A1 (fr) * 1988-06-07 1989-12-08 Philips Nv Enregistreur magneto-optique a champ magnetique module
FR2647940B1 (fr) * 1989-06-02 1994-03-04 Thomson Csf Circuit de commande de modulation du champ magnetique pour l'enregistrement d'une memoire magneto-optique

Also Published As

Publication number Publication date
US5220467A (en) 1993-06-15
CN1054684A (zh) 1991-09-18
KR920700450A (ko) 1992-02-19
AU5109590A (en) 1990-09-26
DE59002336D1 (de) 1993-09-16
EP0461132A1 (de) 1991-12-18
JP2807082B2 (ja) 1998-09-30
CN1020013C (zh) 1993-03-03
KR0168847B1 (ko) 1999-03-20
ES2044563T3 (es) 1994-01-01
ATE93079T1 (de) 1993-08-15
CN1054864A (zh) 1991-09-25
EP0461132B1 (de) 1993-08-11
JPH04504022A (ja) 1992-07-16
WO1990010290A1 (de) 1990-09-07
DK0461132T3 (da) 1993-10-18
DE3907057A1 (de) 1990-09-13

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Legal Events

Date Code Title Description
PF Patent in force
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20090222