KR0168847B1 - 자계의 방향을 전환시키기 위한 회로 - Google Patents
자계의 방향을 전환시키기 위한 회로 Download PDFInfo
- Publication number
- KR0168847B1 KR0168847B1 KR1019900702379A KR900702379A KR0168847B1 KR 0168847 B1 KR0168847 B1 KR 0168847B1 KR 1019900702379 A KR1019900702379 A KR 1019900702379A KR 900702379 A KR900702379 A KR 900702379A KR 0168847 B1 KR0168847 B1 KR 0168847B1
- Authority
- KR
- South Korea
- Prior art keywords
- controllable
- input
- switch
- circuit
- output
- Prior art date
Links
- 230000000903 blocking effect Effects 0.000 claims abstract description 4
- 239000008186 active pharmaceutical agent Substances 0.000 claims description 10
- 239000003990 capacitor Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 7
- 230000005415 magnetization Effects 0.000 description 14
- 238000010586 diagram Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 230000010287 polarization Effects 0.000 description 4
- 230000003111 delayed effect Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000005374 Kerr effect Effects 0.000 description 1
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
Abstract
Description
Claims (8)
- 자계의 방향을 전환시키기 위한 회로에 있어서, 제1 및 제2 다이오드(D1, D2)로 구성된 직렬회로, 제3 및 제4 다이오드(D3, D4)로 구성된 직렬회로 및 정전압원(U)이 서로 병렬로 접속되고, 제1 및 제2 다이오드(D1, D2)의 공통 접속점(A)은 코일(L)을 통해 제3 및 제4 다이오드(D3, D4)의 공통 접속점(B)와 접속되며 ; 제2 다이오드(D2)는 제어 가능한 제1 스위치(S1)에 의해 브리지 접속되고 제4 다이오드(D4)는 제어 가능한 제2 스위치(S2)에 의해 브리지 접속되며 ; 코일(L)의 한 접속점(A)은 제어 가능한 제3 스위치(S3)를 통해 또한 다른 접속점(B)은 제어 가능한 제4 스위치(S4)를 통해 전류센서(SF)의 한 입력과 접속되며 ; 전류센서(SF)의 다른 입력은 제1 및 제3 다이오드(D1, D3)의 공통 접속점과 접속되고 ; 모든 다이오드(D1, D2, D3, D4)는 정전압원(U)에 대해 차단 방향으로 극성되며 ; 전류센서(SF)의 출력은 제어회로(S)의 입력(E)과 접속되고 ; 제어회로(S)의 출력(A1, A2, A3, A4)은 제어 가능한 스위치(S1, S2, S3, S4)의 제어입력과 접속되는 것을 특징으로 하는 자계의 방향을 전환 시키기 위한 회로.
- 제1항에 있어서, 정전압원(U)에 병렬로 접속된 커패시터를 더 포함하는 것을 특징으로 하는 회로.
- 제1항 또는 제2항에 있어서, 전류센서(SF)와 직렬로 제5 다이오드(D5)가 접속되며, 제5 다이오드(D5)는 정전압원(U)에 대해 도통방향으로 극성되는 것을 특징으로 하는 회로.
- 제1항에 있어서, 제1단계에 있어, 제어 가능한 제2 및 제3 스위치(S2, S3)가 개방되어 있는 동안 제어 가능한 제1 및 제4 스위치(S1, S4)는 폐쇄되어 있으며 ; 제2단계에 있어, 코일(L)을 통과하는 전류(I)의 값이 미리 주어진 한계치를 초과하면, 제어 가능한 제4 스위치(S4)는 개방되며 ; 제3단계에 있엇, 코일(L)을 통과하는 전류의 방향을 전환하기 위하여 제어 가능한 제1 스위치(S1)는 개방되고, 그에 반하여 제어 가능한 제2 및 제3 스위치(S2, S3)는 폐쇄되며 ; 제4 단계에 있어, 코일(L)을 통과하는 전류(I)의 값이 미리 주어진 한계치를 초과하면, 제어 가능한 스위치(S3)는 개방되며 ; 제5단계에 있어, 코일(L)을 통과하는 전류(I)의 방향을 전환하기 위하여 제어 가능한 제2 스위치(S2)는 개방되며, 이와 반대로 제어 가능한 제1 및 제4 스위치(S1, S4)는 폐쇄되는 것을 특징으로 하는 회로.
- 제4항에 있어서, 코일(L)을 통과하는 전류(I)의 방향을 주기적으로 전환하기 위하여 제어회로(S)에 의하여 제2 내지 제5의 단계를 주기적으로 반복하는 것을 특징으로 하는 회로.
- 제1항, 제2항, 제4항 또는 제5항에 있어서, 전류 센서(SF)로서 한계치 검출기를 가지는 것을 특징으로 하는 회로.
- 제1항에 있어서, 클럭 발생기(G)로부터 클럭된 디지털 신호(DS)가 시프트 레지스터(SR)의 입력에 전송되고, 시프트 레지스터의 출력(T0, T1)에서의 신호와 전류센서(SF)의 출력 신호가 논리회로에서 서로 접속되어 있으며, 논리회로의 출력으로부터의 제어신호가 제어 가능한 스위치(S1, S2, S3, S4)에 전송되는 것을 특징으로 하는 회로.
- 제7항에 있어서, 시프트 레지스터(SR)의 제1 출력(TO)은 제1 AND-게이트(U1)의 제1 입력과 접속되고 제1 인버터(I1)를 통해 제2 AND-게이트(U2)의 제1 입력과 접속되며 ; 시프트 레지스터(SR)의 제2 출력(T1)은 제2 AND-게이트(U2)의 제2 입력과 접속되고 제2 인버터(i2)를 통해 제1 AND-게이트(U1)의 제2 입력과 접속되며 ; 제1 AND-게이트(U1)의 출력은 제3 인버터(I3)의 입력에 접속되고 제2 커패시터(C2)를 통해 제1 RS-플립플롭(F1)의 세트 입력과 접속되며 ; 제2 AND-게이트(U2)의 출력은 제4 인버터(I4)의 입력에 접속되고 제3 커패시터(C3)를 통해 제2 RS-플립플롭(F2)의 세트 입력과 접속되며 ; 제1 RS-플립플롭(F1)의 세트입력은 제1 저항(R1) 및 제6 다이오드(D6)로 구성된 병렬회로를 통해 기준전압에 접속되며 ; 제2 RS-플립플롭(F2)의 세트입력은 제2 저항(R2) 및 제7 다이오드(D7)로 구성된 병렬회로를 통해 기준전압에 접속되며 ; 전류센서(SF)의 출력은 제1 및 제2 RS-플립플롭(F1, F2)의 리세트 입력과 접속되며 ; 제3 인버터(I3)의 출력은 제어 가능한 제1 스위치(S1)의 제어입력과 접속되며, 제4 인버터(I4)의 출력은 제어 가능한 제2 스위치(S2)의 제어입력과 접속되며 ; 제1 RS-플립플롭의 Q-출력은 제어 가능한 제3 스위치(S3)의 제어입력과 접속되고 제2 RS-플립플롭(F2)의 Q-출력은 제어 가능한 제4 스위치(S4)의 제어입력과 접속되는 것을 특징으로 하는 회로.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3907057.3 | 1989-03-04 | ||
DE3907057A DE3907057A1 (de) | 1989-03-04 | 1989-03-04 | Schaltungsanordnung zur umkehrung eines magnetfeldes |
DEP39070573 | 1989-03-04 | ||
PCT/EP1990/000297 WO1990010290A1 (de) | 1989-03-04 | 1990-02-22 | Schaltungsanordnung zur umkehrung eines magnetfeldes |
Publications (2)
Publication Number | Publication Date |
---|---|
KR920700450A KR920700450A (ko) | 1992-02-19 |
KR0168847B1 true KR0168847B1 (ko) | 1999-03-20 |
Family
ID=6375582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019900702379A KR0168847B1 (ko) | 1989-03-04 | 1990-02-22 | 자계의 방향을 전환시키기 위한 회로 |
Country Status (12)
Country | Link |
---|---|
US (1) | US5220467A (ko) |
EP (1) | EP0461132B1 (ko) |
JP (1) | JP2807082B2 (ko) |
KR (1) | KR0168847B1 (ko) |
CN (2) | CN1020013C (ko) |
AT (1) | ATE93079T1 (ko) |
AU (1) | AU5109590A (ko) |
DE (2) | DE3907057A1 (ko) |
DK (1) | DK0461132T3 (ko) |
ES (1) | ES2044563T3 (ko) |
HK (1) | HK183396A (ko) |
WO (1) | WO1990010290A1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101285110B1 (ko) * | 2012-02-08 | 2013-07-17 | 김종훈 | 에코 힐링 저주파 자계 생성 장치 |
Families Citing this family (13)
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 |
KR101516735B1 (ko) * | 2013-06-25 | 2015-05-04 | 신명섭 | 다목적 회전구조물 |
Family Cites Families (7)
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 (ko) * | 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 |
-
1989
- 1989-03-04 DE DE3907057A patent/DE3907057A1/de not_active Withdrawn
-
1990
- 1990-02-22 JP JP2503609A patent/JP2807082B2/ja not_active Expired - Lifetime
- 1990-02-22 KR KR1019900702379A patent/KR0168847B1/ko not_active IP Right Cessation
- 1990-02-22 AT AT90903369T patent/ATE93079T1/de not_active IP Right Cessation
- 1990-02-22 EP EP90903369A patent/EP0461132B1/de not_active Expired - Lifetime
- 1990-02-22 DE DE9090903369T patent/DE59002336D1/de not_active Expired - Lifetime
- 1990-02-22 ES ES90903369T patent/ES2044563T3/es not_active Expired - Lifetime
- 1990-02-22 AU AU51095/90A patent/AU5109590A/en not_active Abandoned
- 1990-02-22 DK DK90903369.8T patent/DK0461132T3/da active
- 1990-02-22 WO PCT/EP1990/000297 patent/WO1990010290A1/de active IP Right Grant
- 1990-03-03 CN CN90101123A patent/CN1020013C/zh not_active Expired - Lifetime
- 1990-11-01 CN CN90108875A patent/CN1054864A/zh active Pending
-
1991
- 1991-07-19 US US07/720,797 patent/US5220467A/en not_active Expired - Lifetime
-
1996
- 1996-10-03 HK HK183396A patent/HK183396A/xx not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101285110B1 (ko) * | 2012-02-08 | 2013-07-17 | 김종훈 | 에코 힐링 저주파 자계 생성 장치 |
Also Published As
Publication number | Publication date |
---|---|
CN1020013C (zh) | 1993-03-03 |
DE59002336D1 (de) | 1993-09-16 |
ES2044563T3 (es) | 1994-01-01 |
KR920700450A (ko) | 1992-02-19 |
DE3907057A1 (de) | 1990-09-13 |
HK183396A (en) | 1996-10-11 |
AU5109590A (en) | 1990-09-26 |
JP2807082B2 (ja) | 1998-09-30 |
CN1054684A (zh) | 1991-09-18 |
JPH04504022A (ja) | 1992-07-16 |
EP0461132A1 (de) | 1991-12-18 |
CN1054864A (zh) | 1991-09-25 |
US5220467A (en) | 1993-06-15 |
ATE93079T1 (de) | 1993-08-15 |
EP0461132B1 (de) | 1993-08-11 |
DK0461132T3 (da) | 1993-10-18 |
WO1990010290A1 (de) | 1990-09-07 |
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