JPH0528074B2 - - Google Patents
Info
- Publication number
- JPH0528074B2 JPH0528074B2 JP61237385A JP23738586A JPH0528074B2 JP H0528074 B2 JPH0528074 B2 JP H0528074B2 JP 61237385 A JP61237385 A JP 61237385A JP 23738586 A JP23738586 A JP 23738586A JP H0528074 B2 JPH0528074 B2 JP H0528074B2
- Authority
- JP
- Japan
- Prior art keywords
- motor
- encoder
- magnetic field
- rotational
- rotational displacement
- 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 - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims description 22
- 238000010586 diagram Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects 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
- 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
- G11B11/1055—Disposition or mounting of transducers relative to record carriers
- G11B11/10556—Disposition or mounting of transducers relative to record carriers with provision for moving or switching or masking the transducers in or out of their operative position
- G11B11/1056—Switching or mechanically reversing the magnetic field generator
Landscapes
- Control Of Position Or Direction (AREA)
- Stopping Of Electric Motors (AREA)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61237385A JPS6392281A (ja) | 1986-10-06 | 1986-10-06 | 補助磁場位置決め装置 |
| DE87308864T DE3787063T2 (de) | 1986-10-06 | 1987-10-06 | Zusätzliches Magnetfeld-Postionierungsgerät. |
| EP87308864A EP0263685B1 (en) | 1986-10-06 | 1987-10-06 | Extra magnetic field positioning apparatus |
| US07/104,968 US4864125A (en) | 1986-10-06 | 1987-10-06 | Extra magnetic field positioning apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61237385A JPS6392281A (ja) | 1986-10-06 | 1986-10-06 | 補助磁場位置決め装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6392281A JPS6392281A (ja) | 1988-04-22 |
| JPH0528074B2 true JPH0528074B2 (US20080094685A1-20080424-C00004.png) | 1993-04-23 |
Family
ID=17014604
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61237385A Granted JPS6392281A (ja) | 1986-10-06 | 1986-10-06 | 補助磁場位置決め装置 |
Country Status (4)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0372315U (US20080094685A1-20080424-C00004.png) * | 1989-11-20 | 1991-07-22 | ||
| GB2319079B (en) * | 1996-10-29 | 2000-07-12 | Baxter Int | Infusion pump monitoring encoder/decoder |
| DE19823379A1 (de) * | 1998-05-14 | 1999-11-25 | Mannesmann Ag | Signalgeber für die Drehzahl- und Drehrichtungsermittlung von Elektromotoren |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217005A (ja) * | 1982-06-11 | 1983-12-16 | Fujitsu Ltd | ロボツトの原点検出装置 |
| JPS5954003A (ja) * | 1982-09-21 | 1984-03-28 | Sharp Corp | 熱磁気記録装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2049349A5 (US20080094685A1-20080424-C00004.png) * | 1969-06-06 | 1971-03-26 | Electro Synthese Labo | |
| DE2716411C3 (de) * | 1977-04-13 | 1981-11-12 | Siemens AG, 1000 Berlin und 8000 München | Anordnung zur Erzeugung von Drehbewegungen um einen vorgebbaren Winkel mit Hilfe eines Gleichstrommotors |
| DE2813855A1 (de) * | 1978-03-31 | 1979-10-11 | Ncr Co | Positionierregelungssystem fuer einen gleichstrommotorisch angetriebenen transportmechanismus |
| JPS56121108A (en) * | 1980-02-27 | 1981-09-22 | Nec Corp | Positioning method |
| CH656266A5 (fr) * | 1982-09-22 | 1986-06-13 | Claude Gillieron | Dispositif pour la commande d'un moteur a courant continu. |
| US4514674A (en) * | 1983-12-22 | 1985-04-30 | International Business Machines Corporation | Electromagnetic X-Y-Theta precision positioner |
| ES529123A0 (es) * | 1984-01-24 | 1984-10-01 | Carrio Llopis Miguel | Motor optoelectromagnetico |
| JPS61143202U (US20080094685A1-20080424-C00004.png) * | 1985-02-19 | 1986-09-04 |
-
1986
- 1986-10-06 JP JP61237385A patent/JPS6392281A/ja active Granted
-
1987
- 1987-10-06 EP EP87308864A patent/EP0263685B1/en not_active Expired - Lifetime
- 1987-10-06 US US07/104,968 patent/US4864125A/en not_active Expired - Lifetime
- 1987-10-06 DE DE87308864T patent/DE3787063T2/de not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58217005A (ja) * | 1982-06-11 | 1983-12-16 | Fujitsu Ltd | ロボツトの原点検出装置 |
| JPS5954003A (ja) * | 1982-09-21 | 1984-03-28 | Sharp Corp | 熱磁気記録装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0263685A3 (en) | 1989-07-26 |
| EP0263685B1 (en) | 1993-08-18 |
| DE3787063D1 (de) | 1993-09-23 |
| EP0263685A2 (en) | 1988-04-13 |
| US4864125A (en) | 1989-09-05 |
| JPS6392281A (ja) | 1988-04-22 |
| DE3787063T2 (de) | 1993-12-09 |
