JPH0574133B2 - - Google Patents
Info
- Publication number
- JPH0574133B2 JPH0574133B2 JP58169486A JP16948683A JPH0574133B2 JP H0574133 B2 JPH0574133 B2 JP H0574133B2 JP 58169486 A JP58169486 A JP 58169486A JP 16948683 A JP16948683 A JP 16948683A JP H0574133 B2 JPH0574133 B2 JP H0574133B2
- Authority
- JP
- Japan
- Prior art keywords
- sleeve
- optical device
- coils
- coil
- magnetic field
- 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
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
Landscapes
- Optical Recording Or Reproduction (AREA)
- Lens Barrels (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE32342888 | 1982-09-16 | ||
DE3234288A DE3234288C2 (de) | 1982-09-16 | 1982-09-16 | Optische Vorrichtung zur Lenkung bzw. Ausrichtung eines Strahlenbündels |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5972658A JPS5972658A (ja) | 1984-04-24 |
JPH0574133B2 true JPH0574133B2 (en]) | 1993-10-15 |
Family
ID=6173328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58169486A Granted JPS5972658A (ja) | 1982-09-16 | 1983-09-16 | 放射ビ−ムを偏向又は位置調整する光学装置 |
Country Status (4)
Country | Link |
---|---|
US (1) | US4602848A (en]) |
EP (1) | EP0103929B1 (en]) |
JP (1) | JPS5972658A (en]) |
DE (2) | DE3234288C2 (en]) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3315848A1 (de) * | 1983-04-30 | 1984-10-31 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Aktuatorvorrichtung an schreib- und lesegeraeten zur staendigen korrektur der raeumlichen stellung eines schreib- oder lesemittels, insbesondere eines strahlenbuendels |
NL8501665A (nl) * | 1985-06-10 | 1987-01-02 | Philips Nv | Optische aftasteenheid met positie- en standdetektiestelsel voor een elektromagnetisch gelagerd objektief. |
EP0215498B1 (de) * | 1985-08-14 | 1992-01-02 | Philips Patentverwaltung GmbH | Optische Abtasteinheit |
DE3683221D1 (de) * | 1985-08-14 | 1992-02-13 | Philips Patentverwaltung | Optische abtasteinheit. |
NL8600168A (nl) * | 1986-01-27 | 1987-08-17 | Philips Nv | Optische aftasteenheid. |
JPS6325841A (ja) * | 1986-07-17 | 1988-02-03 | Matsushita Electric Ind Co Ltd | 光ヘツド |
US4874998A (en) * | 1987-06-11 | 1989-10-17 | International Business Machines Corporation | Magnetically levitated fine motion robot wrist with programmable compliance |
DE3828146A1 (de) * | 1988-08-19 | 1990-02-22 | Philips Patentverwaltung | Elektrodynamischer aktuator fuer eine optische einschreib- und ausleseeinheit |
JP2834832B2 (ja) * | 1990-03-15 | 1998-12-14 | 松下電工株式会社 | 姿勢制御装置 |
DE4019405A1 (de) * | 1990-06-18 | 1991-12-19 | Focus Messtechnik Gmbh & Co Kg | Optischer abtastkopf |
DE4135908A1 (de) * | 1991-10-31 | 1993-05-06 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen, De | Aktuatoranordnung |
US5847474A (en) * | 1994-12-05 | 1998-12-08 | Itt Automotive Electrical Systems, Inc. | Lorentz force actuator |
US5952744A (en) * | 1996-03-28 | 1999-09-14 | Anoiad Corporation | Rotary-linear actuator |
US6137195A (en) * | 1996-03-28 | 2000-10-24 | Anorad Corporation | Rotary-linear actuator |
US7218017B1 (en) | 1996-06-24 | 2007-05-15 | Anorad Corporation | System and method to control a rotary-linear actuator |
FR2786311B1 (fr) * | 1998-11-20 | 2001-01-19 | Moving Magnet Tech | Actionneurs bidirectionnels |
JP6287546B2 (ja) * | 2014-04-25 | 2018-03-07 | ミツミ電機株式会社 | アクチュエータ及びエアポンプ、理美容機器及びレーザー走査機器 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3243238A (en) * | 1962-07-20 | 1966-03-29 | Lyman Joseph | Magnetic suspension |
GB1063299A (en) * | 1963-10-25 | 1967-03-30 | Ass Elect Ind | Electric vector product generator |
US3745433A (en) * | 1971-02-02 | 1973-07-10 | Teletype Corp | Rotary & linear magnetomotive positioning mechanism |
US3851196A (en) * | 1971-09-08 | 1974-11-26 | Xynetics Inc | Plural axis linear motor structure |
NL7703232A (nl) * | 1977-03-25 | 1978-09-27 | Philips Nv | Optische aftastinrichting. |
JPS5826087B2 (ja) * | 1977-07-25 | 1983-05-31 | 日本ビクター株式会社 | 光学的情報記録媒体円盤の再生装置 |
US4421997A (en) * | 1978-09-18 | 1983-12-20 | Mcdonnell Douglas Corporation | Multiple axis actuator |
JPS56132157A (en) * | 1980-03-19 | 1981-10-16 | Hitachi Ltd | Multiple-shaft actuator |
JPS576444A (en) * | 1980-06-16 | 1982-01-13 | Olympus Optical Co Ltd | Objective lens driving device |
NL8004380A (nl) * | 1980-07-31 | 1982-03-01 | Philips Nv | Optische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen. |
JPS5750333A (en) * | 1980-09-11 | 1982-03-24 | Victor Co Of Japan Ltd | Electromagnetic driving device |
JPS5766536A (en) * | 1980-10-14 | 1982-04-22 | Victor Co Of Japan Ltd | Reading lens device |
GB2088646B (en) * | 1980-10-24 | 1984-09-12 | Sony Corp | Pick-up assemblies for disc players |
NL8103305A (nl) * | 1981-07-10 | 1983-02-01 | Philips Nv | Opto-elektronische inrichting voor het met een stralingsbundel inschrijven en/of uitlezen van registratiesporen. |
JPS5845631A (ja) * | 1981-09-10 | 1983-03-16 | Pioneer Video Corp | 記録情報読取装置における光学系駆動装置 |
NL8104589A (nl) * | 1981-10-08 | 1983-05-02 | Philips Nv | Optische aftasteenheid. |
US4514674A (en) * | 1983-12-22 | 1985-04-30 | International Business Machines Corporation | Electromagnetic X-Y-Theta precision positioner |
-
1982
- 1982-09-16 DE DE3234288A patent/DE3234288C2/de not_active Expired
-
1983
- 1983-09-13 EP EP83201310A patent/EP0103929B1/de not_active Expired - Lifetime
- 1983-09-13 DE DE8383201310T patent/DE3381213D1/de not_active Expired - Lifetime
- 1983-09-16 JP JP58169486A patent/JPS5972658A/ja active Granted
-
1985
- 1985-05-31 US US06/740,292 patent/US4602848A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5972658A (ja) | 1984-04-24 |
EP0103929A2 (de) | 1984-03-28 |
EP0103929A3 (en) | 1986-10-08 |
EP0103929B1 (de) | 1990-02-07 |
DE3234288C2 (de) | 1984-07-26 |
DE3381213D1 (de) | 1990-03-15 |
US4602848A (en) | 1986-07-29 |
DE3234288A1 (de) | 1984-03-22 |
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