DE3373155D1 - Apparatus for recording and/or reading information on an optically readable disc - Google Patents
Apparatus for recording and/or reading information on an optically readable discInfo
- Publication number
- DE3373155D1 DE3373155D1 DE8383201437T DE3373155T DE3373155D1 DE 3373155 D1 DE3373155 D1 DE 3373155D1 DE 8383201437 T DE8383201437 T DE 8383201437T DE 3373155 T DE3373155 T DE 3373155T DE 3373155 D1 DE3373155 D1 DE 3373155D1
- Authority
- DE
- Germany
- Prior art keywords
- recording
- reading information
- optically readable
- readable disc
- disc
- 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
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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8300540 | 1983-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3373155D1 true DE3373155D1 (en) | 1987-09-24 |
Family
ID=19841410
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8383201437T Expired DE3373155D1 (en) | 1983-02-14 | 1983-10-07 | Apparatus for recording and/or reading information on an optically readable disc |
Country Status (8)
Country | Link |
---|---|
US (2) | US4504935A (de) |
EP (1) | EP0118626B1 (de) |
JP (1) | JPS59148153A (de) |
CA (1) | CA1213048A (de) |
DE (1) | DE3373155D1 (de) |
ES (1) | ES526601A0 (de) |
HK (1) | HK34989A (de) |
SG (1) | SG27888G (de) |
Families Citing this family (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USRE33548E (en) * | 1983-03-30 | 1991-03-05 | Mitsubishi Denki Kabushiki Kaisha | Deviation correction apparatus for optical disc light beams |
US4566089A (en) * | 1983-03-30 | 1986-01-21 | Mitsubishi Denki Kabushiki Kaisha | Deviation correction apparatus for optical disc light beams |
WO1984004841A1 (en) * | 1983-05-31 | 1984-12-06 | Matsushita Electric Ind Co Ltd | Apparatus for driving objective lens of optical disc player |
JPS613562U (ja) * | 1984-06-06 | 1986-01-10 | アルプス電気株式会社 | デイスクプレ−ヤのピツクアツプ駆動装置 |
NL8402777A (nl) * | 1984-09-12 | 1986-04-01 | Philips Nv | Lensdrager ten behoeve van een electrodynamische inrichting voor het met een stralingsvlek inschrijven en/of aftasten van optische platen, alsmede een werkwijze voor het vervaardigen van een lensdrager. |
US4704712A (en) * | 1985-06-24 | 1987-11-03 | Rca Corporation | Low-friction slide apparatus for optical disc translation stage |
JPS6214331A (ja) * | 1985-07-12 | 1987-01-22 | Oki Electric Ind Co Ltd | 光学ヘツド |
US4813033A (en) * | 1985-10-30 | 1989-03-14 | International Business Machines Corporation | Two axis electromagnetic actuator with axis balanced suspension |
JPH0736231B2 (ja) * | 1985-11-05 | 1995-04-19 | 沖電気工業株式会社 | 光学ヘツド |
US4823336A (en) * | 1986-02-14 | 1989-04-18 | Ricoh Company, Limited | Optical disk drive |
US4763314A (en) * | 1986-08-13 | 1988-08-09 | Optimem | Linear actuator for an optical disk storage apparatus |
JPH0719382B2 (ja) * | 1986-08-20 | 1995-03-06 | 沖電気工業株式会社 | 対物レンズ駆動装置 |
US4922477A (en) * | 1987-05-30 | 1990-05-01 | Nec Home Electronics Ltd. | Optical head unit |
US4856871A (en) * | 1987-08-31 | 1989-08-15 | General Electric Company | Replaceable laser and lens assembly |
JPH01263978A (ja) * | 1988-04-14 | 1989-10-20 | Matsushita Electric Ind Co Ltd | 情報トラックの検索装置 |
US4945526A (en) * | 1988-10-18 | 1990-07-31 | Laser Magnetic Storage International Company | Actuator assembly for optical disk systems |
US5023861A (en) * | 1988-12-20 | 1991-06-11 | Literal Corporation | Single stage tracking actuator apparatus for optical beam information storage drive system |
EP0617417B1 (de) * | 1989-02-10 | 1997-04-16 | Kabushiki Kaisha Toshiba | Gerät zum Antreiben einer Objektivlinse |
US4956735A (en) * | 1989-05-08 | 1990-09-11 | Hewlett-Packard Company | Actuator magnetic circuit |
KR920002933B1 (ko) * | 1989-05-25 | 1992-04-10 | 삼성전자 주식회사 | 광학적 정보기록 재생장치의 광 픽업구동장치 |
US5265079A (en) | 1991-02-15 | 1993-11-23 | Applied Magnetics Corporation | Seek actuator for optical recording |
US5136558A (en) * | 1989-06-20 | 1992-08-04 | Applied Magnetics Corporation | Two axis electromagnetic actuator |
US6141300A (en) * | 1989-06-20 | 2000-10-31 | Discovision Associates | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same |
JPH0323523A (ja) * | 1989-06-21 | 1991-01-31 | Sony Corp | 光学ヘッド装置 |
EP0405604B1 (de) * | 1989-06-30 | 1996-04-10 | Fuji Xerox Co., Ltd. | Magnetooptisches Aufzeichnungs-/Wiedergabegerät |
US5107372A (en) * | 1989-09-06 | 1992-04-21 | Daniel Gelbart | Focus servo actuator for moving lens scanners |
JPH03113757A (ja) * | 1989-09-22 | 1991-05-15 | Pioneer Electron Corp | 光磁気ディスクプレーヤ |
JPH03113758A (ja) * | 1989-09-22 | 1991-05-15 | Pioneer Electron Corp | 光磁気ディスクプレーヤ |
JP2937262B2 (ja) * | 1989-11-27 | 1999-08-23 | オリンパス光学工業株式会社 | 光学系駆動装置 |
JP2808767B2 (ja) * | 1989-12-28 | 1998-10-08 | 富士ゼロックス株式会社 | 光ディスク装置 |
JPH03254425A (ja) * | 1990-01-31 | 1991-11-13 | Ricoh Co Ltd | 光ディスクドライブ装置 |
JP2870112B2 (ja) * | 1990-04-13 | 1999-03-10 | 三菱電機株式会社 | フレキシブルディスク装置 |
JP2793698B2 (ja) * | 1990-06-18 | 1998-09-03 | 株式会社リコー | フオーカスオフセット補正方法 |
US5245174A (en) * | 1990-10-15 | 1993-09-14 | Applied Magnetics Corporation | Focus sensing apparatus utilizing a reflecting surface having variable reflectivity |
GB2248989B (en) * | 1990-10-15 | 1995-05-24 | Applied Magnetics Corp | Focus sensing apparatus and method |
US5313332A (en) * | 1990-11-16 | 1994-05-17 | Applied Magnetics Corporation | Flexure suspension for two axis actuator |
US5677899A (en) * | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
US5808980A (en) * | 1991-02-15 | 1998-09-15 | Discovision Associates | Seek actuator for optical recording |
US5729511A (en) * | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
US6069857A (en) * | 1991-02-15 | 2000-05-30 | Discovision Associates | Optical disc system having improved circuitry for performing blank sector check on readable disc |
US6236625B1 (en) | 1991-02-15 | 2001-05-22 | Discovision Associates | Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
JPH056557A (ja) * | 1991-06-28 | 1993-01-14 | Toshiba Corp | 光学装置 |
US5177640A (en) * | 1991-10-08 | 1993-01-05 | Applied Magnetics Corporation | Two-axis moving coil actuator |
US5220222A (en) * | 1991-12-23 | 1993-06-15 | Eastman Kodak Company | Magnetic bushings for an optical access actuator |
JP3116287B2 (ja) * | 1992-02-03 | 2000-12-11 | 株式会社リコー | 光学式情報記録再生装置 |
JP3317997B2 (ja) * | 1992-06-03 | 2002-08-26 | 株式会社リコー | 対物レンズ駆動装置 |
US5381288A (en) * | 1992-06-16 | 1995-01-10 | Applied Magnetics Corporation, Inc. | Center moment suspension assembly |
US5278820A (en) * | 1992-09-28 | 1994-01-11 | Eastman Kodak Company | Apparatus and method for a radial access mechanism for a disk player/recorder |
KR100200808B1 (ko) * | 1992-11-30 | 1999-06-15 | 윤종용 | 광픽업 구동장치 |
JP2762930B2 (ja) * | 1994-06-14 | 1998-06-11 | 日本電気株式会社 | 薄型内周外周アクセス光ヘッド |
JPH0821946A (ja) * | 1994-07-08 | 1996-01-23 | Minolta Co Ltd | 電気−機械変換素子を使用したレンズ装置駆動機構 |
US5920539A (en) * | 1995-01-25 | 1999-07-06 | Discovision Associates | Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
US6434087B1 (en) | 1995-01-25 | 2002-08-13 | Discovision Associates | Optical disc system and method for controlling bias coil and light source to process information on a storage medium |
US5748578A (en) * | 1995-01-25 | 1998-05-05 | Discovision Associates | Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
US6091684A (en) * | 1995-01-25 | 2000-07-18 | Discovision Associates | Optical disc system and method for changing the rotational rate of an information storage medium |
US5745470A (en) * | 1995-05-31 | 1998-04-28 | Kabushiki Kaisha Toshiba | Head moving apparatus which cancels leakage flux |
US6549507B1 (en) * | 1999-06-11 | 2003-04-15 | Acute Applied Technologies, Inc. | Apparatus with ring shape sleeves |
JP4395694B2 (ja) * | 2001-06-14 | 2010-01-13 | ソニー株式会社 | 対物レンズ駆動装置及びこれを備えたディスクドライブ装置 |
DE102005010868A1 (de) * | 2005-03-07 | 2006-09-14 | Deutsche Thomson-Brandt Gmbh | Abtasteinrichtung für optische Speichermedien |
CA2932455C (en) * | 2013-12-31 | 2018-05-01 | Halliburton Energy Services, Inc. | Geophone with tunable resonance frequency |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2964903A (en) * | 1958-05-09 | 1960-12-20 | Gen Electric | Thermal positioning device |
NL7402768A (nl) * | 1974-02-28 | 1975-09-01 | Philips Nv | Inrichting voor het schrijven en/of weergeven van informatie in respektievelijk van een draaiende schijfvormige registratiedrager. |
NL164689C (nl) * | 1975-03-10 | 1981-01-15 | Philips Nv | Optische focusseerinrichting voor het focusseren van een stralingsbundel. |
JPS5718035A (en) * | 1980-07-03 | 1982-01-29 | Matsushita Electric Ind Co Ltd | Optical recording and reproducing device |
JPS57122030U (de) * | 1981-01-26 | 1982-07-29 | ||
JPS57147143A (en) * | 1981-03-07 | 1982-09-10 | Olympus Optical Co Ltd | Objective lens driving device |
JPS583139A (ja) * | 1981-06-29 | 1983-01-08 | Toshiba Corp | 光デイスク用光学ヘツドの駆動機構 |
JP2563180B2 (ja) * | 1987-07-27 | 1996-12-11 | 日本電信電話株式会社 | 半導体装置の製造方法 |
-
1983
- 1983-04-11 US US06/483,804 patent/US4504935A/en not_active Expired - Fee Related
- 1983-10-07 DE DE8383201437T patent/DE3373155D1/de not_active Expired
- 1983-10-07 EP EP83201437A patent/EP0118626B1/de not_active Expired
- 1983-10-19 CA CA000439258A patent/CA1213048A/en not_active Expired
- 1983-10-20 ES ES526601A patent/ES526601A0/es active Granted
- 1983-11-17 JP JP58215152A patent/JPS59148153A/ja active Granted
-
1984
- 1984-02-07 US US06/578,382 patent/US4607913A/en not_active Expired - Fee Related
-
1988
- 1988-04-25 SG SG278/88A patent/SG27888G/en unknown
-
1989
- 1989-04-27 HK HK349/89A patent/HK34989A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
ES8406768A1 (es) | 1984-07-01 |
ES526601A0 (es) | 1984-07-01 |
SG27888G (en) | 1988-09-30 |
US4607913A (en) | 1986-08-26 |
CA1213048A (en) | 1986-10-21 |
HK34989A (en) | 1989-05-05 |
US4504935A (en) | 1985-03-12 |
JPS59148153A (ja) | 1984-08-24 |
EP0118626A1 (de) | 1984-09-19 |
EP0118626B1 (de) | 1987-08-19 |
JPH0580052B2 (de) | 1993-11-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL |
|
8339 | Ceased/non-payment of the annual fee |