DE4192604D2 - Schaltungsanordnung zur abtastung optischer aufzeichnungstraeger - Google Patents
Schaltungsanordnung zur abtastung optischer aufzeichnungstraegerInfo
- Publication number
- DE4192604D2 DE4192604D2 DE91DE9100746D DE4192604D DE4192604D2 DE 4192604 D2 DE4192604 D2 DE 4192604D2 DE 91DE9100746 D DE91DE9100746 D DE 91DE9100746D DE 4192604 D DE4192604 D DE 4192604D DE 4192604 D2 DE4192604 D2 DE 4192604D2
- Authority
- DE
- Germany
- Prior art keywords
- aufzeichnungstraeger
- optischer
- schaltungsanordnung zur
- zur abtastung
- abtastung
- 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 - Fee Related
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
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B7/0946—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 specially adapted for operation during external perturbations not related to the carrier or servo beam, e.g. vibration
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4032871A DE4032871A1 (de) | 1990-10-17 | 1990-10-17 | Schaltungsanordnung zur abtastung optischer aufzeichnungstraeger |
PCT/DE1991/000746 WO1992007357A1 (de) | 1990-10-17 | 1991-09-19 | Schaltungsanordnung zur abtastung optischer aufzeichnungsträger |
Publications (1)
Publication Number | Publication Date |
---|---|
DE4192604D2 true DE4192604D2 (en) | 1993-05-13 |
Family
ID=6416412
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4032871A Withdrawn DE4032871A1 (de) | 1990-10-17 | 1990-10-17 | Schaltungsanordnung zur abtastung optischer aufzeichnungstraeger |
DE4192604A Expired - Fee Related DE4192604C1 (de) | 1990-10-17 | 1991-09-19 | Schaltungsanordnung zur Abtastung optischer Aufzeichnungsträger |
DE91DE9100746D Expired - Fee Related DE4192604D2 (en) | 1990-10-17 | 1991-09-19 | Schaltungsanordnung zur abtastung optischer aufzeichnungstraeger |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE4032871A Withdrawn DE4032871A1 (de) | 1990-10-17 | 1990-10-17 | Schaltungsanordnung zur abtastung optischer aufzeichnungstraeger |
DE4192604A Expired - Fee Related DE4192604C1 (de) | 1990-10-17 | 1991-09-19 | Schaltungsanordnung zur Abtastung optischer Aufzeichnungsträger |
Country Status (5)
Country | Link |
---|---|
US (1) | US5343459A (de) |
JP (1) | JP3193043B2 (de) |
KR (1) | KR100215148B1 (de) |
DE (3) | DE4032871A1 (de) |
WO (1) | WO1992007357A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4218219C2 (de) * | 1992-06-03 | 1998-05-07 | Geyer Medizin Und Fertigungste | Vorrichtung zum berührungslosen Vermessen eines schlecht zugänglichen, dreidimensionalen medizinischen oder zahntechnischen Objektes |
JPH07130080A (ja) * | 1993-11-02 | 1995-05-19 | Olympus Optical Co Ltd | 情報記録装置 |
DE19640870A1 (de) * | 1996-10-04 | 1998-04-09 | Thomson Brandt Gmbh | Aufzeichnungs- oder Wiedergabegerät für optische Informationsträger mit einem Servo-Regelkreis und Verfahren zur Fehlersignalbehandlung in einem solchen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4574371A (en) * | 1982-02-20 | 1986-03-04 | Olympus Optical Company Limited | Apparatus for recording and reproducing information on an optical disc |
JPS59146069A (ja) * | 1983-02-08 | 1984-08-21 | Canon Inc | 光源安定化装置 |
DE3590327C2 (de) * | 1984-07-05 | 1992-02-13 | Ricoh Kk | Verfahren zum Regeln der Temperatur eines Halbleiterlasers in einer optischen Abtasteinrichtung |
JPS6190540A (ja) * | 1984-10-09 | 1986-05-08 | Olympus Optical Co Ltd | 光出力安定化装置 |
US4817098A (en) * | 1985-05-17 | 1989-03-28 | Fuji Photo Film Co., Ltd. | Semiconductor laser driver system |
JPS61265885A (ja) * | 1985-05-20 | 1986-11-25 | Nec Corp | 半導体レ−ザ及びその駆動方法 |
JPH0758556B2 (ja) * | 1988-03-22 | 1995-06-21 | アルパイン株式会社 | 光学式ディスクプレーヤ |
EP0387052B1 (de) * | 1989-03-09 | 1995-09-20 | Canon Kabushiki Kaisha | Magnetooptisches Aufzeichnungsgerät mit Mitteln zur Verzögerung des Eingangssignales zur Verhinderung von Bitverschiebung |
KR100254716B1 (ko) * | 1990-04-05 | 2000-05-01 | 이데이 노부유끼 | 광학식 디스크상의 정보기록 및 재생장치 |
-
1990
- 1990-10-17 DE DE4032871A patent/DE4032871A1/de not_active Withdrawn
-
1991
- 1991-09-19 WO PCT/DE1991/000746 patent/WO1992007357A1/de active Application Filing
- 1991-09-19 DE DE4192604A patent/DE4192604C1/de not_active Expired - Fee Related
- 1991-09-19 KR KR1019930700987A patent/KR100215148B1/ko not_active IP Right Cessation
- 1991-09-19 US US08/039,265 patent/US5343459A/en not_active Expired - Lifetime
- 1991-09-19 JP JP51543591A patent/JP3193043B2/ja not_active Expired - Fee Related
- 1991-09-19 DE DE91DE9100746D patent/DE4192604D2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH06501806A (ja) | 1994-02-24 |
WO1992007357A1 (de) | 1992-04-30 |
US5343459A (en) | 1994-08-30 |
KR100215148B1 (ko) | 1999-08-16 |
DE4192604C1 (de) | 1996-12-05 |
JP3193043B2 (ja) | 2001-07-30 |
DE4032871A1 (de) | 1992-04-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE4190756D2 (en) | Mikrotom | |
DE69125252D1 (en) | Röntgentherapie-simulatormachine | |
DE69214155D1 (en) | Externes fixationsgeraet zur osteosynthese | |
EP0440282A3 (en) | Sensormatrix | |
DE69126781D1 (en) | Fabry-perot-modulator | |
EP0463302A3 (en) | Pinchcock | |
DE69116171D1 (en) | Photo- und biologisch-abbaubare polyethen-copolymere | |
DE69127252D1 (en) | Linearlager | |
EP0465262A3 (en) | Polysilethylenesiloxane | |
DE4092449D2 (de) | Taschenfederkernmatratze | |
AU111085S (en) | Sunlounger | |
EP0442596A3 (en) | Echelle-polychromator | |
DE4191708D2 (en) | Festkoerperlaser | |
EP0458340A3 (en) | Slitterscorer | |
CS262591A3 (en) | Indolonaphthyridines | |
EP0444458A3 (en) | Pulsdopplerradar | |
EP0442511A3 (en) | Allen-key | |
EP0441276A3 (en) | Electrophotoreceptor | |
DE4192604D2 (en) | Schaltungsanordnung zur abtastung optischer aufzeichnungstraeger | |
DE4092685D2 (en) | Mehrkomponenten-kleb- und -werkstoffverarbeitungssystem | |
EP0447954A3 (en) | Spray-station | |
EP0464900A3 (en) | 2-biphenyl-carbapenems | |
EP0439820A3 (en) | Vacuumswitch | |
EP0442371A3 (en) | Bisglycosides | |
EP0445577A3 (en) | Polyperylenes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |