SE7702949L - Elektriskt styrd instellningsanordning for ett ljusknippe med digital och analog avlenkningsstyrning - Google Patents
Elektriskt styrd instellningsanordning for ett ljusknippe med digital och analog avlenkningsstyrningInfo
- Publication number
- SE7702949L SE7702949L SE7702949A SE7702949A SE7702949L SE 7702949 L SE7702949 L SE 7702949L SE 7702949 A SE7702949 A SE 7702949A SE 7702949 A SE7702949 A SE 7702949A SE 7702949 L SE7702949 L SE 7702949L
- Authority
- SE
- Sweden
- Prior art keywords
- digital
- light deflector
- bullet
- analogue
- adjustment device
- Prior art date
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
- G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
-
- 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
-
- 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
- G11B7/0901—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 for track following only
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2611617A DE2611617C2 (de) | 1976-03-19 | 1976-03-19 | Elektrisch gesteuerte Einstellvorrichtung für einen digital und analog ablenkgesteuerten Lichtstrahl |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7702949L true SE7702949L (sv) | 1977-09-20 |
| SE418341B SE418341B (sv) | 1981-05-18 |
Family
ID=5972883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7702949A SE418341B (sv) | 1976-03-19 | 1977-03-16 | Elektriskt styrd instellningsanordning for ett ljusknippe med digital och analog avlenkningsstyrning |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US4123147A (sv) |
| JP (2) | JPS52113752A (sv) |
| CA (1) | CA1096493A (sv) |
| DE (1) | DE2611617C2 (sv) |
| FR (1) | FR2344864A1 (sv) |
| GB (1) | GB1573789A (sv) |
| IT (1) | IT1077274B (sv) |
| SE (1) | SE418341B (sv) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2052829B (en) * | 1979-04-27 | 1983-01-12 | Olympus Optical Co | Apparatus for driving objective lens in tracking direction |
| JPS5758249A (en) * | 1980-09-24 | 1982-04-07 | Olympus Optical Co Ltd | Optical system recording and/or reproducing device |
| US4374618A (en) * | 1981-03-16 | 1983-02-22 | Ibm Corporation | Microfilm camera having a moving lens |
| EP0124580B1 (en) * | 1982-11-01 | 1991-04-03 | Storage Technology Partners Ii | Fine and coarse servo system for access and tracking on an optical disk |
| US4805162A (en) * | 1982-11-01 | 1989-02-14 | Storage Technology Partners Ii | Fine and coarse servo system for access and tracking on an optical disk |
| DE3324861C2 (de) * | 1983-07-09 | 1986-02-13 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen |
| US4831615A (en) * | 1985-01-30 | 1989-05-16 | Nippon Columbia Co., Ltd. | Dual differential optical system moving apparatus |
| US4803498A (en) * | 1987-07-13 | 1989-02-07 | Blaser Industries, Incorporated | Laser printer recording system |
| DE19516643C1 (de) * | 1995-05-05 | 1996-08-14 | Wolfgang A Dr Hamm | Vorrichtung zur Ermittlung von auf einen Meßkopf wirkende Kräfte und deren Verwendung |
| WO2005015142A2 (de) * | 2003-08-06 | 2005-02-17 | Testo Ag | Radiometer, visiereinrichtung für ein ir-gerät sowie verfahren |
| DE10336097B3 (de) * | 2003-08-06 | 2005-03-10 | Testo Ag | Visiereinrichtung für ein Radiometer sowie Verfahren |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3381086A (en) * | 1962-08-16 | 1968-04-30 | Minnesota Mining & Mfg | Reproduction of television signals from photographic disc recordings |
| US3544980A (en) * | 1968-03-22 | 1970-12-01 | Peripheral Systems Corp | Magnetic recording disc drive with head positioning and collision avoidance apparatus |
| US3743794A (en) * | 1972-03-02 | 1973-07-03 | Hewlett Packard Co | Translational motion apparatus for the magnetic transducers of a disc memory |
| 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. |
-
1976
- 1976-03-19 DE DE2611617A patent/DE2611617C2/de not_active Expired
-
1977
- 1977-03-08 US US05/775,454 patent/US4123147A/en not_active Expired - Lifetime
- 1977-03-09 CA CA273,589A patent/CA1096493A/en not_active Expired
- 1977-03-16 SE SE7702949A patent/SE418341B/sv not_active IP Right Cessation
- 1977-03-16 GB GB11104/77A patent/GB1573789A/en not_active Expired
- 1977-03-16 IT IT21320/77A patent/IT1077274B/it active
- 1977-03-17 JP JP2874277A patent/JPS52113752A/ja active Pending
- 1977-03-21 FR FR7708402A patent/FR2344864A1/fr active Granted
-
1985
- 1985-05-20 JP JP1985073621U patent/JPS616915U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2611617A1 (de) | 1977-09-22 |
| US4123147A (en) | 1978-10-31 |
| IT1077274B (it) | 1985-05-04 |
| CA1096493A (en) | 1981-02-24 |
| GB1573789A (en) | 1980-08-28 |
| FR2344864A1 (fr) | 1977-10-14 |
| FR2344864B1 (sv) | 1982-12-17 |
| SE418341B (sv) | 1981-05-18 |
| DE2611617C2 (de) | 1983-10-20 |
| JPS52113752A (en) | 1977-09-24 |
| JPH0329774Y2 (sv) | 1991-06-25 |
| JPS616915U (ja) | 1986-01-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ES474925A1 (es) | aparato perfeccionado para grabar y-o reproducir informa- cion en una pluralidad de pistas paralelas en un portador deregistro magnetico en forma de cinta | |
| FR2281624A1 (fr) | Dispositif d'asservissement de position pour tete de lecture de disques magnetiques a haute densite de pistes | |
| NZ181796A (en) | Radial jump control of read beam on optically coded disc | |
| SE7909092L (sv) | Skivformad optiskt lesbar uppteckningsberare anvend sasom ett datalagringsmedium | |
| DE2967217D1 (en) | Method and apparatus for rotating an information storage disc | |
| SE7702949L (sv) | Elektriskt styrd instellningsanordning for ett ljusknippe med digital och analog avlenkningsstyrning | |
| ES484881A1 (es) | Un aparato para grabar informacion en un portador de regis- tro a modo de cinta. | |
| ATA143979A (de) | Steuereinrichtung zur steuerung der magnetkopfabtastung der aufzeichnungsspuren von aufzeichnungstraegern | |
| ES456757A1 (es) | Un aparato para registrar y reproducir x senales de informa-cion. | |
| ES530238A0 (es) | Un aparato para leer un portador o soporte de registro que tiene grabada una senal de informacion digital | |
| DE3671673D1 (de) | Kontrolleinheit fuer einen magnetplattenspeicher. | |
| JPS51135550A (en) | Device for reading record by optical scanning of deffraction track | |
| ES492623A0 (es) | Un aparato para leer informacion de pistas de registro | |
| CH612781A5 (en) | Recording carrier having an information structure which can be optically read out and is arranged along tracks, and apparatus for reading out the same | |
| FR2349910B1 (sv) | ||
| SU558300A1 (ru) | Измерительный магнитный диск дл установки плавающей магнитной головки | |
| JPS56163536A (en) | Recording medium | |
| JPS576442A (en) | Optical data recording and reproducing system | |
| JPS5755548A (en) | Magnetic disk device | |
| DE3783395D1 (de) | Optisches informationsaufzeichnungs- und -wiedergabegeraet mit spurverfolgungsregelung mittels abtastung. | |
| IT7922841A0 (it) | Apparato di registrazione/riproduzione facilitante il salto di convoluzioni della pista di un disco. | |
| JPS57103136A (en) | Optical disk and optical disk device | |
| JPS5250702A (en) | Optical information recording and reproduction apparatus | |
| DE69120227D1 (de) | Magnetplatte | |
| JPS57111833A (en) | Optical disk device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NUG | Patent has lapsed |
Ref document number: 7702949-4 Effective date: 19911009 Format of ref document f/p: F |