NL7702979A - Stelsel voor het opnemen en terugspelen, dat ge- bruikt wordt bij schijven, trommels of soortge- lijke draaiende oppervlakken. - Google Patents
Stelsel voor het opnemen en terugspelen, dat ge- bruikt wordt bij schijven, trommels of soortge- lijke draaiende oppervlakken.Info
- Publication number
- NL7702979A NL7702979A NL7702979A NL7702979A NL7702979A NL 7702979 A NL7702979 A NL 7702979A NL 7702979 A NL7702979 A NL 7702979A NL 7702979 A NL7702979 A NL 7702979A NL 7702979 A NL7702979 A NL 7702979A
- Authority
- NL
- Netherlands
- Prior art keywords
- drums
- discs
- recording
- system used
- playback system
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
-
- 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
- G11B7/0904—Dithered tracking systems
-
- 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
- G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
-
- 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
- G11B7/095—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 discs, e.g. for compensation of eccentricity or wobble
- G11B7/0953—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 discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11119/76A GB1576426A (en) | 1976-03-19 | 1976-03-19 | Eccentricity compensating system in recording and playbackapparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
NL7702979A true NL7702979A (nl) | 1977-09-21 |
Family
ID=9980387
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL7702979A NL7702979A (nl) | 1976-03-19 | 1977-03-18 | Stelsel voor het opnemen en terugspelen, dat ge- bruikt wordt bij schijven, trommels of soortge- lijke draaiende oppervlakken. |
Country Status (7)
Country | Link |
---|---|
US (1) | US4138741A (xx) |
JP (1) | JPS52114305A (xx) |
AU (1) | AU510208B2 (xx) |
DE (1) | DE2711924C2 (xx) |
FR (1) | FR2344910A1 (xx) |
GB (1) | GB1576426A (xx) |
NL (1) | NL7702979A (xx) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4321700A (en) * | 1974-10-21 | 1982-03-23 | Digital Recording Corporation | Optical track segment intercept apparatus |
FR2366636A1 (fr) * | 1976-10-01 | 1978-04-28 | Thomson Brandt | Dispositif d'enregistrement optique d'information sur un support avec asservissement de la position de la tache d'enregistrement sur le support d'information |
US4205338A (en) * | 1977-11-03 | 1980-05-27 | Laser File Inc. | Disc recording tracking system |
JPS5480716A (en) * | 1977-12-12 | 1979-06-27 | Sony Corp | Automatic tracking apparatus |
JPS5913101B2 (ja) * | 1977-12-16 | 1984-03-27 | 株式会社日立製作所 | ランダムアクセス方法 |
NL187413C (nl) * | 1978-03-16 | 1991-09-16 | Philips Nv | Registratiedragerlichaam, ingeschreven registratiedrager, werkwijze voor het inschrijven van het registratiedragerlichaam en inrichting voor het uitvoeren van de werkwijze en voor het uitlezen van een ingeschreven registratiedrager. |
NL7811003A (nl) * | 1978-11-06 | 1980-05-08 | Philips Nv | Schijfvormige, optisch uitleesbare registratiedrager, als opslagmedium voor data-informatie. |
US4234837A (en) * | 1979-01-12 | 1980-11-18 | Mca Discovision, Inc. | Digital center tracking system |
US4236105A (en) * | 1979-01-12 | 1980-11-25 | Mca Discovision, Inc. | Digital center tracking system |
US4271334A (en) * | 1979-04-06 | 1981-06-02 | Discovision Associates | Apparatus for correcting for temperature-induced tracking errors in a system for recovering information from a recording disc |
JPS5611673A (en) * | 1979-07-03 | 1981-02-05 | Pioneer Video Corp | Address information retrieval method in information recording medium reproducing unit |
ATE6554T1 (de) * | 1979-07-16 | 1984-03-15 | Discovision Associates | Fuer einen plattenrohling geeignetes videoaufzeichnungs/wiedergabegeraet und verfahren zur heimaufzeichnung. |
US4245247A (en) * | 1979-07-19 | 1981-01-13 | Eastman Kodak Company | Hard copy reproduction from video disc information |
GB2054240B (en) * | 1979-07-19 | 1983-06-22 | Burroughs Corp | Disc eccentricity measuring means |
US4296491A (en) * | 1979-07-30 | 1981-10-20 | Atlantic Richfield Company | Information carrier having inter-track identification code information |
FR2462758A1 (fr) * | 1979-08-03 | 1981-02-13 | Thomson Csf | Dispositif optique d'acces a une piste portee par un support d'information et systeme de memoire optique comportant un tel dispositif |
US4313134A (en) * | 1979-10-12 | 1982-01-26 | Rca Corporation | Track error correction system as for video disc player |
US4419699A (en) * | 1979-10-12 | 1983-12-06 | Rca Corporation | Digital on video recording and playback system |
US4307418A (en) * | 1979-10-12 | 1981-12-22 | Rca Corporation | Video disc player system for correlating stylus position with information previously detected from disc |
US4331990A (en) * | 1979-10-18 | 1982-05-25 | Burroughs Corporation | Flat coil linear actuator for multiple transducer arms |
FR2474221A1 (fr) * | 1980-01-23 | 1981-07-24 | Thomson Csf | Dispositif optique d'enregistrement-lecture de supports d'information et systeme de memoire optique comportant un tel systeme |
CA1147858A (en) * | 1980-07-16 | 1983-06-07 | Discovision Associates | System for recording digital information in a pulse-length modulation format |
JPS5730870U (xx) * | 1980-07-29 | 1982-02-18 | ||
US4386375A (en) * | 1980-09-24 | 1983-05-31 | Rca Corporation | Video disc player with multiple signal recovery transducers |
US4365324A (en) * | 1980-11-19 | 1982-12-21 | Rca Corporation | Eccentricity control device |
DE3049004A1 (de) * | 1980-12-24 | 1982-07-15 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur wiedergabe von auf plattenfoermigen traegern aufgezeichneten signalen |
US4490752A (en) * | 1981-04-01 | 1984-12-25 | Victor Company Of Japan, Ltd. | Rotary recording medium having a selectively reproducible continuous stream of audio signals recorded thereon and reproducing apparatus therefor |
JPS589226A (ja) * | 1981-07-07 | 1983-01-19 | Toshiba Corp | 光ディスク装置 |
JPS5860471A (ja) * | 1981-10-07 | 1983-04-09 | Nippon Kogaku Kk <Nikon> | デイスク記録装置 |
US4797752A (en) * | 1981-12-04 | 1989-01-10 | Discovision Associates | Information storage carrier and method for storing duplicate information |
JPS5897136A (ja) * | 1981-12-04 | 1983-06-09 | Matsushita Electric Ind Co Ltd | 光学的記録装置 |
US4796098A (en) * | 1981-12-04 | 1989-01-03 | Discovision Associates | Banded and interleaved video disc format with duplicate information stored at different disc locations |
US4774699A (en) * | 1981-12-21 | 1988-09-27 | Discovision Associates | Method and apparatus for positioning a read head to a selected track on a record disc |
JPS5916169A (ja) * | 1982-07-16 | 1984-01-27 | Trio Kenwood Corp | トラツキングサ−ボ装置 |
JPS59218083A (ja) * | 1983-05-25 | 1984-12-08 | Sony Corp | デイスク記録装置 |
EP0145751A1 (en) * | 1983-06-07 | 1985-06-26 | Storage Technology Partners Ii | A system and method for organizing and managing data stored on an informational disk |
JPS6055592U (ja) * | 1983-09-26 | 1985-04-18 | 本田技研工業株式会社 | ヘツドライト装置 |
JPS6095769A (ja) * | 1983-10-31 | 1985-05-29 | Toshiba Corp | デイスク記録再生装置 |
JPS60143442A (ja) * | 1983-12-28 | 1985-07-29 | Olympus Optical Co Ltd | トラツキング方式 |
GB2158611A (en) * | 1984-05-07 | 1985-11-13 | Rca Corp | Servo error reduction apparatus for disc record playback system |
US4706117A (en) * | 1984-06-01 | 1987-11-10 | Arnold Schoolman | Stereo laser disc viewing system |
US4571714A (en) * | 1984-07-06 | 1986-02-18 | Storage Technology Partners Ii | Read beam position calibration |
US4578786A (en) * | 1984-07-06 | 1986-03-25 | Storage Technology Partners Ii | Track pitch calibration system for use in optical storage devices |
US4577301A (en) * | 1984-07-06 | 1986-03-18 | Storage Technology Partners Ii | Track pitch calibration error reduction |
JPS61168131A (ja) * | 1985-01-21 | 1986-07-29 | Matsushita Electric Ind Co Ltd | 光情報記録再生装置 |
JPS61177884A (ja) * | 1985-02-04 | 1986-08-09 | Hitachi Denshi Ltd | 画像データ記録再生方法 |
US4907214A (en) * | 1985-12-18 | 1990-03-06 | Kabushiki Kaisha Toshiba | Eccentricity correction apparatus for an optical disk device |
DE3632465A1 (de) * | 1986-09-24 | 1988-03-31 | Siemens Ag | Verfahren und einrichtung zum aufzeichnen einer kreisrunden spur auf einer datenspeicherplatte |
JP2523555B2 (ja) * | 1986-12-19 | 1996-08-14 | 株式会社日立製作所 | 光スポットの制御方法及び位置制御装置 |
US4764914A (en) * | 1987-09-11 | 1988-08-16 | Eastman Kodak Company | Least squares method and apparatus for determining track eccentricity of a disk |
US4897827A (en) * | 1987-12-12 | 1990-01-30 | U.S. Philips Corporation | Video disc player with rapid track access means |
DE69131993T2 (de) * | 1990-12-19 | 2000-07-20 | Mobile Storage Technology Inc | Miniatur-festplattenantrieb für tragbaren computer |
US6310747B1 (en) | 1991-09-25 | 2001-10-30 | Mobile Storage Technology, Inc. | Method for reducing external signal interference with signals in a computer disk storage system |
WO1993006595A1 (en) * | 1991-09-25 | 1993-04-01 | Integral Peripherals, Inc. | Adaptive runout compensation for miniature disk drives |
US5379171A (en) * | 1991-09-25 | 1995-01-03 | Integral Peripherals | Microminiature hard disk drive |
US5463758A (en) * | 1993-08-02 | 1995-10-31 | International Business Machines Corporation | System and method for reducing seek time for read operations in mirrored DASD files |
CA2138301C (en) * | 1994-01-21 | 1998-12-15 | Hal Hjalmar Ottesen | Apparatus and method for providing multimedia data |
US5596458A (en) * | 1994-12-19 | 1997-01-21 | Integral Peripherals, Inc. | Variable zone layout for information storage disk drive |
US6005725A (en) * | 1994-12-19 | 1999-12-21 | Mobile Storage Technology Inc. | Variable zone layout and track pitch parameter considerations for information storage disk drive |
US7102692B1 (en) * | 1999-10-13 | 2006-09-05 | Thomson Licensing | Digital and analog television signal digitization and processing device |
US7342741B1 (en) | 2000-02-10 | 2008-03-11 | Esgw Holdings Limited | Disk drive with variable track density |
CN1849659A (zh) * | 2003-09-09 | 2006-10-18 | 皇家飞利浦电子股份有限公司 | 使用光盘上记录的信息的管理 |
KR20090118745A (ko) * | 2008-05-14 | 2009-11-18 | 삼성전자주식회사 | 서보 패턴 오버헤드 최적화 방법 및 이를 이용한 디스크드라이브 |
US8077426B2 (en) * | 2008-12-16 | 2011-12-13 | Guzik Technical Enterprises | Magnetic disk centering method and system |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2792455A (en) * | 1954-01-21 | 1957-05-14 | Teldec Schallplatten G M B H | Recording apparatus |
US2792454A (en) * | 1954-01-21 | 1957-05-14 | Teldec Schallplatten G M B H | Storage device |
US3654624A (en) * | 1969-03-17 | 1972-04-04 | Precision Instr Co | Laser recording system using drum mounted record strips |
US3716845A (en) * | 1972-03-09 | 1973-02-13 | Honeywell Inc | Optical memory with interferometer tracking |
US3945037A (en) * | 1972-06-01 | 1976-03-16 | Iomec, Inc. | Feedback control system for linear position transducer |
US3946367A (en) * | 1972-12-20 | 1976-03-23 | Videonics Of Hawaii, Inc. | Three dimensional electro-optical retrieval system |
NL174591C (nl) * | 1973-02-09 | 1984-07-02 | Philips Nv | Schijfvormig registratiedragerlichaam. |
US3943565A (en) * | 1973-09-26 | 1976-03-09 | Loewe-Opta Gmbh | Track scan initiation and cutout arrangement for a helical scan video recorder |
US3932700A (en) * | 1974-02-04 | 1976-01-13 | Zenith Radio Corporation | Focus tracking registration for optical reproducing systems |
US4056830A (en) * | 1974-03-15 | 1977-11-01 | Burroughs Corporation | Utilizing data for transducer positioning |
US3881184A (en) * | 1974-05-28 | 1975-04-29 | Ibm | Adaptive digital servo system |
US3956766A (en) * | 1974-11-25 | 1976-05-11 | International Business Machines Corporation | Counter resetting circuitry for magnetic disk system |
US4048660A (en) * | 1975-12-23 | 1977-09-13 | International Business Machines Corporation | Record track following and seeking |
-
1976
- 1976-03-19 GB GB11119/76A patent/GB1576426A/en not_active Expired
-
1977
- 1977-03-14 US US05/777,475 patent/US4138741A/en not_active Expired - Lifetime
- 1977-03-18 FR FR7708219A patent/FR2344910A1/fr active Granted
- 1977-03-18 DE DE2711924A patent/DE2711924C2/de not_active Expired
- 1977-03-18 JP JP3102277A patent/JPS52114305A/ja active Granted
- 1977-03-18 AU AU23389/77A patent/AU510208B2/en not_active Expired
- 1977-03-18 NL NL7702979A patent/NL7702979A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU2338977A (en) | 1978-09-21 |
AU510208B2 (en) | 1980-06-12 |
JPS52114305A (en) | 1977-09-26 |
JPS5757768B2 (xx) | 1982-12-06 |
US4138741A (en) | 1979-02-06 |
DE2711924C2 (de) | 1983-04-21 |
FR2344910A1 (fr) | 1977-10-14 |
FR2344910B1 (xx) | 1981-02-27 |
DE2711924A1 (de) | 1977-09-22 |
GB1576426A (en) | 1980-10-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
BV | The patent application has lapsed |