SG35692G - Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor - Google Patents
Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device thereforInfo
- Publication number
- SG35692G SG35692G SG356/92A SG35692A SG35692G SG 35692 G SG35692 G SG 35692G SG 356/92 A SG356/92 A SG 356/92A SG 35692 A SG35692 A SG 35692A SG 35692 G SG35692 G SG 35692G
- Authority
- SG
- Singapore
- Prior art keywords
- pregrooved
- marks
- track
- tracking device
- record carrier
- 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
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
- G11B7/24085—Pits
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/19—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier
- G11B27/28—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording
- G11B27/30—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by using information signals recorded by the same method as the main recording on the same track as the main recording
-
- 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
- G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
- G11B7/00745—Sectoring or header formats within a track
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8410940A FR2567673B1 (fr) | 1984-07-10 | 1984-07-10 | Support d'information inscriptible optiquement selon une piste definie par des motifs de pregravure et dispositif optique de suivi de piste mettant en oeuvre un tel support |
Publications (1)
Publication Number | Publication Date |
---|---|
SG35692G true SG35692G (en) | 1992-05-22 |
Family
ID=9305969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SG356/92A SG35692G (en) | 1984-07-10 | 1992-03-26 | Record carrier for optically recording along a track of pregrooved marks,and an optical tracking device therefor |
Country Status (8)
Country | Link |
---|---|
US (1) | US4685096A (ja) |
EP (1) | EP0169433B1 (ja) |
JP (1) | JP2587036B2 (ja) |
CA (1) | CA1249056A (ja) |
DE (1) | DE3574797D1 (ja) |
FR (1) | FR2567673B1 (ja) |
HK (1) | HK93092A (ja) |
SG (1) | SG35692G (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4779253A (en) * | 1985-07-30 | 1988-10-18 | Laser Magnetic Storage International Company | Sampled servo for an optical disk drive |
FR2597248B1 (fr) * | 1985-11-27 | 1988-05-13 | Thomson Alcatel Gigadisc | Support d'information a pregravure et son dispositif d'exploration optiques a acces echantillonne |
JPH0782656B2 (ja) * | 1986-07-11 | 1995-09-06 | 株式会社日立製作所 | 光デイスク装置 |
US5214635A (en) * | 1987-02-27 | 1993-05-25 | Matsushita Electric Industrial Co., Ltd. | Erasable optical disk and optical information recording/reproduction apparatus |
JP2735220B2 (ja) * | 1987-12-02 | 1998-04-02 | 株式会社日立製作所 | 非点収差を有する光束を用いた焦点ずれ検出方法及び光ディスク装置 |
DE3852281T2 (de) * | 1987-12-18 | 1995-07-20 | Hitachi Ltd | Verfahren und Gerät zur Datenaufnahme/Wiedergabe. |
NL8800152A (nl) * | 1988-01-22 | 1989-08-16 | Philips Nv | Optische uitleesbare registratiedrager van het beschrijfbare type, een inrichting voor het vervaardigen van een dergelijke registratiedrager, en inrichtingen voor het optekenen en/of uitlezen van informatie op/uit een dergelijke registratiedrager. |
US5170390A (en) * | 1988-08-22 | 1992-12-08 | Sharp Kabushiki Kaisha | Optical recording element and driving system |
JP2703576B2 (ja) * | 1988-10-03 | 1998-01-26 | 株式会社日立製作所 | 光デイスク装置 |
GB8906353D0 (en) * | 1989-03-20 | 1989-05-04 | Dewar Productions Inc | Semi-timing optic lathe |
US5148422A (en) * | 1989-08-25 | 1992-09-15 | Sony Corporation | Optical recording medium having a data recording track with offset data storing regions |
JP3063230B2 (ja) * | 1991-05-31 | 2000-07-12 | ソニー株式会社 | 書き換え可能なディスクおよびディスク装置 |
JP3033864B2 (ja) * | 1991-10-31 | 2000-04-17 | キヤノン株式会社 | 情報記録方法及びその情報再生装置 |
EP1227750A4 (en) * | 1998-04-27 | 2003-04-16 | Katana Technologies Gmbh | OPTICAL TRACKING DEVICE |
TW200515107A (en) * | 2003-10-29 | 2005-05-01 | Hitachi Maxell | Original disk exposure apparatus and original disk exposure method |
US8879190B1 (en) * | 2011-08-08 | 2014-11-04 | Marvell International Ltd. | Method and apparatus for initial self-servo writing |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3919697A (en) * | 1974-06-26 | 1975-11-11 | Battelle Development Corp | Data record tracking using track identifying information in the gaps between recorded data groups |
NL8000121A (nl) * | 1980-01-09 | 1981-08-03 | Philips Nv | Schijfvormige, optische uitleesbare registratiedrager als opslagmedium voor datainformatie, inrichting voor het vervaardigen van zo'n registratiedrager, inrichting voor het optekenen van datainformatie in zo'n registratiedrager en inrichting voor het uitlezen van zo'n registratiedrager. |
US4402061A (en) * | 1981-10-15 | 1983-08-30 | Burroughs Corporation | Preformatted optical media for use in an optical memory system |
FR2523347B1 (fr) * | 1982-03-12 | 1988-11-04 | Thomson Csf | Support d'information mobile pregrave et dispositif optique de suivi de piste mettant en oeuvre un tel support |
FR2523349A1 (fr) * | 1982-03-12 | 1983-09-16 | Thomson Csf | Procede et dispositif optique de generation de signaux d'asservissements de la position d'une tache d'exploration des pistes d'un support d'information |
FR2523348A1 (fr) * | 1982-03-12 | 1983-09-16 | Thomson Csf | Procede et dispositif de regeneration de phase de signaux de synchronisation dans un appareil optique d'ecriture-lecture de support d'information |
FR2523345A1 (fr) * | 1982-03-12 | 1983-09-16 | Thomson Csf | Procede et dispositif de generation de signaux de synchronisation dans un appareil optique d'ecriture-lecture de support d'information |
JPS6058530B2 (ja) * | 1982-04-09 | 1985-12-20 | 株式会社日立製作所 | 情報再生装置 |
-
1984
- 1984-07-10 FR FR8410940A patent/FR2567673B1/fr not_active Expired
-
1985
- 1985-07-08 CA CA000486465A patent/CA1249056A/en not_active Expired
- 1985-07-09 DE DE8585108475T patent/DE3574797D1/de not_active Expired - Lifetime
- 1985-07-09 EP EP85108475A patent/EP0169433B1/fr not_active Expired
- 1985-07-09 JP JP60151161A patent/JP2587036B2/ja not_active Expired - Lifetime
- 1985-07-10 US US06/753,538 patent/US4685096A/en not_active Expired - Lifetime
-
1992
- 1992-03-26 SG SG356/92A patent/SG35692G/en unknown
- 1992-11-19 HK HK930/92A patent/HK93092A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS6139238A (ja) | 1986-02-25 |
EP0169433A1 (fr) | 1986-01-29 |
US4685096A (en) | 1987-08-04 |
JP2587036B2 (ja) | 1997-03-05 |
FR2567673B1 (fr) | 1986-11-07 |
CA1249056A (en) | 1989-01-17 |
HK93092A (en) | 1992-11-27 |
EP0169433B1 (fr) | 1989-12-13 |
DE3574797D1 (de) | 1990-01-18 |
FR2567673A1 (fr) | 1986-01-17 |
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