FR2683370B1 - Moyen d'enregistrement optique en son appareil de lecture. - Google Patents
Moyen d'enregistrement optique en son appareil de lecture.Info
- Publication number
- FR2683370B1 FR2683370B1 FR9208013A FR9208013A FR2683370B1 FR 2683370 B1 FR2683370 B1 FR 2683370B1 FR 9208013 A FR9208013 A FR 9208013A FR 9208013 A FR9208013 A FR 9208013A FR 2683370 B1 FR2683370 B1 FR 2683370B1
- Authority
- FR
- France
- Prior art keywords
- optical recording
- reading apparatus
- recording means
- reading
- optical
- 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
- G11B7/007—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
- G11B7/0901—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
- G11B7/0903—Multi-beam 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
- G11B7/12—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
Landscapes
- Optical Recording Or Reproduction (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP03264944A JP3093364B2 (ja) | 1991-10-14 | 1991-10-14 | 光学式記録媒体及びその再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2683370A1 FR2683370A1 (fr) | 1993-05-07 |
FR2683370B1 true FR2683370B1 (fr) | 1996-03-01 |
Family
ID=17410360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR9208013A Expired - Fee Related FR2683370B1 (fr) | 1991-10-14 | 1992-06-30 | Moyen d'enregistrement optique en son appareil de lecture. |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP3093364B2 (fr) |
DE (1) | DE4220192C2 (fr) |
FR (1) | FR2683370B1 (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5600627A (en) * | 1993-11-16 | 1997-02-04 | Sharp Kabushiki Kaisha | Optical disk and a method for recording, reproducing, and deleting information on and from the optical disk |
JP3800653B2 (ja) * | 1995-12-26 | 2006-07-26 | ソニー株式会社 | クロストーク除去装置 |
US6233209B1 (en) * | 1998-07-31 | 2001-05-15 | Philips Electronics North America Corporation | Tracking method and track format based on radial cross-talk from adjacent tracks |
US6236627B1 (en) * | 1998-12-17 | 2001-05-22 | Philips Electronics North America Corp. | Tracking method and track format based on quadrature wobble |
WO2013179396A1 (fr) * | 2012-05-29 | 2013-12-05 | パイオニア株式会社 | Dispositif et procédé d'enregistrement/lecture |
WO2013179395A1 (fr) * | 2012-05-29 | 2013-12-05 | パイオニア株式会社 | Dispositif et procédé de génération de signaux qui commandent un dispositif de fabrication de support d'enregistrement |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4290122A (en) * | 1979-05-14 | 1981-09-15 | Xerox Corporation | Self-synchronizing clock source for optical memories |
US4283777A (en) * | 1979-05-14 | 1981-08-11 | Xerox Corporation | Optical memory having a parallel read out |
FR2504301A1 (fr) * | 1981-04-15 | 1982-10-22 | Thomson Csf | Support d'informations mobile et dispositif d'enregistrement-lecture comprenant un tel support |
US4428069A (en) * | 1981-12-21 | 1984-01-24 | Burroughs Corporation | Apparatus for preformatting an optical disk |
EP0239131A3 (en) * | 1986-03-28 | 1989-05-24 | Csk Corporation | Optical recording medium and tracking method therefor |
JP2559372B2 (ja) * | 1986-07-09 | 1996-12-04 | 株式会社日立製作所 | 光ディスク装置及び光情報記録方法 |
-
1991
- 1991-10-14 JP JP03264944A patent/JP3093364B2/ja not_active Expired - Fee Related
-
1992
- 1992-06-19 DE DE19924220192 patent/DE4220192C2/de not_active Expired - Fee Related
- 1992-06-30 FR FR9208013A patent/FR2683370B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP3093364B2 (ja) | 2000-10-03 |
JPH05109083A (ja) | 1993-04-30 |
DE4220192A1 (de) | 1993-04-15 |
DE4220192C2 (de) | 1996-05-30 |
FR2683370A1 (fr) | 1993-05-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
D6 | Patent endorsed licences of rights | ||
ST | Notification of lapse |
Effective date: 20070228 |