WO1997035305A1 - Read/write arrangement for optical media - Google Patents
Read/write arrangement for optical media Download PDFInfo
- Publication number
- WO1997035305A1 WO1997035305A1 PCT/EP1997/001266 EP9701266W WO9735305A1 WO 1997035305 A1 WO1997035305 A1 WO 1997035305A1 EP 9701266 W EP9701266 W EP 9701266W WO 9735305 A1 WO9735305 A1 WO 9735305A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- optical head
- arrangement
- sensing means
- tracks
- position sensing
- 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
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08582—Sled-type positioners
- G11B7/08588—Sled-type positioners with position sensing by means of an auxiliary system using an external scale
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
- G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
-
- 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
- G11B7/085—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam into, or out of, its operative position or across tracks, otherwise than during the transducing operation, e.g. for adjustment or preliminary positioning or track change or selection
- G11B7/0857—Arrangements for mechanically moving the whole head
- G11B7/08576—Swinging-arm positioners
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980706828A KR20000064539A (en) | 1996-03-21 | 1997-03-12 | Recording and reading device for optical media |
AU21558/97A AU2155897A (en) | 1996-03-21 | 1997-03-12 | Read/write arrangement for optical media |
JP9533122A JP2000508106A (en) | 1996-03-21 | 1997-03-12 | Read / write device for optical media |
EP97914233A EP0888613A1 (en) | 1996-03-21 | 1997-03-12 | Read/write arrangement for optical media |
NO984193A NO984193D0 (en) | 1996-03-21 | 1998-09-11 | Optical media read / write device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL1002671A NL1002671C2 (en) | 1996-03-21 | 1996-03-21 | Read / write device for optical media. |
NL1002671 | 1996-03-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1997035305A1 true WO1997035305A1 (en) | 1997-09-25 |
Family
ID=19762538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1997/001266 WO1997035305A1 (en) | 1996-03-21 | 1997-03-12 | Read/write arrangement for optical media |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP0888613A1 (en) |
JP (1) | JP2000508106A (en) |
KR (1) | KR20000064539A (en) |
CN (1) | CN1214143A (en) |
AU (1) | AU2155897A (en) |
CA (1) | CA2248644A1 (en) |
NL (1) | NL1002671C2 (en) |
NO (1) | NO984193D0 (en) |
WO (1) | WO1997035305A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0141396A2 (en) * | 1981-11-25 | 1985-05-15 | Hitachi, Ltd. | Access device for positioning a light beam to a desired guide groove of an optical memory apparatus |
EP0270357A1 (en) * | 1986-12-02 | 1988-06-08 | Mitsubishi Denki Kabushiki Kaisha | Optical disk drive device and information storage device |
EP0394572A1 (en) * | 1989-04-26 | 1990-10-31 | International Business Machines Corporation | Data storage device |
US5245597A (en) * | 1990-09-29 | 1993-09-14 | Samsung Electronics Co., Ltd. | Method and device for correcting track deviation in optical disc drive |
EP0657877A1 (en) * | 1993-12-10 | 1995-06-14 | Nippon Conlux Co., Ltd. | "Track seek method and device for use with an optical information recording and reproducing apparatus" |
US5481510A (en) * | 1992-02-28 | 1996-01-02 | Fujitsu Limited | Seek control system for optical storage apparatus |
-
1996
- 1996-03-21 NL NL1002671A patent/NL1002671C2/en not_active IP Right Cessation
-
1997
- 1997-03-12 KR KR1019980706828A patent/KR20000064539A/en not_active Application Discontinuation
- 1997-03-12 JP JP9533122A patent/JP2000508106A/en active Pending
- 1997-03-12 CA CA002248644A patent/CA2248644A1/en not_active Abandoned
- 1997-03-12 AU AU21558/97A patent/AU2155897A/en not_active Abandoned
- 1997-03-12 EP EP97914233A patent/EP0888613A1/en not_active Withdrawn
- 1997-03-12 CN CN97193185A patent/CN1214143A/en active Pending
- 1997-03-12 WO PCT/EP1997/001266 patent/WO1997035305A1/en not_active Application Discontinuation
-
1998
- 1998-09-11 NO NO984193A patent/NO984193D0/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0141396A2 (en) * | 1981-11-25 | 1985-05-15 | Hitachi, Ltd. | Access device for positioning a light beam to a desired guide groove of an optical memory apparatus |
EP0270357A1 (en) * | 1986-12-02 | 1988-06-08 | Mitsubishi Denki Kabushiki Kaisha | Optical disk drive device and information storage device |
EP0394572A1 (en) * | 1989-04-26 | 1990-10-31 | International Business Machines Corporation | Data storage device |
US5245597A (en) * | 1990-09-29 | 1993-09-14 | Samsung Electronics Co., Ltd. | Method and device for correcting track deviation in optical disc drive |
US5481510A (en) * | 1992-02-28 | 1996-01-02 | Fujitsu Limited | Seek control system for optical storage apparatus |
EP0657877A1 (en) * | 1993-12-10 | 1995-06-14 | Nippon Conlux Co., Ltd. | "Track seek method and device for use with an optical information recording and reproducing apparatus" |
Also Published As
Publication number | Publication date |
---|---|
NL1002671C2 (en) | 1997-09-23 |
CN1214143A (en) | 1999-04-14 |
EP0888613A1 (en) | 1999-01-07 |
CA2248644A1 (en) | 1997-09-25 |
AU2155897A (en) | 1997-10-10 |
KR20000064539A (en) | 2000-11-06 |
JP2000508106A (en) | 2000-06-27 |
NO984193L (en) | 1998-09-11 |
NO984193D0 (en) | 1998-09-11 |
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