ATE110485T1 - Optische platte und regelung der bewegung deren optischen lichtpunktes. - Google Patents
Optische platte und regelung der bewegung deren optischen lichtpunktes.Info
- Publication number
- ATE110485T1 ATE110485T1 AT89904609T AT89904609T ATE110485T1 AT E110485 T1 ATE110485 T1 AT E110485T1 AT 89904609 T AT89904609 T AT 89904609T AT 89904609 T AT89904609 T AT 89904609T AT E110485 T1 ATE110485 T1 AT E110485T1
- Authority
- AT
- Austria
- Prior art keywords
- optical
- track
- movement
- optical spot
- regulation
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 6
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
- G11B21/10—Track finding or aligning by moving the head ; Provisions for maintaining alignment of the head relative to the track during transducing operation, i.e. track following
-
- 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
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head To Find And Align With The Track (AREA)
- Optical Head (AREA)
- Moving Of Heads (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63096510A JP2646645B2 (ja) | 1988-04-18 | 1988-04-18 | 光ディスクの光スポット移動装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE110485T1 true ATE110485T1 (de) | 1994-09-15 |
Family
ID=14167122
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT89904609T ATE110485T1 (de) | 1988-04-18 | 1989-04-18 | Optische platte und regelung der bewegung deren optischen lichtpunktes. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5144605A (de) |
EP (1) | EP0404942B1 (de) |
JP (1) | JP2646645B2 (de) |
KR (1) | KR100195557B1 (de) |
AT (1) | ATE110485T1 (de) |
DE (1) | DE68917720T2 (de) |
WO (1) | WO1989010614A1 (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0210579A (ja) * | 1988-06-29 | 1990-01-16 | Hitachi Ltd | 光学的情報記録再生装置 |
JP2796344B2 (ja) * | 1989-04-12 | 1998-09-10 | 株式会社日立製作所 | 光学的情報記録媒体および記録再生装置 |
JPH03185640A (ja) * | 1989-12-15 | 1991-08-13 | Hitachi Ltd | 光学的情報記録媒体および記録再生装置 |
JPH04254919A (ja) * | 1991-02-07 | 1992-09-10 | Hitachi Ltd | トラッキング制御方法及び装置 |
JP3243800B2 (ja) * | 1991-06-07 | 2002-01-07 | ソニー株式会社 | 光ディスク媒体のグレーコードの形成方法及びトラックアドレス再生装置 |
US5345435A (en) * | 1991-08-30 | 1994-09-06 | Sony Corporation | Optical disc and method for recording on optical disc |
US5764457A (en) * | 1992-01-10 | 1998-06-09 | Deutsche Thomson-Brandt Gmbh | Cassette including a recording medium for a recording apparatus |
KR940011229B1 (ko) * | 1992-07-07 | 1994-11-29 | 현대전자산업 주식회사 | 광디스크 장치의 트래킹 인입 시스팀 및 운용 방법 |
KR19980029035A (ko) * | 1996-10-25 | 1998-07-15 | 김영환 | 위상차 검출법에 의한 트랙킹 에러 생성회로 |
JP2001253114A (ja) * | 2000-03-13 | 2001-09-18 | Fuji Photo Film Co Ltd | 画像露光記録装置における光量調整方法および装置 |
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 |
US4032984A (en) * | 1975-04-28 | 1977-06-28 | Burroughs Corporation | Transducer positioning system for providing both coarse and fine positioning |
NL7702570A (nl) * | 1977-03-10 | 1978-09-12 | Philips Nv | Magneetschijfgeheugen en magneetschijf voor dat geheugen. |
US4352131A (en) * | 1980-02-29 | 1982-09-28 | U.S. Philips Corporation | Memory disc addressing device |
JPS58218079A (ja) * | 1982-06-14 | 1983-12-19 | Toshiba Corp | ヘツドの位置決め方式 |
JPS58175169A (ja) * | 1982-04-06 | 1983-10-14 | Pioneer Electronic Corp | 情報再生装置における記録トラツクとピツクアツプとの相対位置制御装置 |
EP0125019A1 (de) * | 1983-04-05 | 1984-11-14 | Pioneer Electronic Corporation | Vorrichtung zur Steuerung von Überquerungen einer Aufzeichnungsspur |
US4977472A (en) * | 1988-03-28 | 1990-12-11 | Seagate Technology, Inc. | Servo address system |
-
1988
- 1988-04-18 JP JP63096510A patent/JP2646645B2/ja not_active Expired - Fee Related
-
1989
- 1989-04-18 WO PCT/JP1989/000414 patent/WO1989010614A1/ja active IP Right Grant
- 1989-04-18 EP EP89904609A patent/EP0404942B1/de not_active Expired - Lifetime
- 1989-04-18 US US07/449,933 patent/US5144605A/en not_active Expired - Fee Related
- 1989-04-18 DE DE68917720T patent/DE68917720T2/de not_active Expired - Fee Related
- 1989-04-18 AT AT89904609T patent/ATE110485T1/de not_active IP Right Cessation
- 1989-12-18 KR KR1019890702373A patent/KR100195557B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE68917720T2 (de) | 1995-01-12 |
DE68917720D1 (de) | 1994-09-29 |
EP0404942B1 (de) | 1994-08-24 |
KR100195557B1 (en) | 1999-06-15 |
KR900701008A (ko) | 1990-08-17 |
EP0404942A4 (en) | 1992-03-18 |
US5144605A (en) | 1992-09-01 |
WO1989010614A1 (en) | 1989-11-02 |
EP0404942A1 (de) | 1991-01-02 |
JPH01267877A (ja) | 1989-10-25 |
JP2646645B2 (ja) | 1997-08-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |