DE68915615D1 - Antriebe für optische Platten. - Google Patents
Antriebe für optische Platten.Info
- Publication number
- DE68915615D1 DE68915615D1 DE68915615T DE68915615T DE68915615D1 DE 68915615 D1 DE68915615 D1 DE 68915615D1 DE 68915615 T DE68915615 T DE 68915615T DE 68915615 T DE68915615 T DE 68915615T DE 68915615 D1 DE68915615 D1 DE 68915615D1
- Authority
- DE
- Germany
- Prior art keywords
- demodulating
- data signals
- driven
- optical disc
- spindle motor
- 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 - Lifetime
Links
Classifications
-
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
- G11B19/247—Arrangements for providing constant relative speed between record carrier and head using electrical means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
- G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
-
- 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
- G11B27/3027—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 used signal is digitally coded
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2525—Magneto-optical [MO] discs
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Rotational Drive Of Disk (AREA)
- Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
- Manufacturing Optical Record Carriers (AREA)
- Optical Head (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63134091A JP2638079B2 (ja) | 1988-05-30 | 1988-05-30 | 光デイスク装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68915615D1 true DE68915615D1 (de) | 1994-07-07 |
DE68915615T2 DE68915615T2 (de) | 1994-09-15 |
Family
ID=15120218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68915615T Expired - Lifetime DE68915615T2 (de) | 1988-05-30 | 1989-05-26 | Antriebe für optische Platten. |
Country Status (7)
Country | Link |
---|---|
US (1) | US5109369A (de) |
EP (1) | EP0344994B1 (de) |
JP (1) | JP2638079B2 (de) |
KR (1) | KR0135977B1 (de) |
AT (1) | ATE106592T1 (de) |
CA (1) | CA1326904C (de) |
DE (1) | DE68915615T2 (de) |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0394664U (de) * | 1990-01-17 | 1991-09-26 | ||
JPH0411325A (ja) * | 1990-04-27 | 1992-01-16 | Sony Corp | 光ディスク記録装置 |
US5825733A (en) * | 1990-07-31 | 1998-10-20 | Sony Corporation | Optical disc recording apparatus for recording data at a disc rotational speed selected from a range of disc rotational speeds |
JP2995822B2 (ja) * | 1990-08-23 | 1999-12-27 | ソニー株式会社 | 円盤状記録媒体の記録装置及び再生装置 |
JP2514972Y2 (ja) * | 1990-09-12 | 1996-10-23 | 株式会社ケンウッド | スピンドルモータ制御装置 |
JPH04139666A (ja) * | 1990-09-30 | 1992-05-13 | Ricoh Co Ltd | 追記型光デイスクの信号処理用半導体集積回路および半導体装置 |
JP3021029B2 (ja) * | 1990-11-20 | 2000-03-15 | シャープ株式会社 | 光磁気記録媒体の情報アクセス方法 |
JP3715327B2 (ja) * | 1991-05-25 | 2005-11-09 | ソニー株式会社 | ディジタルオーディオ信号再生装置 |
KR930008068B1 (ko) * | 1991-07-23 | 1993-08-25 | 삼성전자 주식회사 | 광기록 재생시스템의 스핀들 모터 제어회로 |
KR940010809B1 (ko) * | 1992-06-30 | 1994-11-16 | 삼성전자 주식회사 | 데블데크 콤팩트 디스크 기록 장치 및 기록방법 |
US5412628A (en) * | 1992-10-05 | 1995-05-02 | Yamaha Corporation | Apparatus for intermittently recording and reproducing a signal on a disc type recording medium |
JP3461017B2 (ja) * | 1993-10-29 | 2003-10-27 | 株式会社ケンウッド | 光ディスク装置のスピンドル制御回路 |
WO1994019800A1 (en) * | 1993-02-22 | 1994-09-01 | Sony Corporation | Optical disc apparatus |
KR0145009B1 (ko) * | 1993-06-28 | 1997-05-22 | 김광호 | 광디스크의 회전제어방법 및 장치 |
JP3059860B2 (ja) * | 1993-07-07 | 2000-07-04 | 三洋電機株式会社 | ディスクプレーヤ |
JPH0765551A (ja) * | 1993-08-24 | 1995-03-10 | Sony Corp | 再生装置 |
JPH0773471A (ja) * | 1993-09-03 | 1995-03-17 | Pioneer Electron Corp | 追記型光ディスクの情報記録装置 |
JPH0850758A (ja) * | 1994-08-04 | 1996-02-20 | Teac Corp | 光ディスク再生装置 |
US5691967A (en) * | 1994-09-20 | 1997-11-25 | Sony Corporation | Recording or reproducing apparatus having a spindle servo control runaway prevent feature |
JP3614477B2 (ja) * | 1994-11-04 | 2005-01-26 | ティアック株式会社 | 光ディスク装置 |
JP3052994B2 (ja) * | 1995-06-30 | 2000-06-19 | ティアック株式会社 | 光ディスク装置のウォブル信号検出回路 |
US5946279A (en) * | 1996-04-30 | 1999-08-31 | Mitsumi Electric Co., Ltd. | Servo circuit, digital PLL circuit and optical disk device |
US5809006A (en) * | 1996-05-31 | 1998-09-15 | Cagent Technologies, Inc. | Optical disk with copy protection, and apparatus and method for recording and reproducing same |
KR100235326B1 (ko) * | 1996-10-19 | 2000-01-15 | 구자홍 | 멀티-레이트 광디스크 기록 방법 및 그 장치 |
US6341112B1 (en) | 1996-10-19 | 2002-01-22 | Lg Electronics Inc. | Multi-rate optical disc recording and reproducing apparatus |
JPH10293926A (ja) * | 1997-02-21 | 1998-11-04 | Pioneer Electron Corp | 記録用クロック信号発生装置 |
JP3635514B2 (ja) * | 1997-02-24 | 2005-04-06 | パイオニア株式会社 | 情報記録装置 |
JP3787015B2 (ja) * | 1997-04-14 | 2006-06-21 | 三菱電機株式会社 | ディスク回転制御装置 |
JP3410330B2 (ja) * | 1997-04-15 | 2003-05-26 | 株式会社リコー | 光ディスク装置及びその回転モータ制御装置 |
JPH10320781A (ja) * | 1997-05-20 | 1998-12-04 | Pioneer Electron Corp | プリピット信号検出装置及び検出方法 |
US6175542B1 (en) * | 1997-05-29 | 2001-01-16 | Mitsumi Electric Co., Ltd. | Demodulation circuit, a decode circuit and a digital PLL circuit for an optical disc apparatus |
JPH11120687A (ja) * | 1997-10-15 | 1999-04-30 | Mitsumi Electric Co Ltd | 光ディスク装置 |
JP3637437B2 (ja) * | 1998-11-19 | 2005-04-13 | パイオニア株式会社 | 光学式記録媒体のドライブ装置 |
JP2002025058A (ja) * | 2000-07-05 | 2002-01-25 | Victor Co Of Japan Ltd | 記録及び/又は再生装置 |
JP5175413B2 (ja) | 2001-03-12 | 2013-04-03 | ソニー株式会社 | ディスク記録媒体、再生装置、記録装置 |
US7042821B2 (en) * | 2001-06-07 | 2006-05-09 | Sony Corporation | Disk drive apparatus for optimum motor control |
CN100362577C (zh) * | 2004-11-19 | 2008-01-16 | 联发科技股份有限公司 | 光驱的写入数据速度与转动马达转速同步化的控制方法及装置 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4236050A (en) * | 1978-06-30 | 1980-11-25 | Mca Discovision, Inc. | System for recovering information from a movable information storage medium having a pilot signal with an aligned phase angle in adjacent tracks |
US4223349A (en) * | 1978-11-16 | 1980-09-16 | Mca Discovision, Inc. | System for rotating an information storage disc at a variable angular velocity to recover information therefrom at a prescribed constant rate |
JPS5764370A (en) * | 1980-09-30 | 1982-04-19 | Toshiba Corp | Rotation control system of disk recording medium |
JPS5764371A (en) * | 1980-09-30 | 1982-04-19 | Toshiba Corp | Rotation control system of disk recording medium |
GB2109593B (en) * | 1981-09-30 | 1985-09-04 | Hitachi Ltd | Playback speed control system |
EP0103028B1 (de) * | 1982-03-18 | 1986-09-03 | Sanyo Electric Co., Ltd | Schaltung zur geschwindigkeitskontrolle eines motors |
JPH0777058B2 (ja) * | 1982-10-15 | 1995-08-16 | パイオニア株式会社 | 記録ディスクの回転制御方式 |
JPS5990262A (ja) * | 1982-11-15 | 1984-05-24 | Nippon Gakki Seizo Kk | デイスクの再生装置 |
JPH0812743B2 (ja) * | 1983-06-30 | 1996-02-07 | 株式会社東芝 | ディスク装置 |
JPS6083258A (ja) * | 1983-10-13 | 1985-05-11 | Sanyo Electric Co Ltd | デイスク駆動方式 |
US4755980A (en) * | 1985-02-19 | 1988-07-05 | Kabushiki Kaisha Toshiba | Optical disk and recording/reproducing device for optical disk |
JPH06101199B2 (ja) * | 1985-10-03 | 1994-12-12 | 株式会社東芝 | デイスク装置 |
DE3780517T2 (de) * | 1986-05-31 | 1993-03-25 | Sony Corp | Methoden und geraet zum suchen einer zieladresse auf einem aufzeichnungsmedium. |
US4759975A (en) * | 1986-11-06 | 1988-07-26 | Asten Group, Inc. | Papermaker's wet press felt having multi-layered base fabric |
JPS63251961A (ja) * | 1987-04-08 | 1988-10-19 | Matsushita Graphic Commun Syst Inc | デイスクプレ−ヤの回転制御装置 |
-
1988
- 1988-05-30 JP JP63134091A patent/JP2638079B2/ja not_active Expired - Lifetime
-
1989
- 1989-05-26 EP EP89305384A patent/EP0344994B1/de not_active Expired - Lifetime
- 1989-05-26 AT AT89305384T patent/ATE106592T1/de not_active IP Right Cessation
- 1989-05-26 KR KR89007058A patent/KR0135977B1/ko not_active IP Right Cessation
- 1989-05-26 DE DE68915615T patent/DE68915615T2/de not_active Expired - Lifetime
- 1989-05-26 US US07/357,262 patent/US5109369A/en not_active Expired - Lifetime
- 1989-05-29 CA CA000600905A patent/CA1326904C/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA1326904C (en) | 1994-02-08 |
KR0135977B1 (en) | 1998-05-15 |
JPH01302575A (ja) | 1989-12-06 |
US5109369A (en) | 1992-04-28 |
EP0344994B1 (de) | 1994-06-01 |
DE68915615T2 (de) | 1994-09-15 |
EP0344994A3 (de) | 1991-01-30 |
EP0344994A2 (de) | 1989-12-06 |
ATE106592T1 (de) | 1994-06-15 |
KR890017685A (ko) | 1989-12-16 |
JP2638079B2 (ja) | 1997-08-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |