KR960011882A - 기록/재생 장치 - Google Patents
기록/재생 장치Info
- Publication number
- KR960011882A KR960011882A KR1019950030845A KR19950030845A KR960011882A KR 960011882 A KR960011882 A KR 960011882A KR 1019950030845 A KR1019950030845 A KR 1019950030845A KR 19950030845 A KR19950030845 A KR 19950030845A KR 960011882 A KR960011882 A KR 960011882A
- Authority
- KR
- South Korea
- Prior art keywords
- record
- playback device
- playback
- 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
- G11B7/09—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
-
- 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
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
- G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
-
- 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
- G11B19/02—Control of operating function, e.g. switching from recording to reproducing
- G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
-
- 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
- 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
- G11B19/28—Speed controlling, regulating, or indicating
-
- 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
- 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
- G11B27/24—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information detectable on the record carrier by sensing features on the record carrier other than the transducing track ; sensing signals or marks recorded by another method than the main recording
-
- 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
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
- G11B11/10584—Record carriers characterised by the selection of the material or by the structure or form characterised by the form, e.g. comprising mechanical protection elements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10595—Control of operating function
-
- 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
- G11B2220/2529—Mini-discs
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/0037—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with discs
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Rotational Drive Of Disk (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP94-250212 | 1994-09-20 | ||
JP25021294A JP3496691B2 (ja) | 1994-09-20 | 1994-09-20 | 再生装置、記録再生装置 |
JP25021094A JP3488291B2 (ja) | 1994-09-20 | 1994-09-20 | 記録又は再生装置、記録装置 |
JP94-250210 | 1994-09-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960011882A true KR960011882A (ko) | 1996-04-20 |
KR100379845B1 KR100379845B1 (ko) | 2003-12-01 |
Family
ID=26539688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950030845A KR100379845B1 (ko) | 1994-09-20 | 1995-09-20 | 기록/재생장치 |
Country Status (2)
Country | Link |
---|---|
US (3) | US5691967A (ko) |
KR (1) | KR100379845B1 (ko) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW337054B (en) | 1995-09-28 | 1998-07-21 | Toshiba Co Ltd | Horizontal synchronous signal oscillation circuit |
JP3695819B2 (ja) | 1996-01-16 | 2005-09-14 | 株式会社東芝 | 信号処理回路及びこれを用いた再生装置 |
US5946279A (en) * | 1996-04-30 | 1999-08-31 | Mitsumi Electric Co., Ltd. | Servo circuit, digital PLL circuit and optical disk device |
JP4319259B2 (ja) | 1996-07-02 | 2009-08-26 | 株式会社東芝 | アクティブ・ワイドレンジpll装置、位相ロックループ方法及びディスク再生装置 |
JP3442243B2 (ja) | 1996-07-12 | 2003-09-02 | ティアック株式会社 | デ−タ再生方法及び装置 |
JP3363712B2 (ja) | 1996-08-06 | 2003-01-08 | 株式会社リコー | 光ディスク装置 |
DE69721718T2 (de) * | 1996-09-03 | 2004-03-11 | Koninklijke Philips Electronics N.V. | Informationstrager, lese-/schreibvorrichtung und lesevorrichtung zum lesen und/oder schreiben von informationsblöcken |
US6548973B1 (en) * | 1997-01-15 | 2003-04-15 | Texas Instruments Incorporated | Method and apparatus for braking a polyphase DC motor |
JP3635514B2 (ja) * | 1997-02-24 | 2005-04-06 | パイオニア株式会社 | 情報記録装置 |
JPH10320773A (ja) * | 1997-05-19 | 1998-12-04 | Sony Corp | 光ディスクの製造方法、光ディスク及び光ディスク装置 |
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 |
JP3088359B2 (ja) * | 1997-09-30 | 2000-09-18 | 埼玉日本電気株式会社 | π/4シフトDQPSKデジタル復調器 |
JP3887915B2 (ja) * | 1997-12-01 | 2007-02-28 | ソニー株式会社 | 記録媒体駆動装置及びその駆動方法 |
JP2001332024A (ja) * | 2000-05-22 | 2001-11-30 | Sony Corp | 信号処理装置、信号処理方法 |
US6856586B2 (en) * | 2000-10-27 | 2005-02-15 | Matsushita Electric Industrial Co., Ltd. | Recording clock generating device and method thereof |
US6834652B2 (en) * | 2001-08-28 | 2004-12-28 | Sda Product, Inc. | Catheter protective shield |
DE10157332A1 (de) * | 2001-11-23 | 2003-06-05 | Thomson Brandt Gmbh | Gerät zur Aufzeichnung oder Wiedergabe von Informationen mit Mitteln zum Detektieren oder Verschieben des Abtastortes auf einer Disc mit Wobbelspur |
US20030206501A1 (en) | 2002-05-02 | 2003-11-06 | Hubert Song | Method and apparatus for providing high speed recording on an optical medium |
JP4493493B2 (ja) * | 2002-07-01 | 2010-06-30 | パナソニック株式会社 | 光ディスク、光ディスクの記録装置、光ディスクの記録方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0719445B2 (ja) * | 1987-12-17 | 1995-03-06 | パイオニア株式会社 | 記録再生用クロック生成回路 |
NL8800151A (nl) * | 1988-01-22 | 1989-08-16 | Philips Nv | Werkwijze en inrichting voor het optekenen van een informatiesignaal. |
JP2638079B2 (ja) * | 1988-05-30 | 1997-08-06 | ソニー株式会社 | 光デイスク装置 |
US5185732A (en) * | 1988-06-20 | 1993-02-09 | Sony Corporation | Recording medium and recording and reproducing apparatus employing the recording medium |
JPH0724142B2 (ja) * | 1989-04-28 | 1995-03-15 | 株式会社ケンウッド | 光ディスクのサーボ回路 |
CA2022192C (en) * | 1989-08-04 | 1995-03-21 | Shigemi Maeda | Optical disk recording/reproducing device |
US5182741A (en) * | 1989-08-25 | 1993-01-26 | Sharp Kabushiki Kaisha | Optical disk recording/reproducing device utilizing a constant angular velocity method with a constant linear velocity formatted optical disk |
CA2054880C (en) * | 1990-11-09 | 1997-07-08 | Shigemi Maeda | Information recording and reproducing device |
KR0145009B1 (ko) * | 1993-06-28 | 1997-05-22 | 김광호 | 광디스크의 회전제어방법 및 장치 |
-
1995
- 1995-09-14 US US08/528,353 patent/US5691967A/en not_active Expired - Lifetime
- 1995-09-20 KR KR1019950030845A patent/KR100379845B1/ko not_active IP Right Cessation
-
1996
- 1996-10-08 US US08/727,032 patent/US5703851A/en not_active Expired - Lifetime
- 1996-12-09 US US08/762,451 patent/US5805546A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5805546A (en) | 1998-09-08 |
US5691967A (en) | 1997-11-25 |
KR100379845B1 (ko) | 2003-12-01 |
US5703851A (en) | 1997-12-30 |
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Legal Events
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A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130322 Year of fee payment: 11 |
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FPAY | Annual fee payment |
Payment date: 20140324 Year of fee payment: 12 |
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LAPS | Lapse due to unpaid annual fee |