DE69724164D1 - Servoschaltung - Google Patents
ServoschaltungInfo
- Publication number
- DE69724164D1 DE69724164D1 DE69724164T DE69724164T DE69724164D1 DE 69724164 D1 DE69724164 D1 DE 69724164D1 DE 69724164 T DE69724164 T DE 69724164T DE 69724164 T DE69724164 T DE 69724164T DE 69724164 D1 DE69724164 D1 DE 69724164D1
- Authority
- DE
- Germany
- Prior art keywords
- servo circuit
- servo
- circuit
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/16—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop
- H03L7/18—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop
- H03L7/181—Indirect frequency synthesis, i.e. generating a desired one of a number of predetermined frequencies using a frequency- or phase-locked loop using a frequency divider or counter in the loop a numerical count result being used for locking the loop, the counter counting during fixed time intervals
-
- 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
- G11B19/26—Speed-changing arrangements; Reversing arrangements; Drive-transfer means therefor
-
- 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
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10222—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation
- G11B20/1024—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation wherein a phase-locked loop [PLL] is used
- G11B20/1025—Improvement or modification of read or write signals clock-related aspects, e.g. phase or frequency adjustment or bit synchronisation wherein a phase-locked loop [PLL] is used the PLL being discrete time or digital PLL
-
- 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
- G11B20/14—Digital recording or reproducing using self-clocking codes
- G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L7/00—Automatic control of frequency or phase; Synchronisation
- H03L7/06—Automatic control of frequency or phase; Synchronisation using a reference signal applied to a frequency- or phase-locked loop
- H03L7/08—Details of the phase-locked loop
- H03L7/085—Details of the phase-locked loop concerning mainly the frequency- or phase-detection arrangement including the filtering or amplification of its output signal
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/30—Electronic control of motors
-
- 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
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/215—Recordable discs
- G11B2220/218—Write-once discs
-
- 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
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03L—AUTOMATIC CONTROL, STARTING, SYNCHRONISATION OR STABILISATION OF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES
- H03L2207/00—Indexing scheme relating to automatic control of frequency or phase and to synchronisation
- H03L2207/50—All digital phase-locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Optical Recording Or Reproduction (AREA)
- Rotational Drive Of Disk (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10965596 | 1996-04-30 | ||
JP8109656A JPH09297969A (ja) | 1996-04-30 | 1996-04-30 | 光ディスク装置 |
JP10965496A JP3903495B2 (ja) | 1996-04-30 | 1996-04-30 | サーボ回路 |
JP10965496 | 1996-04-30 | ||
JP10965696 | 1996-04-30 | ||
JP8109655A JPH09297968A (ja) | 1996-04-30 | 1996-04-30 | ディジタルpll回路 |
JP04601097A JP3702566B2 (ja) | 1997-02-28 | 1997-02-28 | サーボ回路 |
JP4601097 | 1997-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69724164D1 true DE69724164D1 (de) | 2003-09-18 |
DE69724164T2 DE69724164T2 (de) | 2004-03-25 |
Family
ID=27461813
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69730628T Expired - Lifetime DE69730628T2 (de) | 1996-04-30 | 1997-04-29 | Optisches Plattengerät |
DE69717533T Expired - Lifetime DE69717533T2 (de) | 1996-04-30 | 1997-04-29 | Servoschaltung |
DE69724164T Expired - Lifetime DE69724164T2 (de) | 1996-04-30 | 1997-04-29 | Servoschaltung |
Family Applications Before (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69730628T Expired - Lifetime DE69730628T2 (de) | 1996-04-30 | 1997-04-29 | Optisches Plattengerät |
DE69717533T Expired - Lifetime DE69717533T2 (de) | 1996-04-30 | 1997-04-29 | Servoschaltung |
Country Status (3)
Country | Link |
---|---|
US (1) | US5946279A (de) |
EP (4) | EP0805438B1 (de) |
DE (3) | DE69730628T2 (de) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
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 |
JPH11149704A (ja) * | 1997-11-19 | 1999-06-02 | Sony Corp | フェーズロックドループ回路、再生装置、及びフェーズロックドループ回路の引き込み制御方法 |
US6768706B1 (en) * | 1998-10-28 | 2004-07-27 | Victor Company Of Japan, Ltd | Frequency control apparatus and digital signal reproducing apparatus |
EP1646043B1 (de) * | 1999-05-19 | 2008-04-09 | Mitsubishi Kagaku Media Co., Ltd. | Wiederbeschreibbares optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnung von EFM-modulierten Informationen auf dem Aufzeichnungsmedium |
JP4374698B2 (ja) * | 2000-02-25 | 2009-12-02 | ソニー株式会社 | 記録装置 |
JP3737675B2 (ja) | 2000-05-24 | 2006-01-18 | 株式会社リコー | 情報記録装置と情報記録方法と情報記録処理プログラムを記録した記録媒体と情報記録システムと光ディスク記録装置と光ディスク記録方法と光ディスク記録システム |
KR20010107397A (ko) * | 2000-05-27 | 2001-12-07 | 구자홍 | 광디스크의 기록방식 전환방법 |
US6987817B1 (en) * | 2000-07-17 | 2006-01-17 | Lsi Logic Corporation | Digital clock recovery PLL |
JP3941513B2 (ja) * | 2002-01-11 | 2007-07-04 | ソニー株式会社 | 記録方法、記録装置、再生方法及び再生装置 |
JP4055536B2 (ja) * | 2002-09-30 | 2008-03-05 | ソニー株式会社 | 表示装置およびその制御方法、並びに投写型表示装置 |
US7519439B2 (en) * | 2002-11-06 | 2009-04-14 | Texas Instruments Incorporated | Efficient digital processor for feedback control applications |
JP2005032290A (ja) * | 2003-07-07 | 2005-02-03 | Ricoh Co Ltd | 情報記録媒体及び光ディスク装置 |
US20060181346A1 (en) * | 2005-02-16 | 2006-08-17 | Nguyen Tranh T | Constant frequency self-oscillating amplifier |
CN103780258B (zh) * | 2013-06-28 | 2017-04-12 | 中国科学院计算技术研究所 | 数字双链延迟锁相环 |
EP3203635B1 (de) * | 2016-02-05 | 2018-05-09 | Panthronics AG | Uhrensynchronisierungseinrichtung zur synchronisierung einer vorrichtungsuhr mit einer uhr einer entfernten vorrichtung |
CN109150026B (zh) * | 2018-09-10 | 2022-03-22 | 中国电子科技集团公司第四十三研究所 | 一种无位置传感器无刷电机换相方法 |
CN110336559B (zh) * | 2019-07-11 | 2020-11-24 | 福州大学 | 一种复位信号和采样时钟信号发生装置及其控制方法 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56160157A (en) * | 1980-04-22 | 1981-12-09 | Sony Corp | Bit clock reproducing circuit |
JPS57203213A (en) * | 1981-06-08 | 1982-12-13 | Trio Kenwood Corp | Clock signal reproducing circuit |
JPS58220226A (ja) * | 1982-06-15 | 1983-12-21 | Toshiba Corp | 位相ロツクル−プ制御回路 |
JPS60200635A (ja) * | 1984-03-26 | 1985-10-11 | Victor Co Of Japan Ltd | デジタル信号復調装置のビツトクロツク信号発生装置 |
JP2638079B2 (ja) * | 1988-05-30 | 1997-08-06 | ソニー株式会社 | 光デイスク装置 |
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 |
JPH0756730B2 (ja) * | 1989-12-28 | 1995-06-14 | パイオニア株式会社 | スピンドルサーボ回路 |
US5388087A (en) * | 1991-07-11 | 1995-02-07 | Hitachi, Ltd. | Recording and reproducing apparatus including changing a reproduction characteristic when an error has occurred in reproduced data |
JP2763696B2 (ja) * | 1991-07-31 | 1998-06-11 | 株式会社ケンウッド | 光デイスク装置 |
JPH05225580A (ja) * | 1992-02-07 | 1993-09-03 | Matsushita Electric Ind Co Ltd | 光ディスク装置 |
US5528574A (en) * | 1992-03-09 | 1996-06-18 | Hitachi, Ltd. | Disk reproducing apparatus capable of increasing speed of access to disks recorded at constant linear velocity |
JPH05325403A (ja) * | 1992-05-22 | 1993-12-10 | Sony Corp | スピンドルサーボ回路 |
JP3547175B2 (ja) * | 1994-07-28 | 2004-07-28 | ティアック株式会社 | 光ディスク再生装置 |
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 |
JP3477941B2 (ja) * | 1994-11-25 | 2003-12-10 | ソニー株式会社 | ディスク再生装置の信号処理回路 |
-
1997
- 1997-04-23 US US08/839,015 patent/US5946279A/en not_active Expired - Lifetime
- 1997-04-29 DE DE69730628T patent/DE69730628T2/de not_active Expired - Lifetime
- 1997-04-29 EP EP97302912A patent/EP0805438B1/de not_active Expired - Lifetime
- 1997-04-29 EP EP01124945A patent/EP1179821B1/de not_active Expired - Lifetime
- 1997-04-29 EP EP01124944A patent/EP1179822A1/de not_active Withdrawn
- 1997-04-29 EP EP01124943A patent/EP1191530B1/de not_active Expired - Lifetime
- 1997-04-29 DE DE69717533T patent/DE69717533T2/de not_active Expired - Lifetime
- 1997-04-29 DE DE69724164T patent/DE69724164T2/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE69717533D1 (de) | 2003-01-16 |
DE69730628D1 (de) | 2004-10-14 |
EP0805438A3 (de) | 1999-12-15 |
EP1191530A2 (de) | 2002-03-27 |
EP0805438B1 (de) | 2002-12-04 |
EP1179822A1 (de) | 2002-02-13 |
EP1179821B1 (de) | 2003-08-13 |
US5946279A (en) | 1999-08-31 |
DE69730628T2 (de) | 2005-09-29 |
EP0805438A2 (de) | 1997-11-05 |
EP1191530A3 (de) | 2002-06-26 |
EP1179821A1 (de) | 2002-02-13 |
DE69717533T2 (de) | 2003-08-07 |
EP1191530B1 (de) | 2004-09-08 |
DE69724164T2 (de) | 2004-03-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |