JPS571052B2 - - Google Patents

Info

Publication number
JPS571052B2
JPS571052B2 JP9434979A JP9434979A JPS571052B2 JP S571052 B2 JPS571052 B2 JP S571052B2 JP 9434979 A JP9434979 A JP 9434979A JP 9434979 A JP9434979 A JP 9434979A JP S571052 B2 JPS571052 B2 JP S571052B2
Authority
JP
Japan
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
Application number
JP9434979A
Other languages
Japanese (ja)
Other versions
JPS5525891A (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS5525891A publication Critical patent/JPS5525891A/ja
Publication of JPS571052B2 publication Critical patent/JPS571052B2/ja
Granted legal-status Critical Current

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
    • G11B7/12—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
    • G11B7/128—Modulators
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/03—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/0327—Operation of the cell; Circuit arrangements
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/1608—Error detection by comparing the output signals of redundant hardware
    • G06F11/1612—Error detection by comparing the output signals of redundant hardware where the redundant component is persistent storage
    • 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
    • G11B20/02—Analogue recording or reproducing
    • G11B20/06—Angle-modulation 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
    • G11B20/22—Signal processing not specific to the method of recording or reproducing; Circuits therefor for reducing distortions
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/0045—Recording
    • 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
    • G11B7/004—Recording, reproducing or erasing methods; Read, write or erase circuits therefor
    • G11B7/005—Reproducing
    • 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
    • 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
    • G11B7/08547—Arrangements for positioning the light beam only without moving the head, e.g. using static electro-optical elements
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • 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
    • G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/048—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using other optical storage elements

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Signal Processing (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Quality & Reliability (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Television Signal Processing For Recording (AREA)
  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP9434979A 1973-02-20 1979-07-26 Photo converter stabilizer in video information recording device and method thereof Granted JPS5525891A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33356073A 1973-02-20 1973-02-20

Publications (2)

Publication Number Publication Date
JPS5525891A JPS5525891A (en) 1980-02-23
JPS571052B2 true JPS571052B2 (de) 1982-01-09

Family

ID=23303311

Family Applications (12)

Application Number Title Priority Date Filing Date
JP49011369A Pending JPS502415A (de) 1973-02-20 1974-01-26
JP9434879A Granted JPS5525890A (en) 1973-02-20 1979-07-26 Video information processor and regeneration thereof
JP9434779A Pending JPS5525889A (en) 1973-02-20 1979-07-26 Video information signal regeneration optical system and method thereof
JP9434679A Granted JPS5525888A (en) 1973-02-20 1979-07-26 Method and device for recording information
JP9435079A Granted JPS5525892A (en) 1973-02-20 1979-07-26 Device for monitoring stored information in video disk and method thereof
JP9434979A Granted JPS5525891A (en) 1973-02-20 1979-07-26 Photo converter stabilizer in video information recording device and method thereof
JP57005485A Granted JPS57147140A (en) 1973-02-20 1982-01-19 Recording information monitoring apparatus
JP58021744A Pending JPS58161153A (ja) 1973-02-20 1983-02-14 情報取扱い装置
JP58021742A Granted JPS58161159A (ja) 1973-02-20 1983-02-14 情報処理装置
JP58021743A Pending JPS58161143A (ja) 1973-02-20 1983-02-14 情報を格納する装置
JP61120335A Pending JPS6224440A (ja) 1973-02-20 1986-05-27 デイスクに標識を記録する装置
JP61120336A Pending JPS6224441A (ja) 1973-02-20 1986-05-27 デイスクに標識を記録する方法

Family Applications Before (5)

Application Number Title Priority Date Filing Date
JP49011369A Pending JPS502415A (de) 1973-02-20 1974-01-26
JP9434879A Granted JPS5525890A (en) 1973-02-20 1979-07-26 Video information processor and regeneration thereof
JP9434779A Pending JPS5525889A (en) 1973-02-20 1979-07-26 Video information signal regeneration optical system and method thereof
JP9434679A Granted JPS5525888A (en) 1973-02-20 1979-07-26 Method and device for recording information
JP9435079A Granted JPS5525892A (en) 1973-02-20 1979-07-26 Device for monitoring stored information in video disk and method thereof

Family Applications After (6)

Application Number Title Priority Date Filing Date
JP57005485A Granted JPS57147140A (en) 1973-02-20 1982-01-19 Recording information monitoring apparatus
JP58021744A Pending JPS58161153A (ja) 1973-02-20 1983-02-14 情報取扱い装置
JP58021742A Granted JPS58161159A (ja) 1973-02-20 1983-02-14 情報処理装置
JP58021743A Pending JPS58161143A (ja) 1973-02-20 1983-02-14 情報を格納する装置
JP61120335A Pending JPS6224440A (ja) 1973-02-20 1986-05-27 デイスクに標識を記録する装置
JP61120336A Pending JPS6224441A (ja) 1973-02-20 1986-05-27 デイスクに標識を記録する方法

Country Status (7)

Country Link
JP (12) JPS502415A (de)
CA (1) CA1013854A (de)
DE (6) DE2403408C3 (de)
FR (6) FR2218612B1 (de)
GB (1) GB1462791A (de)
IT (1) IT1008245B (de)
NL (5) NL7402289A (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59209042A (ja) * 1983-05-12 1984-11-27 Yaskawa Electric Mfg Co Ltd スキユ−を有する回転電機積層鉄心の製造方法
JPS6096157A (ja) * 1983-10-31 1985-05-29 Matsushita Electric Ind Co Ltd かご形誘導電動機の回転子

Families Citing this family (50)

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US4225873A (en) * 1978-03-27 1980-09-30 Mca Disco-Vision, Inc. Recording and playback system
CA1074005A (en) * 1975-03-10 1980-03-18 James T. Russell Recording and playback system
AU520835B2 (en) * 1977-03-24 1982-03-04 World Development Laboratories Optical recording system and method
NL7802860A (nl) * 1978-03-16 1979-09-18 Philips Nv Registratiedragerlichaam en registratiedrager voor optische informatie en inrichting voor het inschrijven en uitlezen.
NL7901228A (nl) * 1978-03-27 1979-10-01 Mca Disco Vision Moedermachine.
EP0005316A1 (de) * 1978-03-27 1979-11-14 Discovision Associates Optisches Gerät und Verfahren zur Aufzeichnung von Information und mit diesem Gerät gebildeter Aufzeichnungsträger; optisches Gerät zum Auslesen der aufgezeichneten Information
JPS54146613A (en) * 1978-05-10 1979-11-16 Hitachi Ltd Optical head
DK153609C (da) * 1978-09-22 1988-12-19 Discovision Ass Fremgangsmaade og apparat til skrivning af et signalinformationsspor paa en plade
DK153610C (da) * 1978-09-22 1988-12-12 Discovision Ass Fremgangsmaade til skrivning af et informationsspor paa en plade
CH636467A5 (en) * 1978-10-17 1983-05-31 Mca Disco Vision Method and device for recording a modulated electrical signal
BE871326A (fr) * 1978-10-23 1979-04-17 Mca Disco Vision Procede et dispositif d'enregistrement et de reproduction d'un signal video.
JPS605926B2 (ja) * 1978-11-22 1985-02-14 三菱電機株式会社 光変調装置
GB2040539B (en) * 1978-12-27 1983-01-26 Hitachi Ltd Optical information recording apparatus
US4264986A (en) * 1979-03-12 1981-04-28 Willis Craig I Information-recording process & apparatus
FR2453426A1 (fr) * 1979-04-03 1980-10-31 Thomson Csf Modulateur d'intensite lumineuse en optique integree et circuit optique integre comportant un tel modulateur
FR2462758A1 (fr) * 1979-08-03 1981-02-13 Thomson Csf Dispositif optique d'acces a une piste portee par un support d'information et systeme de memoire optique comportant un tel dispositif
JPS5668935A (en) * 1979-10-22 1981-06-09 Discovision Ass Device for recording dataasignal on movable optical recording medium
DE2949813C2 (de) * 1979-12-11 1987-04-30 Bts-Systementwicklungs Gmbh, 1000 Berlin Vorrichtung zur Aufzeichnung von in elektrischen Signalen vorliegenden Bild- und Toninformationen auf einer Bildplatte
NL8101932A (nl) * 1981-04-21 1982-11-16 Philips Nv Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager.
US4574371A (en) * 1982-02-20 1986-03-04 Olympus Optical Company Limited Apparatus for recording and reproducing information on an optical disc
JPS58147823A (ja) * 1982-02-25 1983-09-02 Mitsubishi Electric Corp トラツクずれ検出装置
US4517667A (en) * 1982-06-10 1985-05-14 Xerox Corporation Direct read after write optical disk system
CA1201010A (en) * 1982-08-23 1986-02-25 Daniel G. Murray Flavorings for sodium chloride substitutes
JPS5936338A (ja) * 1982-08-24 1984-02-28 Matsushita Electric Ind Co Ltd 光デイスク記録再生方法
NL8300133A (nl) * 1983-01-14 1984-08-01 Philips Nv Inrichting voor het met behulp van een stralingsbundel inschrijven en/of uitlezen van informatie.
DE3303038C1 (de) * 1983-01-29 1983-11-24 Kernforschungszentrum Karlsruhe Gmbh, 7500 Karlsruhe Verfahren zum Betreiben einer Filteranlage zur Reinigung von Luft- oder Gasströmen und Wanderbettfilteranlage zur Durchführung des Verfahrens
JPS59191149A (ja) * 1983-04-14 1984-10-30 Sanyo Electric Co Ltd 光学記録制御機構
JPS6129421A (ja) * 1984-06-15 1986-02-10 Olympus Optical Co Ltd 光学式記録媒体の欠陥検出方法
JPS61109239A (ja) * 1984-11-01 1986-05-27 松下電工株式会社 接点開閉装置
JPS61184741A (ja) * 1985-02-12 1986-08-18 Fujitsu Ltd 光学的記録再生装置
US4667256A (en) * 1985-11-25 1987-05-19 Eastman Kodak Company Circuit for electro-optic modulators
JPS62252876A (ja) * 1986-04-23 1987-11-04 鹿島建設株式会社 冷凍庫
JPH0614570B2 (ja) * 1987-04-28 1994-02-23 シャープ株式会社 光出力安定化方法および該方法に使用する光検出器
JPH0262734A (ja) * 1988-08-30 1990-03-02 Hitachi Ltd 分離形光ヘッド
US6141300A (en) 1989-06-20 2000-10-31 Discovision Associates Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
DE4030970C2 (de) * 1990-10-01 1996-07-11 Blaupunkt Werke Gmbh Verfahren zur Regelung der Lichtleistung einer Laserdiode zum Auslesen optischer Speicherplatten und Abspielgerät dazu
US6236625B1 (en) 1991-02-15 2001-05-22 Discovision Associates Optical disc system having current monitoring circuit with controller for laser driver and method for operating same
US6069857A (en) 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
US5729511A (en) 1991-02-15 1998-03-17 Discovision Associates Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
US5677899A (en) 1991-02-15 1997-10-14 Discovision Associates Method for moving carriage assembly from initial position to target position relative to storage medium
JPH04349236A (ja) * 1991-05-27 1992-12-03 Pioneer Electron Corp 光ピックアップ装置
JP2555239B2 (ja) * 1991-11-01 1996-11-20 株式会社日立製作所 光情報記録再生方法
JPH071764U (ja) * 1993-06-11 1995-01-13 ダイワ精工株式会社 魚釣用リールのドラグ力調節体
JPH07185243A (ja) * 1993-12-24 1995-07-25 Nippon Spindle Mfg Co Ltd 集塵装置
US5920539A (en) 1995-01-25 1999-07-06 Discovision Associates Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor
US5748578A (en) 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
US6434087B1 (en) 1995-01-25 2002-08-13 Discovision Associates Optical disc system and method for controlling bias coil and light source to process information on a storage medium
US6091684A (en) 1995-01-25 2000-07-18 Discovision Associates Optical disc system and method for changing the rotational rate of an information storage medium
US6049518A (en) * 1995-08-31 2000-04-11 Sanyo Electric Co., Ltd. Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards

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US3444317A (en) * 1965-11-03 1969-05-13 Minnesota Mining & Mfg Electron beam recorder with frame rate conversion
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DE1574687B2 (de) * 1968-02-06 1978-08-10 Robert Bosch Gmbh, 7000 Stuttgart Aufzeichnungsträger für Informationen
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59209042A (ja) * 1983-05-12 1984-11-27 Yaskawa Electric Mfg Co Ltd スキユ−を有する回転電機積層鉄心の製造方法
JPS6096157A (ja) * 1983-10-31 1985-05-29 Matsushita Electric Ind Co Ltd かご形誘導電動機の回転子

Also Published As

Publication number Publication date
JPS5525892A (en) 1980-02-23
FR2218612A1 (de) 1974-09-13
NL7402289A (de) 1974-08-22
FR2399089A1 (fr) 1979-02-23
FR2399087B1 (de) 1982-12-03
IT1008245B (it) 1976-11-10
FR2399088B1 (de) 1982-12-03
DE2403408A1 (de) 1974-08-29
FR2399090A1 (fr) 1979-02-23
FR2399088A1 (fr) 1979-02-23
JPS5525890A (en) 1980-02-23
FR2399086B1 (de) 1982-12-03
DE2463376C2 (de) 1985-10-17
FR2399086A1 (fr) 1979-02-23
DE2462833C2 (de) 1983-02-10
GB1462791A (en) 1977-01-26
NL8800806A (nl) 1988-07-01
CA1013854A (en) 1977-07-12
JPS58161143A (ja) 1983-09-24
JPS5525889A (en) 1980-02-23
JPS6338771B2 (de) 1988-08-02
JPS6224440A (ja) 1987-02-02
JPS5732412B2 (de) 1982-07-10
JPS502415A (de) 1975-01-11
JPS6224441A (ja) 1987-02-02
JPS58161153A (ja) 1983-09-24
FR2399087A1 (fr) 1979-02-23
FR2399090B1 (de) 1982-12-03
JPS5525888A (en) 1980-02-23
JPS5732411B2 (de) 1982-07-10
DE2403408B2 (de) 1978-06-29
NL8800809A (nl) 1988-07-01
DE2462835C2 (de) 1983-03-24
FR2399089B1 (de) 1982-12-03
JPS6235170B2 (de) 1987-07-31
JPS5525891A (en) 1980-02-23
DE2462831C2 (de) 1983-03-24
JPS58161159A (ja) 1983-09-24
JPS5736649B2 (de) 1982-08-05
DE2403408C3 (de) 1979-03-01
NL8800807A (nl) 1988-07-01
FR2218612B1 (de) 1980-03-07
DE2462834C2 (de) 1988-08-18
JPS57147140A (en) 1982-09-10
NL8800808A (nl) 1988-07-01

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