SE7901438L - Forfarande samt apparat for uppteckning och uttagning av en modulerad elektrisk signal som representerar videoinformation - Google Patents

Forfarande samt apparat for uppteckning och uttagning av en modulerad elektrisk signal som representerar videoinformation

Info

Publication number
SE7901438L
SE7901438L SE7901438A SE7901438A SE7901438L SE 7901438 L SE7901438 L SE 7901438L SE 7901438 A SE7901438 A SE 7901438A SE 7901438 A SE7901438 A SE 7901438A SE 7901438 L SE7901438 L SE 7901438L
Authority
SE
Sweden
Prior art keywords
procedure
detecting
setting
electrical signal
video information
Prior art date
Application number
SE7901438A
Other languages
English (en)
Swedish (sv)
Inventor
J S Winslow
Original Assignee
Mca Disco Vision
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 by Mca Disco Vision filed Critical Mca Disco Vision
Publication of SE7901438L publication Critical patent/SE7901438L/xx

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
    • G11B7/004—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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Indexing, Searching, Synchronizing, And The Amount Of Synchronization Travel Of Record Carriers (AREA)
SE7901438A 1978-03-27 1979-02-19 Forfarande samt apparat for uppteckning och uttagning av en modulerad elektrisk signal som representerar videoinformation SE7901438L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/890,407 US4225873A (en) 1978-03-27 1978-03-27 Recording and playback system

Publications (1)

Publication Number Publication Date
SE7901438L true SE7901438L (sv) 1979-09-28

Family

ID=25396633

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7901438A SE7901438L (sv) 1978-03-27 1979-02-19 Forfarande samt apparat for uppteckning och uttagning av en modulerad elektrisk signal som representerar videoinformation

Country Status (7)

Country Link
US (1) US4225873A (de)
JP (10) JPS54128703A (de)
DE (1) DE2911861A1 (de)
DK (1) DK68979A (de)
NL (1) NL7901227A (de)
NO (1) NO152150C (de)
SE (1) SE7901438L (de)

Families Citing this family (69)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5558832A (en) * 1978-10-24 1980-05-01 Mitsubishi Electric Corp Signal recording and reproducing unit of optical type
US4313190A (en) * 1979-01-15 1982-01-26 Discovision Associates Method for making a composite video disc
US4345261A (en) * 1979-02-21 1982-08-17 Discovision Associates Dielectric recording medium
JPS5668935A (en) * 1979-10-22 1981-06-09 Discovision Ass Device for recording dataasignal on movable optical recording medium
US4355318A (en) * 1979-12-27 1982-10-19 Fuji Photo Film Co., Ltd. Laser recording monitoring system
JPS56136390A (en) * 1980-03-28 1981-10-24 Fuji Photo Film Co Ltd Recording by laser
JPS56153488A (en) * 1980-04-28 1981-11-27 Mitsubishi Electric Corp Recording device
NL8004598A (nl) * 1980-08-14 1982-03-16 Philips Nv Werkwijze voor het inschrijven in, respektievelijk uitlezen uit, een registratiedragerlichaam, van sektorsgewijs georganiseerde informatie, en inrichting daarvoor.
US4488279A (en) * 1980-10-20 1984-12-11 Discovision Associates Video recorder-playback machine
US4467467A (en) * 1980-10-20 1984-08-21 Discovision Associates Video recorder-playback machine
US4435734A (en) 1981-11-12 1984-03-06 Vas Corporation FM Video recording and reproducing system
JPS58121148A (ja) * 1982-01-11 1983-07-19 Olympus Optical Co Ltd 光学的情報記録再生装置
JPS58121147A (ja) * 1982-01-11 1983-07-19 Olympus Optical Co Ltd 光学的情報記録再生装置
JPH068934B2 (ja) * 1982-01-11 1994-02-02 オリンパス光学工業株式会社 光束合成装置
US4488277A (en) * 1982-02-10 1984-12-11 North American Philips Corporation Control system for an optical data recording apparatus
JPS58181163A (ja) * 1982-04-16 1983-10-22 Hitachi Ltd 記憶装置の制御方式
US4499502A (en) * 1982-07-12 1985-02-12 Discovision Associates Compressed bandwidth frequency modulation signal format apparatus and method
US4516235A (en) * 1982-10-28 1985-05-07 Rca Corporation Dynamic record level control for optical disc recorder
US4549288A (en) * 1982-12-20 1985-10-22 North American Philips Corporation Apparatus for enhancing the playback signal in an optical data recording system
FR2546325B1 (fr) * 1983-05-20 1988-07-08 Thomson Csf Procede et dispositif de calibration de la puissance optique appliquee a un disque optique pour l'enregistrement de donnees
CA1219367A (en) * 1983-05-25 1987-03-17 Tadashi Motoyama Video signal recording and reproducing apparatus
WO1985001382A1 (en) * 1983-09-19 1985-03-28 Storage Technology Partners Ii Optically storing digital data
JPH0823969B2 (ja) * 1984-01-11 1996-03-06 キヤノン株式会社 記録確認装置
US4616356A (en) * 1984-03-06 1986-10-07 Optical Disc Corporation Aperture compensation signal processor for optical recording
JPS60187933A (ja) * 1984-03-07 1985-09-25 Toshiba Corp 光学的記録再生装置
US4563058A (en) * 1984-06-28 1986-01-07 International Business Machines Corporation Optical signal recorder employing a transducer having an adjustable dichroic mirror
US4694447A (en) * 1984-07-12 1987-09-15 International Business Machines Corp. Optical signal recorders employing two lasers and methods therefor
US4752836A (en) * 1984-09-07 1988-06-21 Ivex Corporation Method and apparatus for reproducing video images to simulate movement within a multi-dimensional space
JPH0627913B2 (ja) * 1984-12-21 1994-04-13 ソニー株式会社 光変調装置
JPS6267731A (ja) * 1985-09-20 1987-03-27 Fujitsu Ltd 光記録再生方法及び光記録再生装置
US4743980A (en) * 1986-01-13 1988-05-10 Optical Disc Corporation Audio carrier amplitude control for videodisc recorder
US4768180A (en) * 1986-03-17 1988-08-30 Laser Magnetic Storage International Company Multistage tracking system
US5007037A (en) * 1986-06-05 1991-04-09 Quantex Corporation Optical disk drive system utilizing electron trapping media for data storage
JPS6371945A (ja) * 1986-09-13 1988-04-01 Omron Tateisi Electronics Co 光カ−ド記録再生装置
US4979162A (en) * 1987-01-16 1990-12-18 Nikon Corporation Apparatus for detecting the secondary distortion of optical type recorded information
US4998239A (en) * 1987-10-07 1991-03-05 The Dow Chemical Company Optical information recording medium containing a metal alloy as a reflective material
US5142493A (en) * 1988-07-29 1992-08-25 Quantex Corporation Optical disk employing electron trapping material as a storage medium
US4941139A (en) * 1988-09-02 1990-07-10 International Business Machines Corporation Checking media operations and recording during optical recording
US5018126A (en) * 1988-09-02 1991-05-21 International Business Machines Corporation Checking media operations and recording during optical recording
GB8906353D0 (en) * 1989-03-20 1989-05-04 Dewar Productions Inc Semi-timing optic lathe
US5265079A (en) 1991-02-15 1993-11-23 Applied Magnetics Corporation Seek actuator for optical recording
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
US5303217A (en) * 1989-06-23 1994-04-12 U.S. Philips Corporation Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal
JPH03223519A (ja) * 1990-01-29 1991-10-02 Ind Technol Res Inst 静圧軸受
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
US6069857A (en) * 1991-02-15 2000-05-30 Discovision Associates Optical disc system having improved circuitry for performing blank sector check on readable disc
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
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
US5808980A (en) * 1991-02-15 1998-09-15 Discovision Associates Seek actuator for optical recording
US5537379A (en) 1991-05-10 1996-07-16 Discovision Associates Optical data storage and retrieval system and method
US5297129A (en) * 1992-12-24 1994-03-22 Optical Disc Corporation Waveform shaping method and apparatus for optical recording
US5790495A (en) * 1994-05-06 1998-08-04 Discovision Associates Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component
US5894468A (en) * 1994-05-06 1999-04-13 Discovision Associates Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level
US5590102A (en) * 1995-01-12 1996-12-31 Discovision Associates Recording informatioin on an optical disc without using pre-manufactured tracks
US5748578A (en) * 1995-01-25 1998-05-05 Discovision Associates Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same
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
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
US5608712A (en) * 1995-03-08 1997-03-04 Optical Disc Corporation Method and means for varying pit duty cycle and changing pit depth on an optical recordable medium
CN1114903C (zh) * 1995-03-08 2003-07-16 光盘公司 用于光记录设备中的动态波形整形电路
US5978329A (en) * 1995-06-07 1999-11-02 Discovision Associates Technique for closed loop servo operation in optical disc tracking control
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
WO1997012279A1 (en) * 1995-09-29 1997-04-03 Sage Technology, Incorporated Optical digital media recording and reproduction system
EP0777218B1 (de) * 1995-12-06 2001-05-16 Discovision Associates Gerät und Verfahren zum Regeln der Fokussierung
GB2324352B (en) * 1996-01-05 1999-10-20 William Alexander Courtney Device incorporating elastic fluids and viscous damping
US5689485A (en) * 1996-04-01 1997-11-18 Discovision Associates Tracking control apparatus and method
DE19732199A1 (de) * 1997-07-26 1997-11-27 Zueblin Ag Pneumatisch muskuläre Siloaustragshilfe
US7492415B2 (en) * 2004-02-05 2009-02-17 Broadcom Corporation Method and system for data compression for storage of 3D comb filter data
US11070020B2 (en) * 2017-05-23 2021-07-20 Thorlabs, Inc. Sinusoidal phase modulation of mode-locked lasers

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3154370A (en) * 1962-10-26 1964-10-27 Winston Res Corp High speed, high density optical recording system
US3287563A (en) * 1962-11-07 1966-11-22 Minnesota Mining & Mfg Spatial coherent reproducing system
US3438050A (en) * 1965-01-06 1969-04-08 Itek Corp Laser data recorder
US3401590A (en) * 1965-03-01 1968-09-17 Sylvania Electric Prod Optical coupler
DE1263091B (de) * 1965-03-20 1968-03-14 Bosch Gmbh Robert Vorrichtung zum Aufzeichnen von Informationen
US3430966A (en) * 1967-04-03 1969-03-04 Gauss Electrophysics Inc Transparent recording disc
US3474457A (en) * 1967-11-13 1969-10-21 Precision Instr Co Laser recording apparatus
US3530258A (en) * 1968-06-28 1970-09-22 Mca Technology Inc Video signal transducer having servo controlled flexible fiber optic track centering
US3687664A (en) * 1968-07-24 1972-08-29 Gauss Electrophysics Inc Duplicating process for video disc records
US3658954A (en) * 1968-07-24 1972-04-25 Mca Technology Inc Duplicating process for video disc records
FR2019358A1 (de) * 1968-08-21 1970-07-03 Optical Devices Cy
US3654624A (en) * 1969-03-17 1972-04-04 Precision Instr Co Laser recording system using drum mounted record strips
US3651281A (en) * 1969-06-06 1972-03-21 Carl H Becker Laser recording system using photomagnetically magnetizable storage medium
US3696344A (en) * 1970-02-19 1972-10-03 Energy Conversion Devices Inc Optical mass memory employing amorphous thin films
US3625617A (en) * 1970-07-15 1971-12-07 Honeywell Inc Kerr effect read-out system for an optical memory
DE2038453B2 (de) * 1970-08-01 1972-09-07 Teldec Telefunken Decca Schallplat ten GmbH, 2000 Hamburg Verfahren zur aufzeichnung hochfrequenter signale, insbesondere von videosignalen auf signaltraeger
US3720784A (en) * 1971-02-12 1973-03-13 Bell Telephone Labor Inc Recording and display method and apparatus
US3715740A (en) * 1971-08-30 1973-02-06 Honeywell Inc Optical mass memory
US3924062A (en) * 1972-10-24 1975-12-02 Mca Disco Vision Disc record with skipped standard video increments and continuous audio increments and a method and apparatus for reproduction
CA1013854A (en) * 1973-02-20 1977-07-12 John S. Winslow Videodisc mastering system
JPS539101A (en) * 1976-07-12 1978-01-27 Mitsubishi Electric Corp Recording device

Also Published As

Publication number Publication date
JPS623440A (ja) 1987-01-09
NL7901227A (nl) 1979-10-01
JPS54128703A (en) 1979-10-05
JP2772514B2 (ja) 1998-07-02
NO790541L (no) 1979-09-28
JPH0721562A (ja) 1995-01-24
NO152150C (no) 1985-08-07
NO152150B (no) 1985-04-29
JPS621140A (ja) 1987-01-07
DK68979A (da) 1979-09-28
JP2737638B2 (ja) 1998-04-08
JPS621139A (ja) 1987-01-07
JPH0714204A (ja) 1995-01-17
JPH0863774A (ja) 1996-03-08
JPS621137A (ja) 1987-01-07
JPH0346893B2 (de) 1991-07-17
US4225873A (en) 1980-09-30
DE2911861A1 (de) 1979-10-11
JPS621138A (ja) 1987-01-07
JPS621126A (ja) 1987-01-07

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