GB1551327A – Optical disc data-storage
– Google Patents
GB1551327A – Optical disc data-storage
– Google Patents
Optical disc data-storage
Info
Publication number
GB1551327A
GB1551327A
GB20682/76A
GB2068276A
GB1551327A
GB 1551327 A
GB1551327 A
GB 1551327A
GB 20682/76 A
GB20682/76 A
GB 20682/76A
GB 2068276 A
GB2068276 A
GB 2068276A
GB 1551327 A
GB1551327 A
GB 1551327A
Authority
GB
United Kingdom
Prior art keywords
storage
optical disc
disc data
data
optical
Prior art date
1975-05-22
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
GB20682/76A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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.)
1975-05-22
Filing date
1976-05-19
Publication date
1979-08-30
1975-05-22
Priority claimed from DE19752522593
external-priority
patent/DE2522593C2/en
1976-03-03
Priority claimed from DE19762608715
external-priority
patent/DE2608715C2/en
1976-05-19
Application filed by Philips Electronic and Associated Industries Ltd
filed
Critical
Philips Electronic and Associated Industries Ltd
1979-08-30
Publication of GB1551327A
publication
Critical
patent/GB1551327A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
G11B7/24085—Pits
G—PHYSICS
G11—INFORMATION STORAGE
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
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
G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
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
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
G11B7/0938—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 servo format, e.g. guide tracks, pilot signals
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
G11B7/14—Heads, e.g. forming of the optical beam spot or modulation of the optical beam specially adapted to record on, or to reproduce from, more than one track simultaneously
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
G11B2220/2525—Magneto-optical [MO] discs
GB20682/76A
1975-05-22
1976-05-19
Optical disc data-storage
Expired
GB1551327A
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
DE19752522593
DE2522593C2
(en)
1975-05-22
1975-05-22
Optical system for the optional storage and retrieval of digital data
DE19762608715
DE2608715C2
(en)
1976-03-03
1976-03-03
Optical system for storing and retrieving digital data
Publications (1)
Publication Number
Publication Date
GB1551327A
true
GB1551327A
(en)
1979-08-30
Family
ID=25768928
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB20682/76A
Expired
GB1551327A
(en)
1975-05-22
1976-05-19
Optical disc data-storage
Country Status (7)
Country
Link
US
(1)
US4094013A
(en)
JP
(1)
JPS608530B2
(en)
CA
(1)
CA1077620A
(en)
FR
(1)
FR2312087A1
(en)
GB
(1)
GB1551327A
(en)
IT
(1)
IT1060627B
(en)
SE
(1)
SE415305B
(en)
Families Citing this family (96)
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Priority date
Publication date
Assignee
Title
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1975-12-29
1977-07-29
Telediffusion Fse
CONTROL SYSTEM FOR THE POSITIONING OF THE HEAD OF A DISC PLAYER AND IN PARTICULAR VIDEODISC
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1976-03-19
1980-10-22
Rca Corp
Video information record and playback apparatus
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1976-10-01
1978-04-28
Thomson Brandt
DEVICE FOR OPTICAL RECORDING OF INFORMATION ON A MEDIA WITH SLAVE OF THE POSITION OF THE RECORDING TASK ON THE INFORMATION MEDIA
DE2710166C2
(en)
*
1977-03-09
1984-09-13
Philips Patentverwaltung Gmbh, 2000 Hamburg
Mechanically addressed optical memory
FR2396379A1
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*
1977-07-01
1979-01-26
Thomson Brandt
OPTICAL INFORMATION DISC READER EQUIPPED WITH AN AUTOMATIC INFORMATION ACCESS DEVICE
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1977-11-03
1980-05-27
Laser File Inc.
Disc recording tracking system
JPS5465503A
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1977-11-04
1979-05-26
Hitachi Ltd
Information recorder-reproducer
NL187413C
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1978-03-16
1991-09-16
Philips Nv
REGISTRATION CARRIER, REGISTRATION CARRIER, METHOD FOR REGISTRATION CARRIER BODY AND DEVICE FOR CARRYING OUT A METHOD AND READING A REGISTRATED CARRIER.
NL7810463A
(en)
*
1978-10-19
1980-04-22
Philips Nv
REGISTRATION HOLDER IN WHICH INFORMATION IS PRESENTED IN AN OPTICALLY READABLE INFORMATION STRUCTURE.
NL7810462A
(en)
*
1978-10-19
1980-04-22
Philips Nv
REGISTRATION CONTAINER IN WHICH INFORMATION IS PRESENTED IN AN OPTICALLY READABLE RADIATION-REFLECTING INFORMATION STRUCTURE
CA1165871A
(en)
*
1978-11-08
1984-04-17
Kornelis Bulthuis
Optically inscribable record carrier
JPS5936347B2
(en)
*
1978-12-11
1984-09-03
日本ビクター株式会社
information record carrier
US4283777A
(en)
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1979-05-14
1981-08-11
Xerox Corporation
Optical memory having a parallel read out
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(en)
*
1979-05-14
1981-09-15
Xerox Corporation
Self-synchronizing clock source for optical memories
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(en)
*
1979-07-30
1981-10-20
Atlantic Richfield Company
Information carrier having inter-track identification code information
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(en)
*
1979-10-18
1983-10-25
Rca Corporation
Video disc player with self calibrating stylus translator
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(en)
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1979-10-18
1982-05-18
Rca Corporation
Adaptive stylus kicker using disc track and disc sector information
NL8000121A
(en)
*
1980-01-09
1981-08-03
Philips Nv
DISC-SHAPED, OPTICALLY READABLE RECORD CARRIER AS A STORAGE MEDIUM FOR DATA INFORMATION, DEVICE FOR MANUFACTURING SUCH RECORD CARRIER, DEVICE FOR RECORDING DATA INFORMATION RECORDER AND RECORD.
FR2474221A1
(en)
1980-01-23
1981-07-24
Thomson Csf
OPTICAL DEVICE FOR RECORDING AND READING INFORMATION MEDIA AND OPTICAL MEMORY SYSTEM COMPRISING SUCH A SYSTEM
US4408314A
(en)
*
1980-02-29
1983-10-04
Tokyo Shibaura Denki Kabushiki Kaisha
Record/playback track tracking servo
US5003526A
(en)
*
1980-07-16
1991-03-26
Discovision Associates
System for recording digital information in a pulse-length modulation format
CA1147858A
(en)
*
1980-07-16
1983-06-07
Discovision Associates
System for recording digital information in a pulse-length modulation format
US5553047A
(en)
*
1980-07-16
1996-09-03
Discovision Associates
System for recording digital information in a pulse-length modulation format
US5084852A
(en)
*
1980-07-16
1992-01-28
Discovision Associates
System for recording digital information in a pulse-length modulation format
US5577015A
(en)
*
1980-07-16
1996-11-19
Discovision Associates
System for recording digital information in a pulse-length modulation
US5253244A
(en)
*
1980-07-16
1993-10-12
Discovision Associates
System for recording digital information in a pulse-length modulation format
US4386375A
(en)
*
1980-09-24
1983-05-31
Rca Corporation
Video disc player with multiple signal recovery transducers
US4692913A
(en)
*
1980-11-26
1987-09-08
News Log International, Inc.
Method and apparatus for reading a data record carrier
JPS57103132A
(en)
*
1980-12-16
1982-06-26
Matsushita Electric Ind Co Ltd
Recording information carrier and its recorder and reproducer
US5119363A
(en)
*
1980-12-17
1992-06-02
Matsushita Electric Industrial Company, Ltd.
Optical disk having an index mark
FR2504713B1
(en)
*
1981-04-27
1986-04-11
Thomson Csf
ANGULAR CODED INFORMATION CARRIER DISC AND ROTATION DRIVE SYSTEM FOR SUCH A DISC
FR2504765A1
(en)
*
1981-04-27
1982-10-29
Thomson Csf
RECORDING-READING DEVICE COMPRISING A MOBILE INFORMATION HOLDER OF THE TYPE COMPRISING A PREGRAVED TRACK
JPS5814332A
(en)
*
1981-07-16
1983-01-27
Mitsubishi Electric Corp
Optical information reproducing device
US4497050A
(en)
*
1981-08-03
1985-01-29
U.S. Philips Corporation
Method and device for writing a data block into a record carrier body
FR2511537B1
(en)
*
1981-08-14
1986-09-05
Thomson Csf
OPTICAL DEVICE FOR TRACKING A SAMPLING TRACK
JPS5841447A
(en)
*
1981-09-04
1983-03-10
Hitachi Ltd
Optical spot controlling system
US4443870A
(en)
*
1981-10-15
1984-04-17
Burroughs Corporation
Optical memory system providing track following
NL8204555A
(en)
*
1981-11-25
1983-06-16
Hitachi Ltd
DEVICE FOR RECORDING AND DISPLAYING INFORMATION.
US4535439A
(en)
*
1981-12-01
1985-08-13
Matsushita Electric Industrial Co., Ltd.
Optical having index mark and sector mark
JPS58100235A
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1981-12-11
1983-06-14
Victor Co Of Japan Ltd
Information recording disk and its character recording system
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(en)
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1981-12-21
1984-01-24
Burroughs Corporation
Methods of preformatting an optical disk
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1982-01-22
1984-10-02
Rodesch Dale F
Interactive video disc systems
FR2523347B1
(en)
*
1982-03-12
1988-11-04
Thomson Csf
PREGRAVED MOBILE INFORMATION MEDIUM AND OPTICAL TRACK TRACKING DEVICE USING SUCH A MEDIUM
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1982-03-19
1989-05-30
Magnetic Peripherals, Inc.
Modulation system for optical recording
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1982-03-19
1984-06-26
Magnetic Peripherals Inc.
Modulation system for optical recording
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1982-04-15
1988-06-14
Discovision Associates
Method and apparatus for recovering information from a videodisc
FR2528605B1
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1982-06-15
1987-11-20
Thomson Csf
METHOD AND OPTICAL DEVICE FOR FOCUSING A LIGHT ENERGY BEAM ON A REFERENCE PLANE OF AN INFORMATION MEDIUM AS WELL AS THIS MEDIUM
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1982-11-01
1989-02-14
Storage Technology Partners Ii
Fine and coarse servo system for access and tracking on an optical disk
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1983-03-07
1984-09-13
Storage Technology Partners
System for sensing the rotational position of a rotating disk having coarse seek tracks
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1983-03-19
1997-02-05
ソニー株式会社
Record player with automatic music selection function
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1983-06-07
1985-06-26
Storage Technology Partners Ii
A system and method for organizing and managing data stored on an informational disk
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1983-06-30
1996-02-07
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Disk unit
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1986-01-28
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1985-10-16
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Preformatted diagnostic information recording disk
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1983-09-19
1985-03-28
Storage Technology Partners Ii
Optically storing digital data
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1985-08-27
Control Data Corporation
Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus
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1983-11-25
1988-04-05
Matsushita Electric Industrial Co., Ltd.
Optical recording medium and apparatus for recording and reproducing data therein
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1983-11-28
1987-06-09
Northern Telecom Limited
Optical disc having protective cover
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1984-02-23
1985-09-11
Toshiba Corp
Disk device
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1984-06-01
1989-05-17
Matsushita Electric Industrial Co., Ltd.
Optical disk exclusively used for reproduction
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1984-06-01
1987-11-10
Arnold Schoolman
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JPH0619863B2
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1984-06-13
1994-03-16
株式会社日立製作所
Magneto-optical information storage method and device
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1984-07-06
1988-04-26
Storage Technology Partners 11
System for aligning sector marks with data in a disk storage system
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1984-08-28
1988-07-06
Fuji Photo Film Co., Ltd.
Optical memory disk and track access therefor
JPS61168131A
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*
1985-01-21
1986-07-29
Matsushita Electric Ind Co Ltd
Optical information recording and reproducing device
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1985-05-13
1989-03-14
International Business Machines Corporation
Data processing peripheral subsystems having a controller and a plurality of peripheral devices
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1985-06-14
1989-06-20
Kabushiki Kaisha Toshiba
Information recording system and reproducing for recording and reproducing information on a magneto-optical disk
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1985-06-19
1990-08-14
Hitachi, Ltd.
Apparatus and record carrier for optical disc memory with correction pattern and master disc cutting apparatus
JPS62109236A
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1985-11-07
1987-05-20
Teac Co
Tracking servo device
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1985-11-15
1987-05-28
Teac Co
Information recording disc
JP2574752B2
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*
1986-01-22
1997-01-22
株式会社日立製作所
Information recording medium and recording / reproducing method
NL8600934A
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*
1986-04-14
1987-11-02
Optical Storage Int
OPTICAL REGISTRATION CARRIER AND DEVICE FOR READING THE REGISTRATION CARRIER.
NL8601006A
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1986-04-21
1987-11-16
Philips Nv
METHOD FOR SCANNING A RADIATION-SENSITIVE REGISTRATION SURFACE OF A ROTATING DISK CARRIER USING A MODULATED RADIATION BEAM, AND OPTICAL WRITING DEVICE FOR CARRYING OUT THE METHOD
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1986-04-23
1990-09-18
Drexler Technology Corp.
Method for making an optical data card
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1986-04-23
1990-06-26
Drexler Technology Corporation
Optical recording tape with continuous prerecorded tracks
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Aquidneck Systems International, Inc.
Optical disk data storage method and apparatus with buffered interface
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Compressed data optical disk storage system
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1986-06-13
1987-12-22
Csk Corp
Recording format for optical recording medium
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1986-09-15
1988-07-26
International Business Machines Corporation
High speed track access for optical disks using acousto-optic deflector
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1992-05-12
Olympus Optical Co., Ltd.
Optical card having an identifier for identifying track construction and apparatus for writing and/or reading data on and/or from the optical card
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1987-02-27
1993-05-25
Matsushita Electric Industrial Co., Ltd.
Erasable optical disk and optical information recording/reproduction apparatus
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1987-03-13
1991-10-18
미쯔비시덴끼 가부시끼가이샤
Optical disk
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1987-04-06
1987-05-13
Morse Controls
Remote control mechanisms
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1987-06-24
1991-05-28
Digital Equipment Corporation
Overwriting system for magneto-optical recording with self timing track
US4814903A
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*
1987-06-29
1989-03-21
International Business Machines Corporation
Alternate storage areas in magnetooptical media
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1989-03-20
1989-05-04
Dewar Productions Inc
Semi-timing optic lathe
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1989-05-15
1991-04-11
Seiko Epson Corp
Optical information recording medium
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1989-12-27
1991-09-03
Victor Co Of Japan Ltd
Draw type information recording medium and its recording device
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1990-01-17
1993-05-11
International Business Machines Corporation
Sectored servo independent of data architecture
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1992-10-23
Toshiba Corp
Disk reproducing device
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Record carrier having at least two information volumes
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Method and device for recording information volumes in a track of a record carrier, and a device for reading the record carrier
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Method and arrangement for recording pieces of information in a track of a record carrier and device for reading out a record carrier obtained in this way
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patent/SE415305B/en
unknown
1976-05-19
GB
GB20682/76A
patent/GB1551327A/en
not_active
Expired
1976-05-19
IT
IT23403/76A
patent/IT1060627B/en
active
1976-05-21
FR
FR7615388A
patent/FR2312087A1/en
active
Granted
1976-05-21
JP
JP51058025A
patent/JPS608530B2/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS51146803A
(en)
1976-12-16
CA1077620A
(en)
1980-05-13
US4094013A
(en)
1978-06-06
SE415305B
(en)
1980-09-22
IT1060627B
(en)
1982-08-20
FR2312087A1
(en)
1976-12-17
SE7605648L
(en)
1976-11-23
JPS608530B2
(en)
1985-03-04
FR2312087B1
(en)
1979-07-27
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Legal Events
Date
Code
Title
Description
1979-11-14
PS
Patent sealed [section 19, patents act 1949]
1990-01-17
PCNP
Patent ceased through non-payment of renewal fee