GB1551327A

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)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR2337472A1
(en)

*

1975-12-29
1977-07-29
Telediffusion Fse

CONTROL SYSTEM FOR THE POSITIONING OF THE HEAD OF A DISC PLAYER AND IN PARTICULAR VIDEODISC

GB1577133A
(en)

*

1976-03-19
1980-10-22
Rca Corp
Video information record and playback apparatus

FR2366636A1
(en)

*

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
(en)

*

1977-07-01
1979-01-26
Thomson Brandt

OPTICAL INFORMATION DISC READER EQUIPPED WITH AN AUTOMATIC INFORMATION ACCESS DEVICE

US4205338A
(en)

*

1977-11-03
1980-05-27
Laser File Inc.
Disc recording tracking system

JPS5465503A
(en)

*

1977-11-04
1979-05-26
Hitachi Ltd
Information recorder-reproducer

NL187413C
(en)

*

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)

*

1979-05-14
1981-08-11
Xerox Corporation
Optical memory having a parallel read out

US4290122A
(en)

*

1979-05-14
1981-09-15
Xerox Corporation
Self-synchronizing clock source for optical memories

US4296491A
(en)

*

1979-07-30
1981-10-20
Atlantic Richfield Company
Information carrier having inter-track identification code information

US4412319A
(en)

*

1979-10-18
1983-10-25
Rca Corporation
Video disc player with self calibrating stylus translator

US4330879A
(en)

*

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
(en)

*

1981-12-11
1983-06-14
Victor Co Of Japan Ltd
Information recording disk and its character recording system

US4428075A
(en)

*

1981-12-21
1984-01-24
Burroughs Corporation
Methods of preformatting an optical disk

US4475132A
(en)

*

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

USRE32937E
(en)

*

1982-03-19
1989-05-30
Magnetic Peripherals, Inc.
Modulation system for optical recording

US4456981A
(en)

*

1982-03-19
1984-06-26
Magnetic Peripherals Inc.
Modulation system for optical recording

US4751692A
(en)

*

1982-04-15
1988-06-14
Discovision Associates
Method and apparatus for recovering information from a videodisc

FR2528605B1
(en)

*

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

US4805162A
(en)

*

1982-11-01
1989-02-14
Storage Technology Partners Ii
Fine and coarse servo system for access and tracking on an optical disk

WO1984003583A1
(en)

*

1983-03-07
1984-09-13
Storage Technology Partners
System for sensing the rotational position of a rotating disk having coarse seek tracks

JP2578738B2
(en)

*

1983-03-19
1997-02-05
ソニー株式会社

Record player with automatic music selection function

EP0145751A1
(en)

*

1983-06-07
1985-06-26
Storage Technology Partners Ii
A system and method for organizing and managing data stored on an informational disk

JPH0812743B2
(en)

*

1983-06-30
1996-02-07
株式会社東芝

Disk unit

JPH0634304B2
(en)

*

1983-09-01
1994-05-02
ソニー株式会社

Disk playback device

US4567532A
(en)

*

1983-09-16
1986-01-28
Sanders Associates, Inc.
Selectable view video record/playback system

EP0157834A1
(en)

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1983-09-19
1985-10-16
Storage Technology Partners Ii
Preformatted diagnostic information recording disk

WO1985001382A1
(en)

*

1983-09-19
1985-03-28
Storage Technology Partners Ii
Optically storing digital data

US4538069A
(en)

*

1983-10-28
1985-08-27
Control Data Corporation
Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus

US4736352A
(en)

*

1983-11-25
1988-04-05
Matsushita Electric Industrial Co., Ltd.
Optical recording medium and apparatus for recording and reproducing data therein

US4672600A
(en)

*

1983-11-28
1987-06-09
Northern Telecom Limited
Optical disc having protective cover

JPS60177404A
(en)

*

1984-02-23
1985-09-11
Toshiba Corp
Disk device

EP0164061B1
(en)

*

1984-06-01
1989-05-17
Matsushita Electric Industrial Co., Ltd.
Optical disk exclusively used for reproduction

US4706117A
(en)

*

1984-06-01
1987-11-10
Arnold Schoolman
Stereo laser disc viewing system

JPH0619863B2
(en)

*

1984-06-13
1994-03-16
株式会社日立製作所

Magneto-optical information storage method and device

US4740941A
(en)

*

1984-07-06
1988-04-26
Storage Technology Partners 11
System for aligning sector marks with data in a disk storage system

EP0177737A3
(en)

*

1984-08-28
1988-07-06
Fuji Photo Film Co., Ltd.
Optical memory disk and track access therefor

JPS61168131A
(en)

*

1985-01-21
1986-07-29
Matsushita Electric Ind Co Ltd
Optical information recording and reproducing device

US4813011A
(en)

*

1985-05-13
1989-03-14
International Business Machines Corporation
Data processing peripheral subsystems having a controller and a plurality of peripheral devices

US4841502A
(en)

*

1985-06-14
1989-06-20
Kabushiki Kaisha Toshiba
Information recording system and reproducing for recording and reproducing information on a magneto-optical disk

US4949331A
(en)

*

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
(en)

*

1985-11-07
1987-05-20
Teac Co
Tracking servo device

JPS62117168A
(en)

*

1985-11-15
1987-05-28
Teac Co
Information recording disc

JP2574752B2
(en)

*

1986-01-22
1997-01-22
株式会社日立製作所

Information recording medium and recording / reproducing method

NL8600934A
(en)

*

1986-04-14
1987-11-02
Optical Storage Int

OPTICAL REGISTRATION CARRIER AND DEVICE FOR READING THE REGISTRATION CARRIER.

NL8601006A
(en)

*

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

US4957580A
(en)

*

1986-04-23
1990-09-18
Drexler Technology Corp.
Method for making an optical data card

US4937810A
(en)

*

1986-04-23
1990-06-26
Drexler Technology Corporation
Optical recording tape with continuous prerecorded tracks

US5034914A
(en)

*

1986-05-15
1991-07-23
Aquidneck Systems International, Inc.
Optical disk data storage method and apparatus with buffered interface

US5247646A
(en)

*

1986-05-15
1993-09-21
Aquidneck Systems International, Inc.
Compressed data optical disk storage system

JPS62295270A
(en)

*

1986-06-13
1987-12-22
Csk Corp
Recording format for optical recording medium

US4760565A
(en)

*

1986-09-15
1988-07-26
International Business Machines Corporation
High speed track access for optical disks using acousto-optic deflector

US5113061A
(en)

*

1987-02-13
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

US5214635A
(en)

*

1987-02-27
1993-05-25
Matsushita Electric Industrial Co., Ltd.
Erasable optical disk and optical information recording/reproduction apparatus

KR910008503B1
(en)

*

1987-03-13
1991-10-18
미쯔비시덴끼 가부시끼가이샤
Optical disk

GB8708166D0
(en)

*

1987-04-06
1987-05-13
Morse Controls
Remote control mechanisms

US5020040A
(en)

*

1987-06-24
1991-05-28
Digital Equipment Corporation
Overwriting system for magneto-optical recording with self timing track

US4814903A
(en)

*

1987-06-29
1989-03-21
International Business Machines Corporation
Alternate storage areas in magnetooptical media

GB8906353D0
(en)

*

1989-03-20
1989-05-04
Dewar Productions Inc
Semi-timing optic lathe

JPH0386944A
(en)

1989-05-15
1991-04-11
Seiko Epson Corp
Optical information recording medium

JPH03201266A
(en)

*

1989-12-27
1991-09-03
Victor Co Of Japan Ltd
Draw type information recording medium and its recording device

US5210660A
(en)

*

1990-01-17
1993-05-11
International Business Machines Corporation
Sectored servo independent of data architecture

JPH04301222A
(en)

*

1991-03-28
1992-10-23
Toshiba Corp
Disk reproducing device

US5878019A
(en)

*

1991-04-02
1999-03-02
U.S. Philips Corporation
Record carrier having at least two information volumes

US5341356A
(en)

*

1991-04-02
1994-08-23
U.S. Philips Corporation
Method and device for recording information volumes in a track of a record carrier, and a device for reading the record carrier

DE69226031T2
(en)

*

1991-04-02
1999-02-11
Philips Electronics Nv

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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(en)

*

1997-09-18
1999-04-09
Fujitsu Ltd
Recording/reproducing device of information recording medium, and information recording medium

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(en)

*

2001-06-21
2004-10-05
Hitachi Global Storage Technologies Netherlands B.V.
Method and apparatus for evaluating a head-disk interface condition for disk drives

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patent/US4094013A/en
not_active
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1976-05-19
CA
CA252,861A
patent/CA1077620A/en
not_active
Expired

1976-05-19
SE
SE7605648A
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

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