GB2000612B – Optical reader for information discs equipped with means for automatic access to the information
– Google Patents
GB2000612B – Optical reader for information discs equipped with means for automatic access to the information
– Google Patents
Optical reader for information discs equipped with means for automatic access to the information
Info
Publication number
GB2000612B
GB2000612B
GB7828521A
GB7828521A
GB2000612B
GB 2000612 B
GB2000612 B
GB 2000612B
GB 7828521 A
GB7828521 A
GB 7828521A
GB 7828521 A
GB7828521 A
GB 7828521A
GB 2000612 B
GB2000612 B
GB 2000612B
Authority
GB
United Kingdom
Prior art keywords
information
optical reader
automatic access
discs equipped
information discs
Prior art date
1977-07-01
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
GB7828521A
Other versions
GB2000612A
(en
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.)
Thomson-Brandt SA
Original Assignee
Thomson-Brandt SA
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.)
1977-07-01
Filing date
1978-06-30
Publication date
1982-01-13
1978-06-30
Application filed by Thomson-Brandt SA
filed
Critical
Thomson-Brandt SA
1979-01-10
Publication of GB2000612A
publication
Critical
patent/GB2000612A/en
1982-01-13
Application granted
granted
Critical
1982-01-13
Publication of GB2000612B
publication
Critical
patent/GB2000612B/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G05—CONTROLLING; REGULATING
G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
G05B19/00—Programme-control systems
G05B19/02—Programme-control systems electric
G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
G05B19/19—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path
G05B19/39—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by positioning or contouring control systems, e.g. to control position from one programmed point to another or to control movement along a programmed continuous path using a combination of the means covered by at least two of the preceding sub-groups G05B19/21, G05B19/27, and G05B19/33
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
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
G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
G11B7/08517—Methods for track change, selection or preliminary positioning by moving the head with tracking pull-in only
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
G11B7/08505—Methods for track change, selection or preliminary positioning by moving the head
G11B7/08541—Methods for track change, selection or preliminary positioning by moving the head involving track counting to determine position
G—PHYSICS
G05—CONTROLLING; REGULATING
G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
G05B2219/00—Program-control systems
G05B2219/30—Nc systems
G05B2219/37—Measurements
G05B2219/37275—Laser, interferometer
GB7828521A
1977-07-01
1978-06-30
Optical reader for information discs equipped with means for automatic access to the information
Expired
GB2000612B
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
FR7720373A
FR2396379A1
(en)
1977-07-01
1977-07-01
OPTICAL INFORMATION DISC READER EQUIPPED WITH AN AUTOMATIC INFORMATION ACCESS DEVICE
Publications (2)
Publication Number
Publication Date
GB2000612A
GB2000612A
(en)
1979-01-10
GB2000612B
true
GB2000612B
(en)
1982-01-13
Family
ID=9192885
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB7828521A
Expired
GB2000612B
(en)
1977-07-01
1978-06-30
Optical reader for information discs equipped with means for automatic access to the information
Country Status (5)
Country
Link
US
(1)
US4138663A
(en)
CA
(1)
CA1109148A
(en)
DE
(1)
DE2828845A1
(en)
FR
(1)
FR2396379A1
(en)
GB
(1)
GB2000612B
(en)
Families Citing this family (69)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
JPS5913101B2
(en)
*
1977-12-16
1984-03-27
株式会社日立製作所
Random access method
EP0181436B1
(en)
*
1978-06-30
1989-06-14
Discovision Associates
Method and apparatus for information retrieval from an optically readable storage medium
USRE32574E
(en)
*
1978-06-30
1988-01-05
Discovision Associates
Method and apparatus for information retrieval from an optically readable storage medium
US4375091A
(en)
*
1978-06-30
1983-02-22
Discovision Associates
Method and apparatus for information retrieval from an optically readable storage medium
US4506355A
(en)
*
1981-08-24
1985-03-19
Discovision Associates
Method and apparatus for information retrieval from an optically readable storage medium
US4539664A
(en)
*
1978-08-25
1985-09-03
Matsushita Electric Industrial Co., Ltd.
Control system for optical information signal reproduction device
NL7810386A
(en)
*
1978-10-17
1980-04-21
Philips Nv
OPTICAL READING DEVICE FOR READING A DISC REGISTRATION CARRIER.
JPS5936347B2
(en)
*
1978-12-11
1984-09-03
日本ビクター株式会社
information record carrier
JPS5611673A
(en)
*
1979-07-03
1981-02-05
Pioneer Video Corp
Address information retrieval method in information recording medium reproducing unit
JPS6048809B2
(en)
*
1979-10-16
1985-10-29
パイオニアビデオ株式会社
Tracking servo retraction device in information reading device
US4340950A
(en)
*
1979-10-12
1982-07-20
Universal Pioneer Corporation
Video disc player
JPS6331218Y2
(en)
*
1979-11-08
1988-08-22
US4321622A
(en)
*
1979-11-26
1982-03-23
Mcdonnell Douglas Corporation
Video track transfer system and method
NL8003305A
(en)
*
1980-06-06
1982-01-04
Philips Nv
Apparatus for locating a desired information track.
US4484319A
(en)
*
1980-09-19
1984-11-20
Matsushita Electric Industrial Co., Ltd.
Apparatus for locating a track on disc-like optical information carriers
JPS5755570A
(en)
*
1980-09-22
1982-04-02
Victor Co Of Japan Ltd
Tracking control circuit of rotary information recording medium reproducer
US4406000A
(en)
*
1981-03-31
1983-09-20
Discovision Associates
Tracking system for optical record medium
US4414655A
(en)
*
1981-03-31
1983-11-08
Discovision Associates
Scanning beam control system
JPS57176568A
(en)
*
1981-04-22
1982-10-29
Pioneer Electronic Corp
Relative movement controller between pickup and recording track for information reader
JPS57198586A
(en)
*
1981-05-28
1982-12-06
Sony Corp
Digital disc reproducing device
JPS58122676A
(en)
*
1982-01-16
1983-07-21
Sony Corp
Track jump device for disc
US4443869A
(en)
*
1981-09-28
1984-04-17
Rca Corporation
Track jump servo system for disc player
KR880000999B1
(en)
*
1981-11-25
1988-06-10
미쓰다 가쓰시게
Optical memory apparatus
DE3300951C2
(en)
*
1982-01-16
1994-10-27
Sony Corp
Method and device for quickly moving a scanner of an information signal reproducing device
US4435797A
(en)
1982-02-17
1984-03-06
Burroughs Corporation
Optical memory system having track following and seeking capabilities
US4432082A
(en)
*
1982-02-17
1984-02-14
Burroughs Corporation
Optical memory system having a long seek capability
US4489406A
(en)
*
1982-02-17
1984-12-18
Burroughs Corporation
Optical memory system having a short seek capability
US4432083A
(en)
*
1982-02-17
1984-02-14
Burroughs Corporation
Optical memory system having track following
FR2523351B1
(en)
*
1982-03-09
1989-07-13
Thomson Csf
OPTICAL HEAD IN A RECORDING-READING DEVICE OF AN INFORMATION MEDIUM
US4674076A
(en)
*
1982-05-19
1987-06-16
Burroughs Corporation
Optical memory system having improved positioning and focusing control circuitry
DE3368794D1
(en)
*
1982-05-19
1987-02-05
Burroughs Corp
Optical memory system having improved positioning and focusing control circuitry
JPS5972692A
(en)
*
1982-10-20
1984-04-24
Canon Inc
Controller of picture signal reproducer
NL8303046A
(en)
*
1983-09-01
1985-04-01
Philips Nv
DEVICE FOR READING A DISC REGISTRATION CARRIER.
US4677602A
(en)
*
1983-04-05
1987-06-30
Pioneer Electronic Corporation
Device for controlling recording track jump operations with over-run correction
NL8303029A
(en)
*
1983-08-31
1985-03-18
Philips Nv
DEVICE FOR READING A DISC-SHAPED OPTICAL RECORD CARRIER.
JP2510410B2
(en)
*
1983-10-27
1996-06-26
パイオニア株式会社
Information selection device for disk player
US4594701A
(en)
*
1983-10-31
1986-06-10
Rca Corporation
System for recording data on spiral track
JPS60145576A
(en)
*
1984-01-10
1985-08-01
Canon Inc
Seeking system of optical information recording and reproducing device
JPH0690804B2
(en)
*
1984-01-20
1994-11-14
株式会社日立製作所
Optical information recording / reproducing device
DE3515472A1
(en)
*
1984-04-27
1985-11-07
Pioneer Electronic Corp., Tokio/Tokyo
AUTOMATIC TURNTABLE
JPS60254464A
(en)
*
1984-05-31
1985-12-16
Fuji Photo Film Co Ltd
Reproducing device of rotary recording body
JPS60256927A
(en)
*
1984-06-01
1985-12-18
Nippon Gakki Seizo Kk
Read controller of optical disc reproducing device
JPS6139239A
(en)
*
1984-07-28
1986-02-25
Sony Corp
Optical disc player
JP2644720B2
(en)
*
1985-02-25
1997-08-25
株式会社日立製作所
Truck retracting method
JPH0612572B2
(en)
*
1985-03-08
1994-02-16
オリンパス光学工業株式会社
Optical information recording / reproducing device
KR940002001B1
(en)
*
1985-03-22
1994-03-12
가부시끼가이샤 히다찌세이사꾸쇼
Access method and the information checking device
DE3618137A1
(en)
*
1985-05-31
1986-12-11
Hitachi, Ltd., Tokio/Tokyo
DISK ACCESS METHOD AND DISK STORAGE
DE3520189A1
(en)
*
1985-06-05
1986-12-11
Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen
METHOD FOR JUMPING IN TRACK SEARCH PROCESSES AND CIRCUIT ARRANGEMENT FOR IMPLEMENTING THE METHOD
FR2597248B1
(en)
*
1985-11-27
1988-05-13
Thomson Alcatel Gigadisc
PREGRAVED INFORMATION MEDIUM AND ITS SAMPLE ACCESS OPTICAL EXPLORATION DEVICE
KR870006556A
(en)
*
1985-12-13
1987-07-13
미쓰다 가쓰시게
Tracking Servo Control
US4727528A
(en)
*
1986-04-22
1988-02-23
Sri International
Optical media tracking method and apparatus for optical storage system
EP0261608A3
(en)
*
1986-09-20
1990-05-30
Csk Corporation
Optical recording medium
DE3886422T2
(en)
*
1987-02-27
1994-05-19
Sony Corp
DISK RECORDING DEVICE.
JPH0748257B2
(en)
*
1987-05-07
1995-05-24
富士通株式会社
Multi-track jump circuit for optical disk device
JP2565205B2
(en)
*
1987-08-20
1996-12-18
ソニー株式会社
Optical disk device
US4858041A
(en)
*
1987-10-20
1989-08-15
Mattel, Inc.
Tracking servo control
JP2892002B2
(en)
*
1987-11-20
1999-05-17
ソニー株式会社
Track access control device and track access method
JPH01148100A
(en)
*
1987-12-01
1989-06-09
Matsushita Electric Ind Co Ltd
Position controller
US4897827A
(en)
*
1987-12-12
1990-01-30
U.S. Philips Corporation
Video disc player with rapid track access means
US4912753A
(en)
*
1988-04-04
1990-03-27
Hughes Aircraft Company
Robot axis controller employing feedback and open loop (feedforward) control
JP2573301B2
(en)
*
1988-04-22
1997-01-22
株式会社東芝
Disk unit
KR950006419B1
(en)
*
1990-04-16
1995-06-15
삼성전자주식회사
High-speed search system in photo recording and displaying unit
FR2723243B1
(en)
*
1994-07-26
1996-09-06
Thomson Csf
DEVICE FOR RECORDING AND / OR PLAYING MAGNETIC HEADS AND ITS MANUFACTURING METHOD
FR2739965B1
(en)
*
1995-10-17
1997-11-07
Thomson Csf
LIGHT TRANSCEIVER DEVICE AND OPTICAL READING SYSTEM
CN1072825C
(en)
*
1995-11-20
2001-10-10
三星电子株式会社
Disk drive having eccentricity correction device
FR2786345B1
(en)
1998-11-24
2001-02-09
Thomson Csf
QUANTUM ENCRYPTION DEVICE
US6744711B1
(en)
2000-06-20
2004-06-01
Discovision Associates
Method and apparatus for a high-speed search of an optical medium
US7149173B2
(en)
*
2000-10-17
2006-12-12
Thales
Medium for recording optically readable data, method for making same and optical system reproducing said data
FR2824905B1
(en)
*
2001-05-15
2003-08-29
Thomson Csf
FIBER OPTIC GYROMETER
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Assignee
Title
GB1329662A
(en)
*
1971-05-07
1973-09-12
Eg C Inc
Memory system
NL7315419A
(en)
*
1973-11-10
1975-05-13
Philips Nv
DEVICE FOR READING A DISK-SHAPED REGISTRATION CARRIER.
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(en)
*
1974-04-16
1975-10-17
Erik Gerhard Natanel Westberg
OPTICAL MASS DATA MEMORY.
JPS6011374B2
(en)
*
1975-02-05
1985-03-25
株式会社日立製作所
Information reproducing method and device
DE2522405C2
(en)
*
1975-05-21
1982-04-15
Philips Patentverwaltung Gmbh, 2000 Hamburg
Multi-channel optical disk storage system for storing digital information
US4094013A
(en)
*
1975-05-22
1978-06-06
U.S. Philips Corporation
Optical storage disk system with disk track guide sectors
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(en)
*
1975-08-26
1977-03-01
Philips Nv
REGISTRATION CARRIER WITH AN OPTICALLY READABLE, TRACK-SIZED, INFORMATION STRUCTURE AND DEVICE FOR READING THIS.
FR2325987A1
(en)
*
1975-09-29
1977-04-22
Thomson Brandt
OPTICAL READING DEVICE FOR A RECORDING
NL174609C
(en)
*
1975-10-15
1984-07-02
Philips Nv
TRACK MIRROR IN AN OPTICAL RECORD PLAYER.
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(en)
*
1976-01-19
1977-07-21
Philips Nv
AUTOMATIC OPTICAL FOCUSING SYSTEM.
FR2349191A1
(en)
*
1976-04-23
1977-11-18
Thomson Brandt
OPTICAL INFORMATION DISC READER INCLUDING AN AUTOMATIC INFORMATION ACCESS DEVICE
US4093832A
(en)
*
1976-04-30
1978-06-06
Marvin Glass & Associates
Programmable record changer
1977
1977-07-01
FR
FR7720373A
patent/FR2396379A1/en
active
Granted
1978
1978-06-27
US
US05/919,552
patent/US4138663A/en
not_active
Expired – Lifetime
1978-06-30
DE
DE19782828845
patent/DE2828845A1/en
active
Granted
1978-06-30
CA
CA306,583A
patent/CA1109148A/en
not_active
Expired
1978-06-30
GB
GB7828521A
patent/GB2000612B/en
not_active
Expired
Also Published As
Publication number
Publication date
DE2828845A1
(en)
1979-01-11
FR2396379A1
(en)
1979-01-26
GB2000612A
(en)
1979-01-10
CA1109148A
(en)
1981-09-15
US4138663A
(en)
1979-02-06
FR2396379B1
(en)
1981-05-22
DE2828845C2
(en)
1992-02-20
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Legal Events
Date
Code
Title
Description
1998-07-22
PE20
Patent expired after termination of 20 years
Effective date:
19980629