AU510208B2 – Eccentricity compensating system
– Google Patents
AU510208B2 – Eccentricity compensating system
– Google Patents
Eccentricity compensating system
Info
Publication number
AU510208B2
AU510208B2
AU23389/77A
AU2338977A
AU510208B2
AU 510208 B2
AU510208 B2
AU 510208B2
AU 23389/77 A
AU23389/77 A
AU 23389/77A
AU 2338977 A
AU2338977 A
AU 2338977A
AU 510208 B2
AU510208 B2
AU 510208B2
Authority
AU
Australia
Prior art keywords
compensating system
eccentricity compensating
eccentricity
compensating
Prior art date
1976-03-19
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
AU23389/77A
Other versions
AU2338977A
(en
Inventor
L. V. and Luther A. C. Hedlund Jr
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.)
RCA Corp
Original Assignee
RCA Corp
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.)
1976-03-19
Filing date
1977-03-18
Publication date
1980-06-12
1977-03-18
Application filed by RCA Corp
filed
Critical
RCA Corp
1978-09-21
Publication of AU2338977A
publication
Critical
patent/AU2338977A/en
1980-06-12
Application granted
granted
Critical
1980-06-12
Publication of AU510208B2
publication
Critical
patent/AU510208B2/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
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
G11B7/09—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
G11B7/0901—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 for track following only
G11B7/0904—Dithered tracking systems
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
G11B7/08—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
G11B7/095—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble
G11B7/0953—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 specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for eccentricity of the disc or disc tracks
AU23389/77A
1976-03-19
1977-03-18
Eccentricity compensating system
Expired
AU510208B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
GBGB11119/76
1976-03-19
GB11119/76A
GB1576426A
(en)
1976-03-19
1976-03-19
Eccentricity compensating system in recording and playbackapparatus
Publications (2)
Publication Number
Publication Date
AU2338977A
AU2338977A
(en)
1978-09-21
AU510208B2
true
AU510208B2
(en)
1980-06-12
Family
ID=9980387
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU23389/77A
Expired
AU510208B2
(en)
1976-03-19
1977-03-18
Eccentricity compensating system
Country Status (7)
Country
Link
US
(1)
US4138741A
(en)
JP
(1)
JPS52114305A
(en)
AU
(1)
AU510208B2
(en)
DE
(1)
DE2711924C2
(en)
FR
(1)
FR2344910A1
(en)
GB
(1)
GB1576426A
(en)
NL
(1)
NL7702979A
(en)
Families Citing this family (64)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US4321700A
(en)
*
1974-10-21
1982-03-23
Digital Recording Corporation
Optical track segment intercept 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
US4205338A
(en)
*
1977-11-03
1980-05-27
Laser File Inc.
Disc recording tracking system
JPS5480716A
(en)
*
1977-12-12
1979-06-27
Sony Corp
Automatic tracking apparatus
JPS5913101B2
(en)
*
1977-12-16
1984-03-27
株式会社日立製作所
Random access method
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.
NL7811003A
(en)
*
1978-11-06
1980-05-08
Philips Nv
DISC-SHAPED, OPTICALLY READABLE RECORD CARRIER, AS A STORAGE MEDIUM FOR DATA INFORMATION.
US4234837A
(en)
*
1979-01-12
1980-11-18
Mca Discovision, Inc.
Digital center tracking system
US4236105A
(en)
*
1979-01-12
1980-11-25
Mca Discovision, Inc.
Digital center tracking system
US4271334A
(en)
*
1979-04-06
1981-06-02
Discovision Associates
Apparatus for correcting for temperature-induced tracking errors in a system for recovering information from a recording disc
JPS5611673A
(en)
*
1979-07-03
1981-02-05
Pioneer Video Corp
Address information retrieval method in information recording medium reproducing unit
DE3066828D1
(en)
*
1979-07-16
1984-04-12
Discovision Ass
Video player/recorder for recording on a blank disk and method for home recording
US4245247A
(en)
*
1979-07-19
1981-01-13
Eastman Kodak Company
Hard copy reproduction from video disc information
GB2054240B
(en)
*
1979-07-19
1983-06-22
Burroughs Corp
Disc eccentricity measuring means
US4296491A
(en)
*
1979-07-30
1981-10-20
Atlantic Richfield Company
Information carrier having inter-track identification code information
FR2462758A1
(en)
*
1979-08-03
1981-02-13
Thomson Csf
OPTICAL DEVICE FOR ACCESSING A TRACK RUN BY AN INFORMATION CARRIER AND OPTICAL MEMORY SYSTEM COMPRISING SUCH A DEVICE
US4307418A
(en)
*
1979-10-12
1981-12-22
Rca Corporation
Video disc player system for correlating stylus position with information previously detected from disc
US4313134A
(en)
*
1979-10-12
1982-01-26
Rca Corporation
Track error correction system as for video disc player
US4419699A
(en)
*
1979-10-12
1983-12-06
Rca Corporation
Digital on video recording and playback system
US4331990A
(en)
*
1979-10-18
1982-05-25
Burroughs Corporation
Flat coil linear actuator for multiple transducer arms
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
CA1147858A
(en)
*
1980-07-16
1983-06-07
Discovision Associates
System for recording digital information in a pulse-length modulation format
JPS5730870U
(en)
*
1980-07-29
1982-02-18
US4386375A
(en)
*
1980-09-24
1983-05-31
Rca Corporation
Video disc player with multiple signal recovery transducers
US4365324A
(en)
*
1980-11-19
1982-12-21
Rca Corporation
Eccentricity control device
DE3049004A1
(en)
*
1980-12-24
1982-07-15
Robert Bosch Gmbh, 7000 Stuttgart
Video magnetic disc replay system – has switching circuit to handle track guidance during change-over of tracks
US4490752A
(en)
*
1981-04-01
1984-12-25
Victor Company Of Japan, Ltd.
Rotary recording medium having a selectively reproducible continuous stream of audio signals recorded thereon and reproducing apparatus therefor
JPS589226A
(en)
*
1981-07-07
1983-01-19
Toshiba Corp
Optical disk device
JPS5860471A
(en)
*
1981-10-07
1983-04-09
Nippon Kogaku Kk
Disk recording device
US4796098A
(en)
*
1981-12-04
1989-01-03
Discovision Associates
Banded and interleaved video disc format with duplicate information stored at different disc locations
US4797752A
(en)
*
1981-12-04
1989-01-10
Discovision Associates
Information storage carrier and method for storing duplicate information
JPS5897136A
(en)
*
1981-12-04
1983-06-09
Matsushita Electric Ind Co Ltd
Optical recorder
US4774699A
(en)
*
1981-12-21
1988-09-27
Discovision Associates
Method and apparatus for positioning a read head to a selected track on a record disc
JPS5916169A
(en)
*
1982-07-16
1984-01-27
Trio Kenwood Corp
Tracking servo device
JPS59218083A
(en)
*
1983-05-25
1984-12-08
Sony Corp
Disc recording device
WO1984004990A1
(en)
*
1983-06-07
1984-12-20
Storage Technology Partners
A system and method for organizing and managing data stored on an informational disk
JPS6055592U
(en)
*
1983-09-26
1985-04-18
本田技研工業株式会社
headlight device
JPS6095769A
(en)
*
1983-10-31
1985-05-29
Toshiba Corp
Disc recording and reproducing device
JPS60143442A
(en)
*
1983-12-28
1985-07-29
Olympus Optical Co Ltd
Tracking system
GB2158611A
(en)
*
1984-05-07
1985-11-13
Rca Corp
Servo error reduction apparatus for disc record playback system
US4706117A
(en)
*
1984-06-01
1987-11-10
Arnold Schoolman
Stereo laser disc viewing system
US4571714A
(en)
*
1984-07-06
1986-02-18
Storage Technology Partners Ii
Read beam position calibration
US4578786A
(en)
*
1984-07-06
1986-03-25
Storage Technology Partners Ii
Track pitch calibration system for use in optical storage devices
US4577301A
(en)
*
1984-07-06
1986-03-18
Storage Technology Partners Ii
Track pitch calibration error reduction
JPS61168131A
(en)
*
1985-01-21
1986-07-29
Matsushita Electric Ind Co Ltd
Optical information recording and reproducing device
JPS61177884A
(en)
*
1985-02-04
1986-08-09
Hitachi Denshi Ltd
Picture data recording reproducing system
US4907214A
(en)
*
1985-12-18
1990-03-06
Kabushiki Kaisha Toshiba
Eccentricity correction apparatus for an optical disk device
DE3632465A1
(en)
*
1986-09-24
1988-03-31
Siemens Ag
Process and device for recording a circular track on a data storage disc
JP2523555B2
(en)
*
1986-12-19
1996-08-14
株式会社日立製作所
Light spot control method and position control device
US4764914A
(en)
*
1987-09-11
1988-08-16
Eastman Kodak Company
Least squares method and apparatus for determining track eccentricity of a disk
US4897827A
(en)
*
1987-12-12
1990-01-30
U.S. Philips Corporation
Video disc player with rapid track access means
EP0563230B1
(en)
*
1990-12-19
2000-02-16
Mobile Storage Technology Inc.
Miniature hard disk drive for portable computer
US6310747B1
(en)
1991-09-25
2001-10-30
Mobile Storage Technology, Inc.
Method for reducing external signal interference with signals in a computer disk storage system
WO1993006595A1
(en)
*
1991-09-25
1993-04-01
Integral Peripherals, Inc.
Adaptive runout compensation for miniature disk drives
US5379171A
(en)
*
1991-09-25
1995-01-03
Integral Peripherals
Microminiature hard disk drive
US5463758A
(en)
*
1993-08-02
1995-10-31
International Business Machines Corporation
System and method for reducing seek time for read operations in mirrored DASD files
CA2138301C
(en)
*
1994-01-21
1998-12-15
Hal Hjalmar Ottesen
Apparatus and method for providing multimedia data
US6091559A
(en)
*
1994-12-19
2000-07-18
Mobile Storage Technology Inc.
Variable zone layout and track pitch parameter considerations for information storage disk drive
US5596458A
(en)
*
1994-12-19
1997-01-21
Integral Peripherals, Inc.
Variable zone layout for information storage disk drive
US7102692B1
(en)
*
1999-10-13
2006-09-05
Thomson Licensing
Digital and analog television signal digitization and processing device
US7342741B1
(en)
2000-02-10
2008-03-11
Esgw Holdings Limited
Disk drive with variable track density
US20060274614A1
(en)
*
2003-09-09
2006-12-07
Koninklijke Philips Electronics N.V.
Management of use of information that is recorded on an optical disk
KR20090118745A
(en)
*
2008-05-14
2009-11-18
삼성전자주식회사
Method for optimizing servo pattern overhead and disk drive using the same
US8077426B2
(en)
*
2008-12-16
2011-12-13
Guzik Technical Enterprises
Magnetic disk centering method and system
Family Cites Families (13)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US2792454A
(en)
*
1954-01-21
1957-05-14
Teldec Schallplatten G M B H
Storage device
US2792455A
(en)
*
1954-01-21
1957-05-14
Teldec Schallplatten G M B H
Recording apparatus
US3654624A
(en)
*
1969-03-17
1972-04-04
Precision Instr Co
Laser recording system using drum mounted record strips
US3716845A
(en)
*
1972-03-09
1973-02-13
Honeywell Inc
Optical memory with interferometer tracking
US3945037A
(en)
*
1972-06-01
1976-03-16
Iomec, Inc.
Feedback control system for linear position transducer
US3946367A
(en)
*
1972-12-20
1976-03-23
Videonics Of Hawaii, Inc.
Three dimensional electro-optical retrieval system
NL174591C
(en)
*
1973-02-09
1984-07-02
Philips Nv
DISC REGISTRATION CARRIER BODY.
US3943565A
(en)
*
1973-09-26
1976-03-09
Loewe-Opta Gmbh
Track scan initiation and cutout arrangement for a helical scan video recorder
US3932700A
(en)
*
1974-02-04
1976-01-13
Zenith Radio Corporation
Focus tracking registration for optical reproducing systems
US4056830A
(en)
*
1974-03-15
1977-11-01
Burroughs Corporation
Utilizing data for transducer positioning
US3881184A
(en)
*
1974-05-28
1975-04-29
Ibm
Adaptive digital servo system
US3956766A
(en)
*
1974-11-25
1976-05-11
International Business Machines Corporation
Counter resetting circuitry for magnetic disk system
US4048660A
(en)
*
1975-12-23
1977-09-13
International Business Machines Corporation
Record track following and seeking
1976
1976-03-19
GB
GB11119/76A
patent/GB1576426A/en
not_active
Expired
1977
1977-03-14
US
US05/777,475
patent/US4138741A/en
not_active
Expired – Lifetime
1977-03-18
FR
FR7708219A
patent/FR2344910A1/en
active
Granted
1977-03-18
DE
DE2711924A
patent/DE2711924C2/en
not_active
Expired
1977-03-18
NL
NL7702979A
patent/NL7702979A/en
not_active
Application Discontinuation
1977-03-18
JP
JP3102277A
patent/JPS52114305A/en
active
Granted
1977-03-18
AU
AU23389/77A
patent/AU510208B2/en
not_active
Expired
Also Published As
Publication number
Publication date
JPS5757768B2
(en)
1982-12-06
DE2711924A1
(en)
1977-09-22
DE2711924C2
(en)
1983-04-21
FR2344910B1
(en)
1981-02-27
JPS52114305A
(en)
1977-09-26
US4138741A
(en)
1979-02-06
NL7702979A
(en)
1977-09-21
AU2338977A
(en)
1978-09-21
GB1576426A
(en)
1980-10-08
FR2344910A1
(en)
1977-10-14
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None