AU505234B2 – Reading a flat record carrier withan optically readable information structure
– Google Patents
AU505234B2 – Reading a flat record carrier withan optically readable information structure
– Google Patents
Reading a flat record carrier withan optically readable information structure
Info
Publication number
AU505234B2
AU505234B2
AU11405/76A
AU1140576A
AU505234B2
AU 505234 B2
AU505234 B2
AU 505234B2
AU 11405/76 A
AU11405/76 A
AU 11405/76A
AU 1140576 A
AU1140576 A
AU 1140576A
AU 505234 B2
AU505234 B2
AU 505234B2
Authority
AU
Australia
Prior art keywords
withan
reading
record carrier
readable information
information structure
Prior art date
1975-02-28
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
AU11405/76A
Other versions
AU1140576A
(en
Inventor
J. J. M. Greve P. F. Immink Ka Braaf
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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.)
1975-02-28
Filing date
1976-02-25
Publication date
1979-11-15
1976-02-25
Application filed by Philips Gloeilampenfabrieken NV
filed
Critical
Philips Gloeilampenfabrieken NV
1977-09-01
Publication of AU1140576A
publication
Critical
patent/AU1140576A/en
1979-11-15
Application granted
granted
Critical
1979-11-15
Publication of AU505234B2
publication
Critical
patent/AU505234B2/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
G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
G11B7/13—Optical detectors therefor
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
G11B7/005—Reproducing
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
G11B7/0908—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 focusing only
G11B7/0917—Focus-error methods other than those covered by G11B7/0909 – G11B7/0916
AU11405/76A
1975-02-28
1976-02-25
Reading a flat record carrier withan optically readable information structure
Expired
AU505234B2
(en)
Applications Claiming Priority (2)
Application Number
Priority Date
Filing Date
Title
NLAANVRAGE7502373,A
NL177157C
(en)
1975-02-28
1975-02-28
DEVICE FOR READING A FLAT RECORD CARRIER WITH AN OPTICALLY READABLE INFORMATION STRUCTURE.
NLNL7502373
1975-02-28
Publications (2)
Publication Number
Publication Date
AU1140576A
AU1140576A
(en)
1977-09-01
AU505234B2
true
AU505234B2
(en)
1979-11-15
Family
ID=19823273
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
AU11405/76A
Expired
AU505234B2
(en)
1975-02-28
1976-02-25
Reading a flat record carrier withan optically readable information structure
Country Status (20)
Country
Link
US
(1)
US4006293A
(en)
JP
(1)
JPS574016B2
(en)
AR
(1)
AR208585A1
(en)
AT
(1)
AT347149B
(en)
AU
(1)
AU505234B2
(en)
BE
(1)
BE838982A
(en)
BR
(1)
BR7601175A
(en)
CA
(1)
CA1072679A
(en)
CH
(1)
CH601888A5
(en)
DE
(1)
DE2606006C3
(en)
DK
(1)
DK141184B
(en)
FR
(1)
FR2302646A1
(en)
GB
(1)
GB1533888A
(en)
IT
(1)
IT1057601B
(en)
NL
(1)
NL177157C
(en)
NO
(1)
NO760631L
(en)
NZ
(1)
NZ180117A
(en)
PL
(1)
PL106758B1
(en)
SE
(1)
SE411601B
(en)
ZA
(1)
ZA76172B
(en)
Families Citing this family (40)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2325987A1
(en)
*
1975-09-29
1977-04-22
Thomson Brandt
OPTICAL READING DEVICE FOR A RECORDING
JPS5274218A
(en)
*
1975-12-17
1977-06-22
Mansei Kogyo Kk
Device for controlling focal point of optical information reader
NL7600843A
(en)
*
1976-01-28
1977-08-01
Philips Nv
DEVICE FOR READING A RECORDING CARRIER ON WHICH INFORMATION, FOR EXAMPLE AND / OR AUDIO INFORMATION, HAS BEEN STORED.
DE2652936C3
(en)
*
1976-11-22
1980-11-27
Bts-Systementwicklungs Gmbh, 1000 Berlin
Audiovisual playback device
US4370679A
(en)
*
1978-03-27
1983-01-25
Discovision Associates
Gain correction system for videodisc player apparatus
US4358796A
(en)
*
1978-03-27
1982-11-09
Discovision Associates
Spindle servo system for videodisc player
US4371899A
(en)
*
1978-03-27
1983-02-01
Discovision Associates
Time base error correction system for player
SE7813460L
(en)
*
1978-03-27
1979-09-28
Mca Disco Vision
VIDEO PLAYER
NL7803517A
(en)
*
1978-04-03
1979-10-05
Philips Nv
RECORD CARRIER WITH AN OPTICALLY READABLE PHASE STRUCTURE AND DEVICE FOR READING.
NL7803969A
(en)
*
1978-04-14
1979-10-16
Philips Nv
OPTO-ELECTRONIC FOCUS ERROR DETECTION SYSTEM.
NL7805069A
(en)
*
1978-05-11
1979-11-13
Philips Nv
Apparatus for point-wise scanning of an information plane.
NL7904724A
(en)
*
1979-06-18
1980-12-22
Philips Nv
OPTICAL SCANNER WITH FOCUSING SYSTEM.
US4349901A
(en)
*
1980-06-20
1982-09-14
Eastman Kodak Company
Apparatus and method for reading optical discs
US4484319A
(en)
*
1980-09-19
1984-11-20
Matsushita Electric Industrial Co., Ltd.
Apparatus for locating a track on disc-like optical information carriers
JPS57105828A
(en)
*
1980-12-19
1982-07-01
Matsushita Electric Ind Co Ltd
Optical disk recording and reproducing system
JPS57111838A
(en)
*
1980-12-27
1982-07-12
Olympus Optical Co Ltd
Optical information reader
JPS57187071U
(en)
*
1981-05-25
1982-11-27
US4464567A
(en)
*
1981-06-30
1984-08-07
Storage Technology Corporation
Photoelectric information and focus detector
US4458144A
(en)
*
1981-06-30
1984-07-03
Storage Technology Corporation
Apparatus for reading information stored in a track pattern on a radiation reflecting record
JPS5856236A
(en)
*
1981-09-28
1983-04-02
Hitachi Ltd
Optical track position detector
JPS59198542A
(en)
*
1983-04-26
1984-11-10
Sony Corp
Optical disc player
US4740940A
(en)
*
1985-03-11
1988-04-26
Matsushita Electric Industrial Co., Ltd.
Optical information read apparatus
JPH0640392B2
(en)
*
1986-08-29
1994-05-25
三菱電機株式会社
Condenser spot position detector for optical information recording / reproducing device
JPH0777048B2
(en)
*
1987-06-26
1995-08-16
三菱電機株式会社
Recording medium drive
DE3852350T2
(en)
*
1987-07-22
1995-07-27
Omron Tateisi Electronics Co
Device for determining the inclination of an optical card.
US5179268A
(en)
*
1987-07-22
1993-01-12
Omron Tateisi Electronic Co.
Apparatus for detecting inclination of an optical card
EP0317224B1
(en)
*
1987-11-17
1993-08-04
Matsushita Electric Industrial Co., Ltd.
Focus detection system for an optical disk drive using photo sensor elements in the far field of information pits
US4958245A
(en)
*
1988-04-07
1990-09-18
Insite Peripherals, Inc.
Apparatus and method for optical servo control with media having information storage and servo control regions of different reflectivities
US5121371A
(en)
*
1990-06-18
1992-06-09
Bernoulli Optical Systems Company
Optical servo system for magnetic disk
US5677903A
(en)
*
1991-03-25
1997-10-14
U.S. Phillips Corporation
Multi-layer information storage system with improved aberration correction
JP3063805B2
(en)
*
1991-02-25
2000-07-12
オリンパス光学工業株式会社
Optical information reproducing apparatus and recording medium
JP3157873B2
(en)
*
1991-11-15
2001-04-16
パイオニア株式会社
Focus control device in optical pickup device
DE69328593T2
(en)
*
1992-07-31
2001-01-04
Matsushita Electric Ind Co Ltd
Optical storage medium
JP2563747B2
(en)
*
1993-05-31
1996-12-18
松下電器産業株式会社
Optical disc device
EP0845142A1
(en)
*
1995-12-27
1998-06-03
Koninklijke Philips Electronics N.V.
Device for scanning an optically readable record carrier
JPH11501444A
(en)
*
1995-12-27
1999-02-02
フィリップス エレクトロニクス ネムローゼ フェンノートシャップ
Apparatus for scanning an optically readable recording medium
US8638437B2
(en)
2008-02-14
2014-01-28
J.A. Woollam Co., Inc.
System and method of aligning a sample
US8064055B2
(en)
*
2008-02-14
2011-11-22
J.A. Woollam Co., Inc.
System and method of aligning a sample
JP5207240B2
(en)
*
2008-08-11
2013-06-12
学校法人金井学園
Method of detecting focus error of optical recording / reproducing medium, and beam splitting controller of light emitting device used therefor
US8983787B1
(en)
2008-12-12
2015-03-17
Martin M. Liphardt
Method of evaluating data quality
Family Cites Families (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2266932B1
(en)
*
1973-03-02
1977-09-02
Thomson Brandt
US3919465A
(en)
*
1974-01-14
1975-11-11
Zenith Radio Corp
Optical system for directly detecting spatially recorded signals
1975
1975-02-28
NL
NLAANVRAGE7502373,A
patent/NL177157C/en
not_active
IP Right Cessation
1975-04-16
US
US05/568,727
patent/US4006293A/en
not_active
Expired – Lifetime
1976
1976-01-13
ZA
ZA760172A
patent/ZA76172B/en
unknown
1976-02-11
AR
AR262205A
patent/AR208585A1/en
active
1976-02-14
DE
DE2606006A
patent/DE2606006C3/en
not_active
Expired
1976-02-25
BR
BR7601175A
patent/BR7601175A/en
unknown
1976-02-25
AU
AU11405/76A
patent/AU505234B2/en
not_active
Expired
1976-02-25
SE
SE7602296A
patent/SE411601B/en
not_active
IP Right Cessation
1976-02-25
NZ
NZ180117A
patent/NZ180117A/en
unknown
1976-02-25
IT
IT67434/76A
patent/IT1057601B/en
active
1976-02-25
GB
GB7415/76A
patent/GB1533888A/en
not_active
Expired
1976-02-25
CA
CA246,519A
patent/CA1072679A/en
not_active
Expired
1976-02-25
NO
NO760631A
patent/NO760631L/no
unknown
1976-02-25
DK
DK79576AA
patent/DK141184B/en
unknown
1976-02-25
CH
CH234276A
patent/CH601888A5/xx
not_active
IP Right Cessation
1976-02-26
AT
AT142276A
patent/AT347149B/en
not_active
IP Right Cessation
1976-02-26
JP
JP1948876A
patent/JPS574016B2/ja
not_active
Expired
1976-02-26
PL
PL1976187533A
patent/PL106758B1/en
unknown
1976-02-26
BE
BE164685A
patent/BE838982A/en
not_active
IP Right Cessation
1976-02-27
FR
FR7605470A
patent/FR2302646A1/en
active
Granted
Also Published As
Publication number
Publication date
NL177157C
(en)
1985-08-01
GB1533888A
(en)
1978-11-29
BE838982A
(en)
1976-08-26
CA1072679A
(en)
1980-02-26
AU1140576A
(en)
1977-09-01
NZ180117A
(en)
1978-04-28
BR7601175A
(en)
1976-09-14
IT1057601B
(en)
1982-03-30
DE2606006A1
(en)
1976-09-09
NL177157B
(en)
1985-03-01
DK141184B
(en)
1980-01-28
DK79576A
(en)
1976-08-29
CH601888A5
(en)
1978-07-14
FR2302646B1
(en)
1982-05-07
NL7502373A
(en)
1976-08-31
US4006293A
(en)
1977-02-01
PL106758B1
(en)
1980-01-31
SE7602296L
(en)
1976-08-30
DE2606006C3
(en)
1978-10-05
ATA142276A
(en)
1978-04-15
NO760631L
(en)
1976-08-31
AT347149B
(en)
1978-12-11
SE411601B
(en)
1980-01-14
DE2606006B2
(en)
1978-01-26
ZA76172B
(en)
1977-08-31
AR208585A1
(en)
1977-02-15
DK141184C
(en)
1980-07-07
JPS51110214A
(en)
1976-09-29
JPS574016B2
(en)
1982-01-23
FR2302646A1
(en)
1976-09-24
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None