AU5182879A

AU5182879A – Optically readable record carrier
– Google Patents

AU5182879A – Optically readable record carrier
– Google Patents
Optically readable record carrier

Info

Publication number
AU5182879A

AU5182879A
AU51828/79A
AU5182879A
AU5182879A
AU 5182879 A
AU5182879 A
AU 5182879A
AU 51828/79 A
AU51828/79 A
AU 51828/79A
AU 5182879 A
AU5182879 A
AU 5182879A
AU 5182879 A
AU5182879 A
AU 5182879A
Authority
AU
Australia
Prior art keywords
record carrier
optically readable
readable record
optically
carrier
Prior art date
1978-10-19
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.)

Granted

Application number
AU51828/79A
Other versions

AU531730B2
(en

Inventor
Jan Gerard Dil
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.)
1978-10-19
Filing date
1979-10-16
Publication date
1980-05-08

1979-10-16
Application filed by Philips Gloeilampenfabrieken NV
filed
Critical
Philips Gloeilampenfabrieken NV

1980-05-08
Publication of AU5182879A
publication
Critical
patent/AU5182879A/en

1983-09-01
Application granted
granted
Critical

1983-09-01
Publication of AU531730B2
publication
Critical
patent/AU531730B2/en

1999-10-16
Anticipated expiration
legal-status
Critical

Status
Ceased
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

G11B7/08—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

G11B7/24—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

G11B7/24073—Tracks

G11B7/24076—Cross sectional shape in the radial direction of a disc, e.g. asymmetrical cross sectional shape

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

AU51828/79A
1978-10-19
1979-10-16
Optically readable record carrier

Ceased

AU531730B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

NL7810463A

NL7810463A
(en)

1978-10-19
1978-10-19

REGISTRATION HOLDER IN WHICH INFORMATION IS PRESENTED IN AN OPTICALLY READABLE INFORMATION STRUCTURE.

NL7810463

1978-10-19

Publications (2)

Publication Number
Publication Date

AU5182879A
true

AU5182879A
(en)

1980-05-08

AU531730B2

AU531730B2
(en)

1983-09-01

Family
ID=19831739
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU51828/79A
Ceased

AU531730B2
(en)

1978-10-19
1979-10-16
Optically readable record carrier

Country Status (19)

Country
Link

US
(1)

US4930116A
(en)

JP
(1)

JPS5555449A
(en)

AT
(1)

AT367228B
(en)

AU
(1)

AU531730B2
(en)

BE
(1)

BE879463A
(en)

BR
(1)

BR7906659A
(en)

CA
(1)

CA1152643A
(en)

CH
(1)

CH651413A5
(en)

DE
(1)

DE2941943A1
(en)

DK
(1)

DK149276C
(en)

ES
(1)

ES485094A1
(en)

FR
(1)

FR2439522B1
(en)

GB
(1)

GB2034097B
(en)

IT
(1)

IT1119224B
(en)

NL
(1)

NL7810463A
(en)

NZ
(1)

NZ191856A
(en)

SE
(2)

SE7908542L
(en)

SG
(1)

SG56782G
(en)

ZA
(1)

ZA795363B
(en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

CA1165871A
(en)

*

1978-11-08
1984-04-17
Kornelis Bulthuis
Optically inscribable record carrier

JPS56117341A
(en)

*

1980-02-18
1981-09-14
Toshiba Corp
Optical disk and its manufacture

JPS57158047A
(en)

*

1981-03-24
1982-09-29
Toshiba Corp
Optical information recording medium

JPS5862842A
(en)

*

1981-10-09
1983-04-14
Matsushita Electric Ind Co Ltd
Optical recording disc

JPS58125242A
(en)

*

1982-01-22
1983-07-26
Victor Co Of Japan Ltd
Tracking error detecting system of optical information signal reproducing device

JPS6050848A
(en)

*

1983-08-31
1985-03-20
Wako Gomme Kogyo Kk
X-ray leakage prevention device for anode cap

JPH0648546B2
(en)

*

1984-07-14
1994-06-22
日本ビクター株式会社

Method of manufacturing information record carrier

GB8424948D0
(en)

*

1984-10-03
1984-11-07
Ici Plc
Optical recording medium

NL8500152A
(en)

*

1985-01-22
1986-08-18
Philips Nv

REGISTRATION CARRIER BODY INCLUDING PRE-APPLIED AND OPTICALLY DETECTABLE SERVOSCORE PARTS AND SECTOR ADDRESSES.

NL8500153A
(en)

*

1985-01-22
1986-08-18
Philips Nv

REGISTRATION CARRIER INCLUDING A RELIEF STRUCTURE OF OPTICALLY DETECTABLE SERVOSCORE PARTS AND SECTOR ADDRESSES AND APPARATUS FOR APPLYING THIS STRUCTURE.

US5144552A
(en)

*

1986-07-25
1992-09-01
Ricoh Company, Ltd.
Optical information storage medium having grooves and pits with specific depths, respectively

US5553051A
(en)

*

1987-09-04
1996-09-03
Hitachi, Ltd.
Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same

JPH01189039A
(en)

*

1988-01-22
1989-07-28
Mitsubishi Electric Corp
Optical information recording carrier

DE68921453T2
(en)

*

1988-12-28
1995-07-13
Canon Kk

Information recording media.

US7239602B2
(en)

*

1998-08-27
2007-07-03
Ricoh Company, Ltd.
Optical information recording medium with a partition wall between an information tracks groove and a preformat pit encoding information therefor

US6767695B2
(en)

*

2001-01-17
2004-07-27
International Business Machines Corporation
CDROM copy protection

WO2005124467A1
(en)

*

2004-06-21
2005-12-29
Pioneer Corporation
Electron beam drawing device

Family Cites Families (14)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

US3790755A
(en)

*

1961-12-08
1974-02-05
D Silverman
High density information system using multiple strips

US3287563A
(en)

*

1962-11-07
1966-11-22
Minnesota Mining & Mfg
Spatial coherent reproducing system

DE2031515C3
(en)

*

1970-06-25
1982-04-15
Siemens AG, 1000 Berlin und 8000 München

Procedure for reading out information

DE2038453B2
(en)

*

1970-08-01
1972-09-07
Teldec Telefunken Decca Schallplat ten GmbH, 2000 Hamburg

PROCESS FOR RECORDING HIGH FREQUENCY SIGNALS, IN PARTICULAR VIDEO SIGNALS ON SIGNAL CARRIERS

US4041530A
(en)

*

1971-03-04
1977-08-09
U.S. Philips Corporation
Video disc with phase structure

US4041532A
(en)

*

1971-04-28
1977-08-09
Decca Limited Of Decca House
Method of recording wide-band signals on a thermoplastic film by use of a beam of electrons

US3919465A
(en)

*

1974-01-14
1975-11-11
Zenith Radio Corp
Optical system for directly detecting spatially recorded signals

US3931459A
(en)

*

1974-02-04
1976-01-06
Zenith Radio Corporation
Video disc

US4084185A
(en)

*

1974-02-12
1978-04-11
U.S. Philips Corporation
Record carrier on which information is stored in an optically readable structure

US4094013A
(en)

*

1975-05-22
1978-06-06
U.S. Philips Corporation
Optical storage disk system with disk track guide sectors

JPS5266405A
(en)

*

1975-11-29
1977-06-01
Victor Co Of Japan Ltd
Optical recording system of information recording discs

US4161752A
(en)

*

1977-06-28
1979-07-17
International Business Machines Corporation
High density video disk having two pit depths

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

FR2481501B1
(en)

*

1980-04-25
1985-09-13
Philips Nv

RECORDING CARRIER COMPRISING AN OPTICALLY READABLE INFORMATION STRUCTURE AND DEVICE FOR READING SUCH A RECORDING CARRIER

1978

1978-10-19
NL
NL7810463A
patent/NL7810463A/en
not_active
Application Discontinuation

1979

1979-01-26
US
US06/006,613
patent/US4930116A/en
not_active
Expired – Lifetime

1979-09-28
FR
FR7924157A
patent/FR2439522B1/en
not_active
Expired

1979-10-08
ZA
ZA00795363A
patent/ZA795363B/en
unknown

1979-10-11
CA
CA000337415A
patent/CA1152643A/en
not_active
Expired

1979-10-16
GB
GB7935940A
patent/GB2034097B/en
not_active
Expired

1979-10-16
IT
IT69011/79A
patent/IT1119224B/en
active

1979-10-16
CH
CH9318/79A
patent/CH651413A5/en
not_active
IP Right Cessation

1979-10-16
DK
DK436979A
patent/DK149276C/en
active

1979-10-16
SE
SE7908542D
patent/SE7908542L/en
not_active
Application Discontinuation

1979-10-16
NZ
NZ191856A
patent/NZ191856A/en
unknown

1979-10-16
BR
BR7906659A
patent/BR7906659A/en
unknown

1979-10-16
SE
SE7908542A
patent/SE443890B/en
not_active
IP Right Cessation

1979-10-16
AU
AU51828/79A
patent/AU531730B2/en
not_active
Ceased

1979-10-17
BE
BE0/197686A
patent/BE879463A/en
not_active
IP Right Cessation

1979-10-17
DE
DE19792941943
patent/DE2941943A1/en
active
Granted

1979-10-17
ES
ES485094A
patent/ES485094A1/en
not_active
Expired

1979-10-19
JP
JP13428079A
patent/JPS5555449A/en
active
Granted

1979-10-19
AT
AT0683079A
patent/AT367228B/en
not_active
IP Right Cessation

1982

1982-11-05
SG
SG567/82A
patent/SG56782G/en
unknown

Also Published As

Publication number
Publication date

BR7906659A
(en)

1980-07-15

AT367228B
(en)

1982-06-11

DK149276C
(en)

1986-09-22

DE2941943C2
(en)

1991-10-17

AU531730B2
(en)

1983-09-01

ATA683079A
(en)

1981-10-15

DE2941943A1
(en)

1980-04-30

IT7969011D0
(en)

1979-10-16

FR2439522A1
(en)

1980-05-16

CH651413A5
(en)

1985-09-13

JPS5555449A
(en)

1980-04-23

GB2034097B
(en)

1982-09-15

ES485094A1
(en)

1980-05-16

FR2439522B1
(en)

1987-06-05

BE879463A
(en)

1980-04-17

GB2034097A
(en)

1980-05-29

DK149276B
(en)

1986-04-14

ZA795363B
(en)

1981-05-27

SE443890B
(en)

1986-03-10

NZ191856A
(en)

1982-11-23

US4930116A
(en)

1990-05-29

JPH0127493B2
(en)

1989-05-29

DK436979A
(en)

1980-04-20

CA1152643A
(en)

1983-08-23

SE7908542L
(en)

1980-04-20

IT1119224B
(en)

1986-03-03

NL7810463A
(en)

1980-04-22

SG56782G
(en)

1983-09-02

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