GB2262832B - Optical recording disc - Google Patents

Optical recording disc

Info

Publication number: GB2262832B
Authority: GB; United Kingdom
Prior art keywords: optical recording; recording disc; disc; optical; recording
Prior art date: 1991-12-23
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 - Fee Related

Application number

GB9127266A

Other versions

GB9127266D0 (en

GB2262832A (en

Inventor

Jean-Michel Depauw

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.)

AGC Glass Europe SA

Original Assignee

Glaverbel Belgium 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.)

1991-12-23

Filing date

1991-12-23

Publication date

1995-10-04

1991-12-23 Application filed by Glaverbel Belgium SA filed Critical Glaverbel Belgium SA

1991-12-23 Priority to GB9127266A priority Critical patent/GB2262832B/en

1992-02-19 Publication of GB9127266D0 publication Critical patent/GB9127266D0/en

1993-06-30 Publication of GB2262832A publication Critical patent/GB2262832A/en

1995-10-04 Application granted granted Critical

1995-10-04 Publication of GB2262832B publication Critical patent/GB2262832B/en

2011-12-23 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- 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
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/258—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of reflective layers
- 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
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
- G11B7/2531—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates comprising glass

GB9127266A 1991-12-23 1991-12-23 Optical recording disc Expired - Fee Related GB2262832B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9127266A GB2262832B (en)	1991-12-23	1991-12-23	Optical recording disc

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9127266A GB2262832B (en)	1991-12-23	1991-12-23	Optical recording disc

Publications (3)

Publication Number	Publication Date
GB9127266D0 GB9127266D0 (en)	1992-02-19
GB2262832A GB2262832A (en)	1993-06-30
GB2262832B true GB2262832B (en)	1995-10-04

Family

ID=10706734

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9127266A Expired - Fee Related GB2262832B (en)	1991-12-23	1991-12-23	Optical recording disc

Country Status (1)

Country	Link
GB (1)	GB2262832B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH09259470A (en) *	1996-03-21	1997-10-03	Toshiba Corp	Laminated information recording medium
MY136646A (en) *	2004-05-11	2008-11-28	Toshiba Elevator Kk	Magnet unit, elevator guiding apparatus and weighing apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0086009A1 (en) *	1982-02-04	1983-08-17	Koninklijke Philips Electronics N.V.	Optically readable information disc
JPH0242655A (en) *	1988-08-02	1990-02-13	Nec Corp	Optical memory body

1991
- 1991-12-23 GB GB9127266A patent/GB2262832B/en not_active Expired - Fee Related

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
EP0086009A1 (en) *	1982-02-04	1983-08-17	Koninklijke Philips Electronics N.V.	Optically readable information disc
JPH0242655A (en) *	1988-08-02	1990-02-13	Nec Corp	Optical memory body

Also Published As

Publication number	Publication date
GB9127266D0 (en)	1992-02-19
GB2262832A (en)	1993-06-30

Publication	Publication Date	Title
EP0537904A3 (en)	1993-06-23	Optical disk drive
EP0406569A3 (en)	1993-01-13	Optical recording medium
EP0612067A3 (en)	1995-01-18	Optical disc recording apparatus.
EP0453995A3 (en)	1992-03-04	Optical disc recording apparatus
EP0414516A3 (en)	1991-09-25	Optical recording medium
EP0559104A3 (en)	1994-06-29	Optical disc recording apparatus
HK1014363A1 (en)	1999-09-24	Optical recording medium
HK1005326A1 (en)	1998-12-31	Optical recording medium
HK1007621A1 (en)	1999-04-16	Optical recording medium
EP0544276A3 (en)	1993-12-08	Writable optical disk recording apparatus
EP0492514A3 (en)	1992-09-30	Optical disc recording apparatus
EP0352105A3 (en)	1990-11-28	Optical disc medium
HK1049910A1 (en)	2003-05-30	Optical disc
EP0525192A4 (en)	1993-05-26	Optically recording medium
EP0378344A3 (en)	1990-09-19	Optical recording medium
EP0452586A3 (en)	1992-01-22	Optical recording medium
HK1005155A1 (en)	1998-12-24	Optical recording medium
SG52477A1 (en)	1998-09-28	Optical recording medium
EP0458257A3 (en)	1992-02-26	Optical recording medium
EP0376231A3 (en)	1990-11-28	Optical recording media
EP0422947A3 (en)	1992-02-12	Optical recording/reproducing device
EP0518213A3 (en)	1993-05-05	Optical recording medium
EP0526647A4 (en)	1993-08-04	Optical recording medium
SG52484A1 (en)	1998-09-28	Optical recording medium
GB9017266D0 (en)	1990-09-19	Optical recording elements

Legal Events

Date	Code	Title	Description
1998-08-12	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 19971223