GB9022585D0 - Compact discs - Google Patents

Compact discs

Info

Publication number
GB9022585D0
GB9022585D0 GB909022585A GB9022585A GB9022585D0 GB 9022585 D0 GB9022585 D0 GB 9022585D0 GB 909022585 A GB909022585 A GB 909022585A GB 9022585 A GB9022585 A GB 9022585A GB 9022585 D0 GB9022585 D0 GB 9022585D0
Authority
GB
United Kingdom
Prior art keywords
compact discs
discs
compact
Prior art date
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.)
Pending
Application number
GB909022585A
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.)
BAE Systems Electronics Ltd
Original Assignee
GEC Marconi Ltd
Marconi Co Ltd
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.)
Filing date
Publication date
Application filed by GEC Marconi Ltd, Marconi Co Ltd filed Critical GEC Marconi Ltd
Priority to GB909022585A priority Critical patent/GB9022585D0/en
Publication of GB9022585D0 publication Critical patent/GB9022585D0/en
Priority to GB9121947A priority patent/GB2248963A/en
Priority to NL9101733A priority patent/NL9101733A/en
Pending legal-status Critical Current

Links

GB909022585A 1990-10-17 1990-10-17 Compact discs Pending GB9022585D0 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB909022585A GB9022585D0 (en) 1990-10-17 1990-10-17 Compact discs
GB9121947A GB2248963A (en) 1990-10-17 1991-10-16 Compact discs
NL9101733A NL9101733A (en) 1990-10-17 1991-10-17 Compact discs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB909022585A GB9022585D0 (en) 1990-10-17 1990-10-17 Compact discs

Publications (1)

Publication Number Publication Date
GB9022585D0 true GB9022585D0 (en) 1990-11-28

Family

ID=10683887

Family Applications (2)

Application Number Title Priority Date Filing Date
GB909022585A Pending GB9022585D0 (en) 1990-10-17 1990-10-17 Compact discs
GB9121947A Withdrawn GB2248963A (en) 1990-10-17 1991-10-16 Compact discs

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9121947A Withdrawn GB2248963A (en) 1990-10-17 1991-10-16 Compact discs

Country Status (1)

Country Link
GB (2) GB9022585D0 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0651381A1 (en) * 1993-10-28 1995-05-03 Akzo Nobel N.V. Optical storage medium and method of storing information
EP0651382A1 (en) * 1993-11-02 1995-05-03 Akzo Nobel N.V. Optical storage medium
WO1995020813A1 (en) * 1994-01-27 1995-08-03 The University Court Of The University Of Dundee Process of producing a data-storage unit
DE4431823A1 (en) * 1994-09-07 1996-03-14 Bayer Ag Process for enhancing information in photoaddressable side chain polymers
JP4074719B2 (en) * 1999-01-08 2008-04-09 大日本印刷株式会社 Information recording medium

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1018101B (en) * 1985-08-07 1992-09-02 株式会社半导体能源研究所 Nonvolatille optical disc memory with liquid crystal
US4832456A (en) * 1986-03-04 1989-05-23 Semiconductor Energy Laboratory Co., Ltd. Liquid crystal disc memory with circular grooves for auto-focusing of write-in beam
US4853911A (en) * 1986-06-13 1989-08-01 Semiconductor Energy Laboratory Co., Ltd. Optical disc memory system utilizing a smectic chiral liquid crystal
GB8615527D0 (en) * 1986-06-25 1986-07-30 Secr Defence Liquid crystal polymers
JPH02123532A (en) * 1988-11-01 1990-05-11 Canon Inc Optical disk
JPH0660695B2 (en) * 1990-04-17 1994-08-10 エスエムシー株式会社 valve

Also Published As

Publication number Publication date
GB2248963A (en) 1992-04-22
GB9121947D0 (en) 1991-11-27

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