FI870917A7 - Copying an optical data storage medium. - Google Patents

Copying an optical data storage medium. Download PDF

Info

Publication number: FI870917A7
Authority: FI; Finland
Prior art keywords: copying; storage medium; data storage; optical data; optical
Prior art date: 1985-07-04

Application number

FI870917A

Other languages

Finnish (fi)

Swedish (sv)

Other versions

FI870917A0 (en

FI870917L (en

Inventor

Andrew Edward Haughton

Original Assignee

Holodisc 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.)

1985-07-04

Filing date

1986-07-04

Publication date

1987-03-03

1986-07-04 Application filed by Holodisc Ltd filed Critical Holodisc Ltd

1987-03-03 Publication of FI870917A0 publication Critical patent/FI870917A0/en

1987-03-03 Publication of FI870917L publication Critical patent/FI870917L/en

1987-03-03 Publication of FI870917A7 publication Critical patent/FI870917A7/en

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/20—Copying holograms by holographic, i.e. optical means
- G03H1/202—Contact copy when the reconstruction beam for the master H1 also serves as reference beam for the copy H2
- 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
- G11B7/0065—Recording, reproducing or erasing by using optical interference patterns, e.g. holograms
- 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
- G11B7/28—Re-recording, i.e. transcribing information from one optical record carrier on to one or more similar or dissimilar record carriers
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0476—Holographic printer
- G03H2001/0482—Interference based printer
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H1/00—Holographic processes or apparatus using light, infrared or ultraviolet waves for obtaining holograms or for obtaining an image from them; Details peculiar thereto
- G03H1/04—Processes or apparatus for producing holograms
- G03H1/0493—Special holograms not otherwise provided for, e.g. conoscopic, referenceless holography
- G03H2001/0497—Dot matrix holograms
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03H—HOLOGRAPHIC PROCESSES OR APPARATUS
- G03H2270/00—Substrate bearing the hologram
- G03H2270/20—Shape
- G03H2270/22—Disc shaped

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optical Recording Or Reproduction (AREA)
Holo Graphy (AREA)
Manufacturing Optical Record Carriers (AREA)

FI870917A 1985-07-04 1986-07-04 Copying an optical data storage medium. FI870917A7 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
GB858516986A GB8516986D0 (en)	1985-07-04	1985-07-04	Reproduction of optically readable data
PCT/GB1986/000388 WO1987000334A1 (en)	1985-07-04	1986-07-04	Reproduction of optical data storage media

Publications (3)

Publication Number	Publication Date
FI870917A0 FI870917A0 (en)	1987-03-03
FI870917L FI870917L (en)	1987-03-03
FI870917A7 true FI870917A7 (en)	1987-03-03

Family

ID=10581808

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI870917A FI870917A7 (en)	1985-07-04	1986-07-04	Copying an optical data storage medium.

Country Status (9)

Country	Link
EP (1)	EP0229140A1 (en)
JP (1)	JPS63500747A (en)
AU (1)	AU6132686A (en)
DK (1)	DK109387A (en)
FI (1)	FI870917A7 (en)
GB (1)	GB8516986D0 (en)
IL (1)	IL79331A0 (en)
WO (1)	WO1987000334A1 (en)
ZA (1)	ZA864979B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8629223D0 (en) *	1986-12-06	1987-01-14	Emi Plc Thorn	Replication of carriers
US5563867A (en) *	1994-06-30	1996-10-08	Discovision Associates	Optical tape duplicator
EP1072037A1 (en) *	1998-04-20	2001-01-31	Atop Innovation SPA	Optical support for the non-volatile memorisation of data and processes for its manufacturing
DE10136669A1 (en) *	2001-05-22	2002-11-28	Hsm Gmbh	Manufacture of optical storage medium master for contact copying, by forming volume hologram in volume layer by interference of incident laser light

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1965261C3 (en) *	1969-12-29	1974-10-24	Krone Gmbh, 1000 Berlin	Method and device for time-dependent optical sound recording and reproduction
US3911230A (en) *	1970-05-23	1975-10-07	Seiscom Delta Inc	Holographic reproduction of sound
FR2126492A5 (en) *	1971-02-08	1972-10-06	Thomson Csf
FR2368780A1 (en) *	1976-10-22	1978-05-19	Thomson Brandt	Duplication process for video recording track - has coherent light projected through master track on to photosensitive track

1985
- 1985-07-04 GB GB858516986A patent/GB8516986D0/en active Pending
1986
- 1986-07-04 FI FI870917A patent/FI870917A7/en not_active IP Right Cessation
- 1986-07-04 AU AU61326/86A patent/AU6132686A/en not_active Abandoned
- 1986-07-04 IL IL79331A patent/IL79331A0/en unknown
- 1986-07-04 JP JP61503822A patent/JPS63500747A/en active Pending
- 1986-07-04 ZA ZA864979A patent/ZA864979B/en unknown
- 1986-07-04 EP EP86904273A patent/EP0229140A1/en not_active Withdrawn
- 1986-07-04 WO PCT/GB1986/000388 patent/WO1987000334A1/en not_active Ceased
1987
- 1987-03-03 DK DK109387A patent/DK109387A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
DK109387A (en)	1987-03-23
FI870917A0 (en)	1987-03-03
GB8516986D0 (en)	1985-08-07
JPS63500747A (en)	1988-03-17
FI870917L (en)	1987-03-03
WO1987000334A1 (en)	1987-01-15
IL79331A0 (en)	1986-10-31
DK109387D0 (en)	1987-03-03
AU6132686A (en)	1987-01-30
ZA864979B (en)	1987-09-30
EP0229140A1 (en)	1987-07-22

Publication	Publication Date	Title
DE3686044D1 (en)	1992-08-20	OPTICAL STORAGE MEDIUM.
FI893563A7 (en)	1990-01-31	Optical data storage medium
DE3580536D1 (en)	1990-12-20	OPTICAL RECORDING MEDIUM.
DE3575628D1 (en)	1990-03-01	OPTICAL STORAGE MEDIUM.
DE3671122D1 (en)	1990-06-13	INFORMATION RECORDING MEDIUM.
FI893561L (en)	1990-01-31	OPTICAL DATA RECORDING.
DE3689886D1 (en)	1994-07-07	Reversible optical information recording medium.
DE3583599D1 (en)	1991-08-29	INFORMATION RECORDING MEDIUM.
DE3884013D1 (en)	1993-10-21	Optical data recording medium.
NO865170D0 (en)	1986-12-19	DATA STORAGE SYSTEM.
NL192639B (en)	1997-07-01	Optical recording medium.
DE3485596D1 (en)	1992-04-23	PCM DATA RECORDING SYSTEM.
DE3771406D1 (en)	1991-08-22	OPTICAL RECORDING MEDIUM.
DE3853640D1 (en)	1995-06-01	Information recording medium.
DE3680057D1 (en)	1991-08-08	DOUBLE-SIDED OPTICAL RECORDING MEDIUM.
DE3682475D1 (en)	1991-12-19	INFORMATION MEDIUM.
DE3883174D1 (en)	1993-09-16	OPTICAL INFORMATION RECORDING MEDIUM.
DE3577491D1 (en)	1990-06-07	OPTICAL INFORMATION RECORDING MEDIUM.
DE3582778D1 (en)	1991-06-13	OPTICAL RECORDING MEDIUM.
DE3784389D1 (en)	1993-04-08	OPTICAL RECORDING MEDIUM.
DE3785572D1 (en)	1993-05-27	OPTICAL RECORDING MEDIUM.
DE3685219D1 (en)	1992-06-11	MAGNETIC STORAGE MEDIUM.
DE3856472D1 (en)	2001-06-28	Data recording medium
DE68921325D1 (en)	1995-03-30	Medium for data storage.
DE3683166D1 (en)	1992-02-13	OPTICAL RECORDING MEDIUM.

Legal Events

Date	Code	Title	Description
2004-08-31	MM	Patent lapsed	Owner name: HOLODISC LIMITED