IL79331A0 - Method of reproduction of optical data storage media - Google Patents

Method of reproduction of optical data storage media

Info

Publication number: IL79331A0
Authority: IL; Israel
Prior art keywords: reproduction; data storage; storage media; optical data; optical
Prior art date: 1985-07-04

Application number

IL79331A

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

1986-10-31

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

1986-10-31 Publication of IL79331A0 publication Critical patent/IL79331A0/en

Links

238000013500 data storage Methods 0.000 title 1
238000000034 method Methods 0.000 title 1
230000003287 optical effect Effects 0.000 title 1

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)

IL79331A 1985-07-04 1986-07-04 Method of reproduction of optical data storage media IL79331A0 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB858516986A GB8516986D0 (en)	1985-07-04	1985-07-04	Reproduction of optically readable data

Publications (1)

Publication Number	Publication Date
IL79331A0 true IL79331A0 (en)	1986-10-31

Family

ID=10581808

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IL79331A IL79331A0 (en)	1985-07-04	1986-07-04	Method of reproduction of optical data storage media

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 ZA ZA864979A patent/ZA864979B/en unknown
- 1986-07-04 WO PCT/GB1986/000388 patent/WO1987000334A1/en not_active Ceased
- 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 EP EP86904273A patent/EP0229140A1/en not_active Withdrawn
- 1986-07-04 IL IL79331A patent/IL79331A0/en unknown
- 1986-07-04 JP JP61503822A patent/JPS63500747A/en active Pending
1987
- 1987-03-03 DK DK109387A patent/DK109387A/en not_active Application Discontinuation

Also Published As

Publication number	Publication date
ZA864979B (en)	1987-09-30
GB8516986D0 (en)	1985-08-07
DK109387D0 (en)	1987-03-03
AU6132686A (en)	1987-01-30
FI870917A0 (en)	1987-03-03
EP0229140A1 (en)	1987-07-22
FI870917L (en)	1987-03-03
FI870917A7 (en)	1987-03-03
DK109387A (en)	1987-03-23
JPS63500747A (en)	1988-03-17
WO1987000334A1 (en)	1987-01-15

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