DE2967477D1 - Optical storage system - Google Patents

Optical storage system

Info

Publication number
DE2967477D1
DE2967477D1 DE7979300387T DE2967477T DE2967477D1 DE 2967477 D1 DE2967477 D1 DE 2967477D1 DE 7979300387 T DE7979300387 T DE 7979300387T DE 2967477 T DE2967477 T DE 2967477T DE 2967477 D1 DE2967477 D1 DE 2967477D1
Authority
DE
Germany
Prior art keywords
storage system
optical storage
optical
storage
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.)
Expired
Application number
DE7979300387T
Other languages
English (en)
Inventor
Ronald H Geils
Richard C Keezer
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE2967477D1 publication Critical patent/DE2967477D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C13/00—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00
    • G11C13/04—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam
    • G11C13/042—Digital stores characterised by the use of storage elements not covered by groups G11C11/00, G11C23/00, or G11C25/00 using optical elements ; using other beam accessed elements, e.g. electron or ion beam using information stored in the form of interference pattern
DE7979300387T 1978-03-20 1979-03-13 Optical storage system Expired DE2967477D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/890,723 US4183094A (en) 1978-03-20 1978-03-20 Optical storage medium using the frequency domain

Publications (1)

Publication Number Publication Date
DE2967477D1 true DE2967477D1 (en) 1985-08-08

Family

ID=25397061

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979300387T Expired DE2967477D1 (en) 1978-03-20 1979-03-13 Optical storage system

Country Status (5)

Country Link
US (1) US4183094A (de)
EP (1) EP0004432B1 (de)
JP (1) JPS54128302A (de)
CA (1) CA1116898A (de)
DE (1) DE2967477D1 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4333165A (en) * 1975-01-27 1982-06-01 Formigraphic Engine Corporation Three-dimensional pattern making methods
JPS5532238A (en) * 1978-08-25 1980-03-06 Matsushita Electric Ind Co Ltd Optical recorder and reproducing method
JPS5545166A (en) * 1978-09-25 1980-03-29 Matsushita Electric Ind Co Ltd Recording and reproducing method for optical information
US4460636A (en) * 1981-03-27 1984-07-17 Sony Corporation Optical information record member
WO1983001703A1 (en) * 1981-11-09 1983-05-11 Burroughs Corp Method of archival data recording and related media
JPS58501883A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション 改良された情報層および関連したサブストレ−トを備えた記録保管記録媒体
JPS58501887A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション ディジタルデータレコード材料
JPS58501885A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション ディジタルデ−タストレ−ジのための記録保管記録媒体のための形成技術
JPS58501886A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション 低出力放射および関連した媒体を用いる記録保管デ−タ記録システム
JPS58501884A (ja) * 1981-11-09 1983-11-04 バロ−ス・コ−ポレ−ション 低出力放射を用いるディジタルデ−タストレ−ジのための記録保管記録媒体
EP0096503A3 (de) * 1982-05-25 1987-04-22 Unisys Corporation Wärmeempfindlicher Filmschliesser
US4532608A (en) * 1982-06-25 1985-07-30 Wu Jiun Tsong Memory device
US4583833A (en) * 1984-06-07 1986-04-22 Xerox Corporation Optical recording using field-effect control of heating
US4615967A (en) * 1985-02-11 1986-10-07 The Standard Oil Company Optical information storage material
US5056079A (en) * 1988-08-04 1991-10-08 Literal Corporation Multi-state optical contrasts in optical recording media for data compression
JP2801739B2 (ja) * 1990-05-15 1998-09-21 パイオニア株式会社 多層記録膜の記録再生方法
EP0458604B1 (de) * 1990-05-22 1997-08-27 Canon Kabushiki Kaisha Verfahren und Gerät zur Aufzeichnung und Wiedergabe von Informationen in Zellen, die eine vielfache Interferenz gebrauchen
US6212148B1 (en) 1998-01-30 2001-04-03 Siros Technologies, Inc. Optical data storage by selective localized alteration of a format hologram
US6020985A (en) * 1998-01-30 2000-02-01 Siros Technologies, Inc. Multilayer reflection microhologram storage in tape media
US6147782A (en) * 1998-05-01 2000-11-14 Siros Technologies, Inc. Positive unit magnification reflective optics for holographic storage
US6322933B1 (en) 1999-01-12 2001-11-27 Siros Technologies, Inc. Volumetric track definition for data storage media used to record data by selective alteration of a format hologram
US6322931B1 (en) 1999-07-29 2001-11-27 Siros Technologies, Inc. Method and apparatus for optical data storage using non-linear heating by excited state absorption for the alteration of pre-formatted holographic gratings
US6310850B1 (en) 1999-07-29 2001-10-30 Siros Technologies, Inc. Method and apparatus for optical data storage and/or retrieval by selective alteration of a holographic storage medium
US6512606B1 (en) 1999-07-29 2003-01-28 Siros Technologies, Inc. Optical storage media and method for optical data storage via local changes in reflectivity of a format grating

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665425A (en) * 1970-03-09 1972-05-23 Energy Conversion Devices Inc Information storage systems utilizing amorphous thin films
US3651488A (en) * 1970-06-08 1972-03-21 Rca Corp Information storage system employing optical entry and removal of information
DE2034904A1 (de) * 1970-07-14 1972-01-27 Siemens Ag Optischer Speicher fur kohärent op tische Systeme
US3737877A (en) * 1970-09-24 1973-06-05 Energy Conversion Devices Inc Data storage system with coarse and fine directing means
DE2047235A1 (de) * 1970-09-25 1972-03-30 Agfa Gevaert Ag Vorrichtung zum Auslesen von gespeicherten Informationen
US3971874A (en) * 1973-08-29 1976-07-27 Matsushita Electric Industrial Co., Ltd. Optical information storage material and method of making it
GB1500277A (en) * 1974-06-14 1978-02-08 Lucas Electrical Ltd Detent component
US3959799A (en) * 1974-09-09 1976-05-25 International Business Machines Corporation Information storage by laser beam initiated reactions
US4069487A (en) * 1974-12-26 1978-01-17 Canon Kabushiki Kaisha Recording member and process for recording
US4097895A (en) * 1976-03-19 1978-06-27 Rca Corporation Multilayer optical record
JPS52138145A (en) * 1976-05-14 1977-11-18 Hitachi Ltd Optical recording device
FR2355337A1 (fr) * 1976-06-18 1978-01-13 Thomson Brandt Procede de fabrication d'un support d'information inscriptible et lisible optiquement, et support ainsi obtenu

Also Published As

Publication number Publication date
EP0004432B1 (de) 1985-07-03
JPS54128302A (en) 1979-10-04
US4183094A (en) 1980-01-08
EP0004432A1 (de) 1979-10-03
CA1116898A (en) 1982-01-26
JPS6326463B2 (de) 1988-05-30

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee