ATE32798T1 - Optische datenspeicherung. - Google Patents

Optische datenspeicherung.

Info

Publication number
ATE32798T1
ATE32798T1 AT84302419T AT84302419T ATE32798T1 AT E32798 T1 ATE32798 T1 AT E32798T1 AT 84302419 T AT84302419 T AT 84302419T AT 84302419 T AT84302419 T AT 84302419T AT E32798 T1 ATE32798 T1 AT E32798T1
Authority
AT
Austria
Prior art keywords
tracks
data storage
optical data
type
radiation
Prior art date
Application number
AT84302419T
Other languages
English (en)
Inventor
Robert Martin Pettigrew
Keith Gardner
Robert J Longman
Original Assignee
Plasmon Data Systems Nv
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 Plasmon Data Systems Nv filed Critical Plasmon Data Systems Nv
Application granted granted Critical
Publication of ATE32798T1 publication Critical patent/ATE32798T1/de

Links

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
    • G11B7/2407—Tracks or pits; Shape, structure or physical properties thereof
    • G11B7/24085—Pits
    • 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
    • G11B7/007—Arrangement of the information on the record carrier, e.g. form of tracks, actual track shape, e.g. wobbled, or cross-section, e.g. v-shaped; Sequential information structures, e.g. sectoring or header formats within a track
    • 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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Holo Graphy (AREA)
  • Credit Cards Or The Like (AREA)
AT84302419T 1983-04-07 1984-04-09 Optische datenspeicherung. ATE32798T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB838309447A GB8309447D0 (en) 1983-04-07 1983-04-07 Optical data storage
EP84302419A EP0122144B1 (de) 1983-04-07 1984-04-09 Optische Datenspeicherung

Publications (1)

Publication Number Publication Date
ATE32798T1 true ATE32798T1 (de) 1988-03-15

Family

ID=10540762

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84302419T ATE32798T1 (de) 1983-04-07 1984-04-09 Optische datenspeicherung.

Country Status (7)

Country Link
US (1) US4703469A (de)
EP (1) EP0122144B1 (de)
JP (1) JPS61500239A (de)
AT (1) ATE32798T1 (de)
DE (1) DE3469622D1 (de)
GB (1) GB8309447D0 (de)
WO (1) WO1984003986A1 (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4855981A (en) * 1985-04-18 1989-08-08 Computer Services Corporation Method and device for reading out optically recorded data and compensating for a drastic change in the position of a line to be read
US4937810A (en) * 1986-04-23 1990-06-26 Drexler Technology Corporation Optical recording tape with continuous prerecorded tracks
US4957580A (en) * 1986-04-23 1990-09-18 Drexler Technology Corp. Method for making an optical data card
JPS6361425A (ja) * 1986-08-22 1988-03-17 Csk Corp 光記録媒体のトラツク検出方式
JP2706076B2 (ja) * 1988-01-29 1998-01-28 シャープ株式会社 光ディスク記録再生システム
US5309416A (en) * 1988-04-26 1994-05-03 Canon Kabushiki Kaisha Method and apparatus for initializing intermediate region between tracks on magnetooptical recording medium
JP2760812B2 (ja) * 1988-09-28 1998-06-04 株式会社日立製作所 光再生装置及び光再生方法
US5175720A (en) * 1989-05-25 1992-12-29 Tandy Corporation Interactive optical disk
WO1990014663A1 (en) * 1989-05-25 1990-11-29 Tandy Corporation Interactive optical disk, method of fabrication and apparatus for recording thereon
US5161134A (en) * 1989-06-29 1992-11-03 Digital Equipment Corporation Method for increasing linear bit density in magneto-optical storage media
US5191563A (en) * 1989-06-29 1993-03-02 Digital Equipment Corporation Method for increasing track density of magneto-optical storage media
JPH0464927A (ja) * 1990-07-03 1992-02-28 Pioneer Electron Corp フォトクロミック光ディスク書込読取装置
KR100242859B1 (ko) * 1991-06-20 2000-02-01 가나이 쓰도무 광특성 변형방법, 광학장치, 정보기록매체 그리고 정보기록 방법 및 장치
JPH0589477A (ja) * 1991-09-27 1993-04-09 Pioneer Electron Corp 光デイスク
EP1251501B1 (de) * 1995-10-09 2004-09-08 Matsushita Electric Industrial Co., Ltd. Optische Platte mit optischem Strichcode und Wiedergabegerät
KR100268486B1 (ko) * 1997-11-01 2000-10-16 윤종용 광디스크기록및재생방법과그장치
US7002890B2 (en) * 2000-03-29 2006-02-21 Lsi Logic Corporation High density analog recording using write symbols having distinguishable readout waveforms
BRPI0516268A (pt) * 2004-10-08 2008-08-26 Koninkl Philips Electronics Nv portadora de gravação óptica, método para fabricação da mesma, e, aparelho óptico adaptado para reproduzir e/ou gravar informação de/para uma portadora de gravação óptica
WO2006056947A1 (en) * 2004-11-29 2006-06-01 Koninklijke Philips Electronics N.V. Two-dimensional encoded optical recording medium comprising elliptical data bits
US11740399B2 (en) * 2018-02-06 2023-08-29 Raytheon Company Low cost dispersive optical elements
US11443129B2 (en) * 2019-10-29 2022-09-13 Microsoft Technology Licensing, Llc Glass media unique identification and tracking system

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2764629A (en) * 1952-12-17 1956-09-25 Columbia Broadcasting Syst Inc Television
US3167747A (en) * 1959-08-21 1965-01-26 Gen Electric Trermoplastic film random access analog recording
US3379095A (en) * 1963-12-17 1968-04-23 Edward K. Kaprelian Method of and means for recording and reproducing sound
US3348217A (en) * 1964-05-01 1967-10-17 Alvin A Snaper Electro-optical computer or data processing system using superimposed polarizers
GB1171716A (en) * 1966-07-18 1969-11-26 Bell & Howell Co Optical recording of superimposed sound tracks.
US3407272A (en) * 1966-09-07 1968-10-22 Instr Corp Of America Photographic sound system for eliminating film blemish noise
US3753249A (en) * 1967-01-30 1973-08-14 D Silverman Information systems using arrays of multiple spot patterns
US4175270A (en) * 1970-03-27 1979-11-20 Zenzefilis George E Method and apparatus for recording and reproducing video
US3688025A (en) * 1970-10-27 1972-08-29 Rca Corp Recorder and playback apparatus for pulse width modulated record
US4011435A (en) * 1974-02-01 1977-03-08 Ncr Corporation Optical indicia marking and detection system
NL7401858A (nl) * 1974-02-12 1975-08-14 Philips Nv Registratiedrager waarop informatie is aange- t in een optisch uitleesbare struktuur.
US4084185A (en) * 1974-02-12 1978-04-11 U.S. Philips Corporation Record carrier on which information is stored in an optically readable structure
US4245229A (en) * 1979-01-26 1981-01-13 Exxon Research & Engineering Co. Optical recording medium
NL7906576A (nl) * 1979-09-03 1981-03-05 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede uitleesinrichting daarvoor.
NL7906728A (nl) * 1979-09-10 1981-03-12 Philips Nv Optische registratieschijf.
NL7907180A (nl) * 1979-09-27 1981-03-31 Philips Nv Registratiedrager waarin informatie is aangebracht in een optisch uitleesbare informatiestruktuur, alsmede inrichting voor het uitlezen daarvan.
FR2490858B1 (fr) * 1980-09-25 1986-04-04 Rca Corp Milieu d'enregistrement optique a sensibilite variable et disque contenant de l'information, realise a l'aide d'un tel milieu
DE3229573A1 (de) * 1981-08-17 1983-02-24 RCA Corp., 10020 New York, N.Y. Optisches aufzeichnungsmaterial, informationstraeger und verfahren zum herstellen eines optischen aufzeichnungsmaterials
US4616237A (en) * 1982-09-27 1986-10-07 Pa Management Consultants, Ltd. Data storage medium

Also Published As

Publication number Publication date
GB8309447D0 (en) 1983-05-11
EP0122144A1 (de) 1984-10-17
WO1984003986A1 (en) 1984-10-11
DE3469622D1 (en) 1988-04-07
EP0122144B1 (de) 1988-03-02
US4703469A (en) 1987-10-27
JPS61500239A (ja) 1986-02-06

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties