DE69027103D1 - Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen darauf - Google Patents
Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen daraufInfo
- Publication number
- DE69027103D1 DE69027103D1 DE69027103T DE69027103T DE69027103D1 DE 69027103 D1 DE69027103 D1 DE 69027103D1 DE 69027103 T DE69027103 T DE 69027103T DE 69027103 T DE69027103 T DE 69027103T DE 69027103 D1 DE69027103 D1 DE 69027103D1
- Authority
- DE
- Germany
- Prior art keywords
- reproducing information
- recording medium
- recording
- optical recording
- optical
- 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 - Fee Related
Links
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
- G11B23/281—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs by changing the physical properties of the record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10582—Record carriers characterised by the selection of the material or by the structure or form
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B13/00—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for
- G11B13/04—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties
- G11B13/045—Recording simultaneously or selectively by methods covered by different main groups among G11B3/00, G11B5/00, G11B7/00 and G11B9/00; Record carriers therefor not otherwise provided for; Reproducing therefrom not otherwise provided for magnetically or by magnetisation and optically or by radiation, for changing or sensing optical properties combined recording by magnetic and optic means
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/28—Indicating or preventing prior or unauthorised use, e.g. cassettes with sealing or locking means, write-protect devices for discs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
-
- 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
- G11B7/002—Recording, reproducing or erasing systems characterised by the shape or form of the carrier
- G11B7/003—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent
- G11B7/0031—Recording, reproducing or erasing systems characterised by the shape or form of the carrier with webs, filaments or wires, e.g. belts, spooled tapes or films of quasi-infinite extent using a rotating head, e.g. helicoidal recording
-
- 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
-
- 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
- G11B7/26—Apparatus or processes specially adapted for the manufacture of record carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B11/00—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor
- G11B11/10—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field
- G11B11/105—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing
- G11B11/10502—Recording on or reproducing from the same record carrier wherein for these two operations the methods are covered by different main groups of groups G11B3/00 - G11B7/00 or by different subgroups of group G11B9/00; Record carriers therefor using recording by magnetic means or other means for magnetisation or demagnetisation of a record carrier, e.g. light induced spin magnetisation; Demagnetisation by thermal or stress means in the presence or not of an orienting magnetic field using a beam of light or a magnetic field for recording by change of magnetisation and a beam of light for reproducing, i.e. magneto-optical, e.g. light-induced thermomagnetic recording, spin magnetisation recording, Kerr or Faraday effect reproducing characterised by the transducing operation to be executed
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/90—Magnetic feature
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Manufacturing & Machinery (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1303739A JP2509716B2 (ja) | 1989-11-22 | 1989-11-22 | 光テ―プ |
JP1308699A JP2938906B2 (ja) | 1989-11-27 | 1989-11-27 | 光記録媒体 |
JP1308700A JPH03168946A (ja) | 1989-11-27 | 1989-11-27 | 光テープ及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69027103D1 true DE69027103D1 (de) | 1996-06-27 |
DE69027103T2 DE69027103T2 (de) | 1996-10-24 |
Family
ID=27338626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69027103T Expired - Fee Related DE69027103T2 (de) | 1989-11-22 | 1990-11-22 | Optisches Aufzeichnungsmedium und Verfahren zur Aufzeichnungs und Wiedergabe von Informationen darauf |
Country Status (3)
Country | Link |
---|---|
US (2) | US5674583A (de) |
EP (1) | EP0434230B1 (de) |
DE (1) | DE69027103T2 (de) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995026551A1 (en) * | 1994-03-28 | 1995-10-05 | Minnesota Mining And Manufacturing Company | Updatable optical storage medium |
US6141312A (en) * | 1997-09-30 | 2000-10-31 | Compaq Computer Coporation | Optical tape drive that performs direct read after write operations |
US20030054203A1 (en) | 1997-10-22 | 2003-03-20 | Quantum Corporation, A California Corporation | Magnetic tape |
DE19913382C2 (de) * | 1998-03-24 | 2002-08-14 | Quantum Corp | Mehrkanaliges Magnetbandsystem mit einem optischen Spur-Servo |
JP2000064041A (ja) * | 1998-08-19 | 2000-02-29 | Sony Corp | 光学測定用ブラックロールおよびこれを具備する薄膜形成装置ならびにこれを用いる薄膜形成方法 |
DE19846878A1 (de) * | 1998-10-13 | 2000-04-20 | Thomson Brandt Gmbh | Kopfanordnung zur Multispur-Aufzeichnung mit integrierter Bandführung |
US6246535B1 (en) * | 1998-11-13 | 2001-06-12 | Quantum Corporation | Optical apparatus for tracking a magnetic tape |
US6741415B1 (en) | 1999-02-16 | 2004-05-25 | Quantum Corporation | Method of writing servo signal on magnetic tape |
US6433951B1 (en) * | 1999-02-17 | 2002-08-13 | Imation Corp. | Magnetic data storage tape with etched servo pattern, method of manufacturing same, and method of servo positioning on same |
US6771450B1 (en) | 1999-02-17 | 2004-08-03 | Quantum Corporation | Method of writing servo signal on magnetic tape |
US6606220B1 (en) * | 1999-06-11 | 2003-08-12 | Quantum Corporation | Systems and methods for providing beginning-of-tape and end-of-tape indicators |
US6961200B2 (en) * | 1999-07-27 | 2005-11-01 | Quantum Corporation | Optical servo track identification on tape storage media |
US6558774B1 (en) | 1999-08-17 | 2003-05-06 | Quantum Corporation | Multiple-layer backcoating for magnetic tape |
US6500510B1 (en) | 1999-11-04 | 2002-12-31 | Molecular Storage Technologies, Inc. | Molecular level optical information storage devices |
US6540397B2 (en) * | 2000-04-07 | 2003-04-01 | Siro Technologies, Inc. | Optical information storage medium |
US6693872B1 (en) | 2000-08-29 | 2004-02-17 | Eastman Kodak Company | Multi-track optical data recording and readout |
US6791914B1 (en) | 2000-08-29 | 2004-09-14 | Eastman Kodak Company | Preformatted guide tracks and co-written control tracks for multichannel optical recording |
US7161894B2 (en) * | 2001-06-21 | 2007-01-09 | Quantum Corporation | Optical recording article |
US7023650B2 (en) | 2001-11-07 | 2006-04-04 | Quantum Corporation | Optical sensor to recording head alignment |
US7369483B2 (en) * | 2004-01-21 | 2008-05-06 | Microcontinuum, Inc. | Pre-formatted linear optical data storage medium |
JP2007524180A (ja) * | 2004-01-21 | 2007-08-23 | マイクロコンティニュアム・インコーポレーテッド | 事前フォーマット済み線状光データ記憶媒体を製造するための機器および方法 |
US7490675B2 (en) * | 2005-07-13 | 2009-02-17 | Weatherford/Lamb, Inc. | Methods and apparatus for optimizing well production |
US20070042094A1 (en) | 2005-08-22 | 2007-02-22 | Alcide Corporation | Oxidation method and compositions therefor |
JP2014041672A (ja) * | 2012-08-22 | 2014-03-06 | Fuji Electric Co Ltd | 熱アシスト記録用磁気記録媒体 |
US8869180B2 (en) * | 2012-11-27 | 2014-10-21 | Oracle America, Inc. | Rotary head multi-layer data storage and retrieval system and method |
US10102875B1 (en) * | 2017-07-31 | 2018-10-16 | Oracle International Corporation | Servo pattern for precise tracking in optical tapes |
Family Cites Families (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB446835A (en) * | 1934-11-14 | 1936-05-07 | Natale Bergamini | Improvements in or relating to the reproduction of recorded sounds |
CA1078060A (en) * | 1974-10-21 | 1980-05-20 | James T. Russell | Multi-layered optical data records and playback apparatus |
JPS54143116A (en) * | 1978-04-27 | 1979-11-08 | Matsushita Electric Ind Co Ltd | Magnetic recording medium |
JPS5545166A (en) * | 1978-09-25 | 1980-03-29 | Matsushita Electric Ind Co Ltd | Recording and reproducing method for optical information |
JPS56140536A (en) * | 1980-04-02 | 1981-11-02 | Pioneer Electronic Corp | Optical video disk using ferromagnetic metal as reflecting film |
JPS5764343A (en) * | 1980-10-06 | 1982-04-19 | Tdk Corp | Optical recording medium |
JPS57120225A (en) * | 1981-01-16 | 1982-07-27 | Toshiba Corp | Vertical magnetization type magnetic recording device |
JPS59223967A (ja) * | 1983-06-01 | 1984-12-15 | Seiko Instr & Electronics Ltd | 光デイスク |
JPS6025A (ja) * | 1983-06-14 | 1985-01-05 | 三洋電機株式会社 | 小型電気機器 |
JPS6066349A (ja) * | 1983-09-22 | 1985-04-16 | Agency Of Ind Science & Technol | 光熱磁気記録媒体およびその製造方法 |
JPS6070543A (ja) * | 1983-09-28 | 1985-04-22 | Toshiba Corp | 情報記録担体 |
JPS60258743A (ja) * | 1984-06-06 | 1985-12-20 | Toshiba Corp | 光デイスク |
DE3584945D1 (de) * | 1984-10-30 | 1992-01-30 | Brother Ind Ltd | Magnetooptisches speichermedium und geraet zum schreiben auf und lesen von dem medium. |
US4711815A (en) * | 1985-03-07 | 1987-12-08 | Matsushita Electric Industrial Co., Ltd. | Recording medium |
JPH0719396B2 (ja) * | 1985-12-09 | 1995-03-06 | ソニー株式会社 | 情報記録媒体 |
JPS62147455A (ja) * | 1985-12-20 | 1987-07-01 | Matsushita Electric Ind Co Ltd | 光学記録媒体 |
US4678271A (en) * | 1986-03-26 | 1987-07-07 | Rca Corporation | Apparatus for aligning a fiber and a device |
JP2579631B2 (ja) * | 1986-03-27 | 1997-02-05 | キヤノン株式会社 | 光磁気記録方法 |
JPS6311933A (ja) * | 1986-07-03 | 1988-01-19 | Agency Of Ind Science & Technol | 光学記録媒体 |
US4937810A (en) * | 1986-04-23 | 1990-06-26 | Drexler Technology Corporation | Optical recording tape with continuous prerecorded tracks |
US4839883A (en) * | 1986-06-30 | 1989-06-13 | Matsushita Electric Ind. Co., Ltd. | Optical information recording medium |
JPS63104526A (ja) * | 1986-10-21 | 1988-05-10 | Matsushita Electric Ind Co Ltd | 有限体の演算回路 |
JP2590844B2 (ja) * | 1986-10-31 | 1997-03-12 | ソニー株式会社 | 情報記録装置 |
JPS63146244A (ja) * | 1986-12-10 | 1988-06-18 | Hitachi Ltd | 波長多重光記録装置 |
JPS63204526A (ja) * | 1987-02-19 | 1988-08-24 | Fuji Photo Film Co Ltd | 光学的情報記録媒体 |
AU600576B2 (en) * | 1987-04-24 | 1990-08-16 | Sony Corporation | Thermomagnetic recording method applying power modulated laser on a magnetically coupled multi-layer structure of perpendicular anisotropy magnetic film |
JPS63276732A (ja) * | 1987-05-08 | 1988-11-15 | Sony Corp | 情報記録媒体 |
GB8714202D0 (en) * | 1987-06-17 | 1987-07-22 | Plessey Co Plc | Contrast enthancement in optical data storage |
JPS6442044A (en) * | 1987-08-10 | 1989-02-14 | Nec Corp | Optical recording medium |
JPS6448590A (en) * | 1987-08-18 | 1989-02-23 | Matsushita Electric Ind Co Ltd | Color frame detector |
DE3866314D1 (de) * | 1987-08-26 | 1992-01-02 | Sony Corp | Magnetooptischer aufzeichnungstraeger. |
DE3875034T2 (de) * | 1987-08-27 | 1993-02-25 | Bavelloni Z Spa | Haltekopf, insbesondere zum bearbeiten von platten in jeder groesse aus glas, marmor oder dergleichen. |
JP2641458B2 (ja) * | 1987-09-04 | 1997-08-13 | 株式会社日立製作所 | 光テープ装置 |
DE3732875A1 (de) * | 1987-09-30 | 1989-04-20 | Thomson Brandt Gmbh | Optischer aufzeichnungstraeger |
EP0312339A3 (en) * | 1987-10-13 | 1990-05-23 | Mitsui Petrochemical Industries, Ltd. | Optical information recording media and optical recording systems |
JPH01112552A (ja) * | 1987-10-26 | 1989-05-01 | Nec Corp | 光記録方式 |
JPH01192040A (ja) * | 1988-01-27 | 1989-08-02 | Nec Corp | 光ディスク及び光ディスク装置システム |
US5089358A (en) * | 1988-11-05 | 1992-02-18 | Brother Kogyo Kabushiki Kaisha | Optical recording medium |
US5075145A (en) * | 1989-04-07 | 1991-12-24 | Fuji Photo Film Co., Ltd. | Optical recording medium |
JPH1148590A (ja) * | 1997-07-30 | 1999-02-23 | Murata Mach Ltd | 印字装置 |
-
1990
- 1990-11-22 EP EP90312753A patent/EP0434230B1/de not_active Expired - Lifetime
- 1990-11-22 DE DE69027103T patent/DE69027103T2/de not_active Expired - Fee Related
-
1995
- 1995-06-05 US US08/461,164 patent/US5674583A/en not_active Expired - Lifetime
-
1997
- 1997-06-20 US US08/879,916 patent/US5989671A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5674583A (en) | 1997-10-07 |
US5989671A (en) | 1999-11-23 |
EP0434230B1 (de) | 1996-05-22 |
EP0434230A3 (en) | 1993-01-13 |
EP0434230A2 (de) | 1991-06-26 |
DE69027103T2 (de) | 1996-10-24 |
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