DE3583110D1 - System zur verhinderung des ueberschreibens vorher optisch aufgezeichneter daten und zum lesen optisch aufgezeichneter daten waehrend der aufzeichnung. - Google Patents

System zur verhinderung des ueberschreibens vorher optisch aufgezeichneter daten und zum lesen optisch aufgezeichneter daten waehrend der aufzeichnung.

Info

Publication number
DE3583110D1
DE3583110D1 DE8585113373T DE3583110T DE3583110D1 DE 3583110 D1 DE3583110 D1 DE 3583110D1 DE 8585113373 T DE8585113373 T DE 8585113373T DE 3583110 T DE3583110 T DE 3583110T DE 3583110 D1 DE3583110 D1 DE 3583110D1
Authority
DE
Germany
Prior art keywords
recorded data
recording
reading optically
data during
preventing overwriting
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
Application number
DE8585113373T
Other languages
English (en)
Inventor
Glenn D Baltaden
Duane W Baxter
Neil R Davie
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of DE3583110D1 publication Critical patent/DE3583110D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
    • G11B7/126—Circuits, methods or arrangements for laser control or stabilisation
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
    • G11B19/02—Control of operating function, e.g. switching from recording to reproducing
    • G11B19/04—Arrangements for preventing, inhibiting, or warning against double recording on the same blank or against other recording or reproducing malfunctions
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/36—Monitoring, i.e. supervising the progress of recording or reproducing
    • 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
    • G11B7/0045—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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
    • G11B7/13—Optical detectors therefor

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
DE8585113373T 1984-11-19 1985-10-22 System zur verhinderung des ueberschreibens vorher optisch aufgezeichneter daten und zum lesen optisch aufgezeichneter daten waehrend der aufzeichnung. Expired - Fee Related DE3583110D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/672,559 US4631706A (en) 1984-11-19 1984-11-19 System for preventing the overwriting of previously optically recorded data and for reading optically recorded data during writing

Publications (1)

Publication Number Publication Date
DE3583110D1 true DE3583110D1 (de) 1991-07-11

Family

ID=24699073

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585113373T Expired - Fee Related DE3583110D1 (de) 1984-11-19 1985-10-22 System zur verhinderung des ueberschreibens vorher optisch aufgezeichneter daten und zum lesen optisch aufgezeichneter daten waehrend der aufzeichnung.

Country Status (4)

Country Link
US (1) US4631706A (de)
EP (1) EP0182127B1 (de)
JP (1) JP2602493B2 (de)
DE (1) DE3583110D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6267731A (ja) * 1985-09-20 1987-03-27 Fujitsu Ltd 光記録再生方法及び光記録再生装置
JPS62239438A (ja) * 1986-04-10 1987-10-20 Brother Ind Ltd 固体メモリ
JPS6361426A (ja) * 1986-08-22 1988-03-17 Csk Corp 光記録媒体のデ−タ追記方式
DE3809677A1 (de) * 1987-03-19 1988-12-01 Toshiba Kk Anzeige- und eingabegeraet
KR910009851B1 (ko) * 1989-04-22 1991-11-30 삼성전자 주식회사 광디스크 구동장치의 중복기록 방지회로
JPH03116534A (ja) * 1989-09-29 1991-05-17 Toshiba Corp 光ディスク装置
JPH0411325A (ja) * 1990-04-27 1992-01-16 Sony Corp 光ディスク記録装置
GB9026774D0 (en) * 1990-12-10 1991-01-30 Plasmon Data Systems Inc Improving optical disk recording performance
JP2948005B2 (ja) * 1991-12-26 1999-09-13 株式会社日本コンラックス 光学的情報記録再生装置および光学的情報記録方法
JP3225640B2 (ja) * 1992-10-23 2001-11-05 ソニー株式会社 記録装置
US5430702A (en) * 1994-02-16 1995-07-04 International Business Machines Corporation Calibration of readback threshold in an optical storage device
KR100713402B1 (ko) * 1999-09-16 2007-05-03 엘지전자 주식회사 디스크 기록매체의 기록가능 위치 결정방법 및 장치
WO2005084882A1 (ja) 2004-03-08 2005-09-15 Pascal Engineering Corporation クランプ装置及びクランプ方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57167142A (en) * 1981-04-09 1982-10-14 Mitsubishi Electric Corp Optical recording and reproducing device
JPS5823332A (ja) * 1981-08-02 1983-02-12 Sony Corp 光学式デイスク再生装置のフオ−カス状態検出制御装置
US4402061A (en) * 1981-10-15 1983-08-30 Burroughs Corporation Preformatted optical media for use in an optical memory system
JPS58158038A (ja) * 1982-03-15 1983-09-20 Toshiba Corp 光デイスク装置
JPS58158040A (ja) * 1982-03-16 1983-09-20 Nec Corp 光情報記録再生装置
JPS57181440A (en) * 1982-04-07 1982-11-08 Hitachi Ltd Information recorder and reproducer
JPS5922237A (ja) * 1982-07-28 1984-02-04 Fujitsu Ltd 光デイスクの記録位置誤り検査方式
US4575820A (en) * 1983-07-28 1986-03-11 Barditch Irving F Optical input with electrical readout memory mosaic

Also Published As

Publication number Publication date
EP0182127B1 (de) 1991-06-05
EP0182127A3 (en) 1988-07-27
JPS61126643A (ja) 1986-06-14
JP2602493B2 (ja) 1997-04-23
EP0182127A2 (de) 1986-05-28
US4631706A (en) 1986-12-23

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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