DE3883611T2 - Aufzeichnungträger-Seitenidentifizierungsvorrichtung für optisches magnetisches Aufzeichnungsmedium. - Google Patents

Aufzeichnungträger-Seitenidentifizierungsvorrichtung für optisches magnetisches Aufzeichnungsmedium.

Info

Publication number
DE3883611T2
DE3883611T2 DE88305147T DE3883611T DE3883611T2 DE 3883611 T2 DE3883611 T2 DE 3883611T2 DE 88305147 T DE88305147 T DE 88305147T DE 3883611 T DE3883611 T DE 3883611T DE 3883611 T2 DE3883611 T2 DE 3883611T2
Authority
DE
Germany
Prior art keywords
recording medium
identification device
side identification
optical magnetic
magnetic recording
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
DE88305147T
Other languages
English (en)
Other versions
DE3883611D1 (de
Inventor
Hiroshi Fuji
Tsuneo Fujiwara
Tomiyuki Numata
Kentaroh Tsuji
Takashi Nara-Shi Iwaki
Toshihisa Gakuen-Daiwa Deguchi
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.)
Sharp Corp
Original Assignee
Sharp 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 Sharp Corp filed Critical Sharp Corp
Publication of DE3883611D1 publication Critical patent/DE3883611D1/de
Application granted granted Critical
Publication of DE3883611T2 publication Critical patent/DE3883611T2/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
    • 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
    • G11B11/10595—Control of operating function
    • G11B11/10597—Adaptations for transducing various formats on the same or different carriers
DE88305147T 1987-06-05 1988-06-06 Aufzeichnungträger-Seitenidentifizierungsvorrichtung für optisches magnetisches Aufzeichnungsmedium. Expired - Fee Related DE3883611T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62142086A JPS63306555A (ja) 1987-06-05 1987-06-05 光磁気記録媒体の記録面識別装置

Publications (2)

Publication Number Publication Date
DE3883611D1 DE3883611D1 (de) 1993-10-07
DE3883611T2 true DE3883611T2 (de) 1993-12-16

Family

ID=15307101

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88305147T Expired - Fee Related DE3883611T2 (de) 1987-06-05 1988-06-06 Aufzeichnungträger-Seitenidentifizierungsvorrichtung für optisches magnetisches Aufzeichnungsmedium.

Country Status (5)

Country Link
US (1) US4993012A (de)
EP (1) EP0294242B1 (de)
JP (1) JPS63306555A (de)
CA (1) CA1312671C (de)
DE (1) DE3883611T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5257253A (en) * 1989-03-07 1993-10-26 Pioneer Electronic Corporation Laser vision disc with digital sound (LDD) disc player for reproducing analog audio signals mixed with digital audio signals
JP2731219B2 (ja) * 1989-03-07 1998-03-25 パイオニア株式会社 ディスクプレーヤ
US5016992A (en) * 1989-03-16 1991-05-21 Forschungszentrum Julich Gmbh Method of and apparatus for the reading of magnetically stored information
KR930009225B1 (ko) * 1989-09-05 1993-09-24 미쯔비시덴기 가부시끼가이샤 광자기 기록 매체, 광자기 기록 장치 및 광자기 기록 매체의 제조방법
JP2835407B2 (ja) * 1989-10-02 1998-12-14 三菱電機株式会社 光磁気記録媒体及び光磁気記録装置
US10861493B1 (en) * 2014-07-29 2020-12-08 Kla Corporation Magneto-optic systems with multi-ID disk positioning

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4497049A (en) * 1982-02-25 1985-01-29 Staar S. A. System for detecting the operative face of a disc carrying data on one face only
JPS59119504A (ja) * 1982-12-27 1984-07-10 Fujitsu Ltd 垂直磁気記録装置
JPS59152551A (ja) * 1983-02-19 1984-08-31 Canon Inc 光磁気記録装置
JPS6053863A (ja) * 1983-09-05 1985-03-27 Sony Corp 磁気記録媒体の磁化方向検出装置

Also Published As

Publication number Publication date
EP0294242B1 (de) 1993-09-01
EP0294242A2 (de) 1988-12-07
EP0294242A3 (en) 1990-06-13
CA1312671C (en) 1993-01-12
DE3883611D1 (de) 1993-10-07
US4993012A (en) 1991-02-12
JPS63306555A (ja) 1988-12-14

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Legal Events

Date Code Title Description
8381 Inventor (new situation)

Free format text: FUJI, HIROSHI, TENRI-SHI NARA-KEN, JP FUJIWARA, TSUNEO, TENRI-SHI NARA-KEN, JP NUMATA, TOMIYUKI, TENRI-SHI NARA-KEN, JP TSUJI, KENTAROH, SHICHI-IYO, JP IWAKI, TAKASHI, NIJYO-CHO, JP DEGUCHI TOSHIHISA, GAKUEN-DAIWA-CHO, NARA-SHI, NARA-KEN, JP TSUJI, KENTAROH, SHICHI-IYO, JP TSUJI, KENTAROH, SHICHI-IYO, JP TSUJI, KENTAROH, SHICHI-IYO, JP

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee