DE3773352D1 - Optische platte und optisches plattengeraet. - Google Patents

Optische platte und optisches plattengeraet.

Info

Publication number
DE3773352D1
DE3773352D1 DE8787311177T DE3773352T DE3773352D1 DE 3773352 D1 DE3773352 D1 DE 3773352D1 DE 8787311177 T DE8787311177 T DE 8787311177T DE 3773352 T DE3773352 T DE 3773352T DE 3773352 D1 DE3773352 D1 DE 3773352D1
Authority
DE
Germany
Prior art keywords
optical disk
disk device
optical
disk
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 - Lifetime
Application number
DE8787311177T
Other languages
English (en)
Inventor
Makoto Usui
Katsumi Murai
Isao Satoh
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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
Priority claimed from JP30427486A external-priority patent/JPS63157374A/ja
Priority claimed from JP62069315A external-priority patent/JPS63237220A/ja
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Application granted granted Critical
Publication of DE3773352D1 publication Critical patent/DE3773352D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1883—Methods for assignment of alternate areas for defective areas
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/14—Digital recording or reproducing using self-clocking codes
    • G11B20/1403—Digital recording or reproducing using self-clocking codes characterised by the use of two levels
    • G11B20/1423—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code
    • G11B20/1426—Code representation depending on subsequent bits, e.g. delay modulation, double density code, Miller code conversion to or from block codes or representations thereof
    • 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
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1833—Error detection or correction; Testing, e.g. of drop-outs by adding special lists or symbols to the coded information
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers
DE8787311177T 1986-12-19 1987-12-18 Optische platte und optisches plattengeraet. Expired - Lifetime DE3773352D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30427486A JPS63157374A (ja) 1986-12-19 1986-12-19 符号誤り訂正方法
JP62069315A JPS63237220A (ja) 1987-03-24 1987-03-24 光デイスク

Publications (1)

Publication Number Publication Date
DE3773352D1 true DE3773352D1 (de) 1991-10-31

Family

ID=26410517

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8787311177T Expired - Lifetime DE3773352D1 (de) 1986-12-19 1987-12-18 Optische platte und optisches plattengeraet.

Country Status (3)

Country Link
US (1) US4821253A (de)
EP (1) EP0272135B1 (de)
DE (1) DE3773352D1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6410463A (en) * 1987-07-01 1989-01-13 Sony Corp Magnetic disk
US5220543A (en) * 1989-02-14 1993-06-15 Victor Company Of Japan, Ltd. Compact optical disc recording/reproducing system
US5312559A (en) * 1992-07-07 1994-05-17 The Procter & Gamble Company Personal cleanser with moisturizer
JPH0773602A (ja) * 1993-09-02 1995-03-17 Fujitsu Ltd 光ディスク装置
US5396479A (en) * 1994-05-06 1995-03-07 Maxoptix Corporation Apparatus and method for setting a threshold level to maintain duty cycle in a pulse width modulated optical recording system
US5739969A (en) * 1994-07-26 1998-04-14 Inwave Technologies, Inc. Digital data storage using predetermined increments of time wherein each increment represents a plurality of bits of information
JP3520576B2 (ja) * 1994-10-24 2004-04-19 ソニー株式会社 誤り訂正方法
US5629914A (en) * 1995-03-20 1997-05-13 International Business Machines Corporation Data-transition threshold following in optical recording
JPH08315515A (ja) * 1995-05-18 1996-11-29 Sony Corp データ記録／再生装置および方法、並びにデータ記録媒体
JPH08329612A (ja) * 1995-06-02 1996-12-13 Sony Corp データ記録ディスク
US5825744A (en) * 1996-05-13 1998-10-20 International Business Machines Corporation Configurable read detection channel and method for decoding data stored within a data storage medium
US5959962A (en) * 1996-09-30 1999-09-28 Kabushiki Kaisha Toshiba Optical disk having a format condition information drive
US5802031A (en) * 1997-01-28 1998-09-01 International Business Machines Corporation Programmable PPM/PWM writing system for optical disk

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4434487A (en) * 1981-10-05 1984-02-28 Digital Equipment Corporation Disk format for secondary storage system
JPS59165207A (ja) * 1983-03-11 1984-09-18 Hitachi Ltd 情報記録方式
FR2575857B1 (fr) * 1984-11-29 1995-03-03 Canon Kk Appareil de stockage optique d'informations

Also Published As

Publication number Publication date
US4821253A (en) 1989-04-11
EP0272135A3 (en) 1989-08-16
EP0272135A2 (de) 1988-06-22
EP0272135B1 (de) 1991-09-25

Similar Documents

Publication Publication Date Title
DE3787940D1 (de) Optische Platte und optischer Plattenantrieb.
DE3768795D1 (de) Optische informationsaufzeichnungsplatte und geraet dafuer.
DE3878924T2 (de) Optisch gekuppelte kassette und gerät.
DE69016054D1 (de) Optische Platte.
KR890700255A (ko) 광디스크 판별장치
DE3889092D1 (de) Optische Zeichenlesevorrichtung.
DE3777461D1 (de) Optisches aufzeichnungs-und wiedergabegeraet.
DE3751744D1 (de) Plattengerät
DE3581550D1 (de) Optische plattengeraete.
DE3872926T2 (de) Optische plattenaufzeichnungsvorrichtung.
DE69012945D1 (de) Optische aufzeichnungs- und/oder -wiedergabegerät.
DE69018561D1 (de) Optisches Plattengerät.
DE69112936T2 (de) Optische Platte.
DE3584615D1 (de) Optische aufnahme- und wiedergabevorrichtung.
DE3678311D1 (de) Optisches plattengeraet.
DE69112233D1 (de) Optische Platte.
DE3773352D1 (de) Optische platte und optisches plattengeraet.
DE69018904T2 (de) Optisches Scheibengerät.
DE3885172T2 (de) Optische Platte.
KR900006946A (ko) 광디스크장치
DE3788883T2 (de) Optisches Scheibebetriebsgerät und Informationsspeichergerät.
DE3787388T2 (de) Optisches Aufzeichnungsgerät.
DE3782815T2 (de) Polycarbonatcopolymer und optische platte.
DE3763266D1 (de) Optische speicherplatte.
DE69018150D1 (de) Optisches Aufzeichnungs- und/oder Wiedergabegerät.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee