JPS60132616U - 記録装置 - Google Patents

記録装置

Info

Publication number
JPS60132616U
JPS60132616U JP1984017480U JP1748084U JPS60132616U JP S60132616 U JPS60132616 U JP S60132616U JP 1984017480 U JP1984017480 U JP 1984017480U JP 1748084 U JP1748084 U JP 1748084U JP S60132616 U JPS60132616 U JP S60132616U
Authority
JP
Japan
Prior art keywords
light beam
recording medium
recording
light
grooves
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.)
Granted
Application number
JP1984017480U
Other languages
English (en)
Other versions
JPH042414Y2 (ja
Inventor
太田　峯正
修 松本
大平　博之
Original Assignee
パイオニア株式会社
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 パイオニア株式会社 filed Critical パイオニア株式会社
Priority to JP1984017480U priority Critical patent/JPS60132616U/ja
Priority to DE19853504968 priority patent/DE3504968A1/de
Priority to GB08503648A priority patent/GB2156139B/en
Priority to US06/701,267 priority patent/US4680745A/en
Publication of JPS60132616U publication Critical patent/JPS60132616U/ja
Application granted granted Critical
Publication of JPH042414Y2 publication Critical patent/JPH042414Y2/ja
Granted 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
    • G11B7/24—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
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • 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
    • G11B7/128—Modulators
    • 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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1372—Lenses
    • G11B2007/13727—Compound lenses, i.e. two or more lenses co-operating to perform a function, e.g. compound objective lens including a solid immersion lens, positive and negative lenses either bonded together or with adjustable spacing

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Manufacturing Optical Record Carriers (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【図面の簡単な説明】
第１図は従来の記録装置を示すブロック図、第２図は第
１図に示した従来の記録装置による記録の説明に供する
模式図、第３図は本考案の一実施例を示すブロック図、
第４図は本考案の一実施例による記録の説明に供する模
式図である。 ２１および２４・・・光ビーム、２２および２５・・・
光変調器、２３および２６・・・連続可変ビームエクス
パンダ、２７・・・ミラー、２８，２９，３３および３
８・・・ビームスプリッタ、３０・・・グイクロイック
ミラー、３１・・・集光レンズ、３２・・・記録媒体、
３４および３５・・・モニタ、３９・・・フォーカスサ
ー　。 ボ系、５１および５２・・・光スポット、５３・・・ピ
ット、５４・・・溝。

Claims (1)

    【実用新案登録請求の範囲】
  1. 記録媒体上に光ビームを照射してピットおよび溝を形成
    させる記録装置において、ピットを形成させるための第
    １の光ビームが供給されて、第１の光ビームによる記録
    媒体上の光スポットの大きさおよび記録パワーを可変す
    る第１の可変手段と、波長が第１の光ビームと独立して
    設定でき、かつ溝を形成させるための第２の光ビームが
    供給されて、第２の光ビームによる記録媒体上の光スポ
    ットの大きさおよび記録パワーを可変とする第２の可変
    手段とを備え、第１の光ビームによる光スポットにて記
    録媒体にピットを、かつ第２の光ビームによる光スポッ
    トにて記録媒体に溝を形成することを特徴とする記録装
    置。
JP1984017480U 1984-02-13 1984-02-13 記録装置 Granted JPS60132616U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1984017480U JPS60132616U (ja) 1984-02-13 1984-02-13 記録装置
DE19853504968 DE3504968A1 (de) 1984-02-13 1985-02-13 Aufzeichnungsgeraet fuer eine optische platte
GB08503648A GB2156139B (en) 1984-02-13 1985-02-13 Optical disk recording apparatus
US06/701,267 US4680745A (en) 1984-02-13 1985-02-13 Optical disk recording apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984017480U JPS60132616U (ja) 1984-02-13 1984-02-13 記録装置

Publications (2)

Publication Number Publication Date
JPS60132616U true JPS60132616U (ja) 1985-09-04
JPH042414Y2 JPH042414Y2 (ja) 1992-01-28

Family

ID=11945164

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984017480U Granted JPS60132616U (ja) 1984-02-13 1984-02-13 記録装置

Country Status (4)

Country Link
US (1) US4680745A (ja)
JP (1) JPS60132616U (ja)
DE (1) DE3504968A1 (ja)
GB (1) GB2156139B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278740A (ja) * 1985-10-02 1987-04-11 Matsushita Electric Ind Co Ltd 情報記録原盤記録方法

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8500153A (nl) * 1985-01-22 1986-08-18 Philips Nv Registratiedragerlichaam voorzien van een reliefstruktuur van optisch detekteerbare servospoorgedeelten en sektoradressen en inrichting voor het aanbrengen van deze struktuur.
US4864326A (en) * 1985-03-18 1989-09-05 Canon Kabushiki Kaisha Dual beam recorder
DE3720079A1 (de) * 1987-06-16 1988-12-29 Breitmeier Ulrich Optischer abtastkopf
DE3803181A1 (de) * 1988-02-03 1989-08-17 Sick Optik Elektronik Erwin Optische oberflaecheninspektionsvorrichtung
US5208801A (en) * 1988-02-05 1993-05-04 Tandy Corporation Method and apparatus for correcting focus in an optical recording system
JPH0677336B2 (ja) * 1988-12-09 1994-09-28 シャープ株式会社 光ピックアップ装置
JPH06131688A (ja) * 1992-10-20 1994-05-13 Hitachi Ltd ２レーザ光ヘッド及び記録再生装置
JP2795233B2 (ja) * 1995-09-29 1998-09-10 日本電気株式会社 光ヘッド装置
DE19545857A1 (de) * 1995-12-08 1997-06-12 Leybold Ag Vorrichtung zum Belichten eines kreisscheibenförmigen Substrates
EP1063644B1 (en) * 1999-06-25 2005-08-17 Samsung Electronics Co., Ltd. Method of compensating for tilt and/or defocus and apparatus therefor
US6570840B1 (en) * 2000-04-26 2003-05-27 Optical Disc Corporation Figure of merit in optical recording structures
ATE390686T1 (de) * 2004-05-04 2008-04-15 Koninkl Philips Electronics Nv Optische lese-/schreibvorrichtung mit speziellem fokus-tracking-strahl
US9157801B2 (en) 2011-06-21 2015-10-13 Alakai Defense Systems, Inc. Laser detection system having an output beam directed through a telescope

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027502A (ja) * 1973-03-27 1975-03-20

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3902010A (en) * 1972-02-15 1975-08-26 Canon Kk Information recording device with record having layers with different intensity sensitivity
US3819130A (en) * 1972-10-24 1974-06-25 Minnesota Mining & Mfg Four-reel magnetic tape cartridge
US4027330A (en) * 1973-03-27 1977-05-31 Ted-Bildplatten Aktiengesellschaft, Aeg-Telefunken, Teldec Disc recording
DE2418511A1 (de) * 1973-04-17 1974-10-24 Canon Kk Informationsaufzeichnungsmedium
NL7410642A (nl) * 1974-08-08 1976-02-10 Philips Nv Opto-elektronisch fokusseringsdetektiestelsel.
JPS5363002A (en) * 1976-11-18 1978-06-06 Sony Corp Signal recording system and disk type medium for recording signal
JPS5558832A (en) * 1978-10-24 1980-05-01 Mitsubishi Electric Corp Signal recording and reproducing unit of optical type
NL8101932A (nl) * 1981-04-21 1982-11-16 Philips Nv Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager.
JPS5965951A (ja) * 1982-10-08 1984-04-14 Toshiba Corp 情報記憶媒体用原盤
JPS5968844A (ja) * 1982-10-14 1984-04-18 Matsushita Electric Ind Co Ltd 光学的可逆記録再生装置

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5027502A (ja) * 1973-03-27 1975-03-20

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6278740A (ja) * 1985-10-02 1987-04-11 Matsushita Electric Ind Co Ltd 情報記録原盤記録方法

Also Published As

Publication number Publication date
GB2156139B (en) 1987-04-29
GB8503648D0 (en) 1985-03-13
US4680745A (en) 1987-07-14
GB2156139A (en) 1985-10-02
JPH042414Y2 (ja) 1992-01-28
DE3504968A1 (de) 1985-08-14

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