FR2613866B1 - Appareil d'enregistrement et de reproduction optique d'information - Google Patents

Appareil d'enregistrement et de reproduction optique d'information

Info

Publication number
FR2613866B1
FR2613866B1 FR8804534A FR8804534A FR2613866B1 FR 2613866 B1 FR2613866 B1 FR 2613866B1 FR 8804534 A FR8804534 A FR 8804534A FR 8804534 A FR8804534 A FR 8804534A FR 2613866 B1 FR2613866 B1 FR 2613866B1
Authority
FR
France
Prior art keywords
reproduction
information recording
optical information
optical
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 - Lifetime
Application number
FR8804534A
Other languages
English (en)
Other versions
FR2613866A1 (fr
Inventor
Shinoda Masahisa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Priority claimed from JP62083861A external-priority patent/JPS63249939A/ja
Priority claimed from JP62083860A external-priority patent/JPS63249941A/ja
Priority claimed from JP62137795A external-priority patent/JPS63302433A/ja
Priority claimed from JP62329942A external-priority patent/JPH083903B2/ja
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of FR2613866A1 publication Critical patent/FR2613866A1/fr
Application granted granted Critical
Publication of FR2613866B1 publication Critical patent/FR2613866B1/fr
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
    • 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
    • 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
    • G11B7/1365—Separate or integrated refractive elements, e.g. wave plates
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0901—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for track following only
    • G11B7/0903—Multi-beam tracking systems
    • 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
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
    • G11B7/0909—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only by astigmatic methods

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
FR8804534A 1987-04-07 1988-04-06 Appareil d'enregistrement et de reproduction optique d'information Expired - Lifetime FR2613866B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP62083861A JPS63249939A (ja) 1987-04-07 1987-04-07 光記録再生装置
JP62083860A JPS63249941A (ja) 1987-04-07 1987-04-07 光記録再生装置
JP62137795A JPS63302433A (ja) 1987-06-02 1987-06-02 ２ビ−ム光ヘツド
JP62329942A JPH083903B2 (ja) 1987-12-28 1987-12-28 光記録再生装置

Publications (2)

Publication Number Publication Date
FR2613866A1 FR2613866A1 (fr) 1988-10-14
FR2613866B1 true FR2613866B1 (fr) 1994-01-14

Family

ID=27466884

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8804534A Expired - Lifetime FR2613866B1 (fr) 1987-04-07 1988-04-06 Appareil d'enregistrement et de reproduction optique d'information

Country Status (2)

Country Link
US (1) US4935913A (fr)
FR (1) FR2613866B1 (fr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5553051A (en) * 1987-09-04 1996-09-03 Hitachi, Ltd. Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same
JP2649231B2 (ja) * 1987-11-20 1997-09-03 株式会社 日本コンラックス 光学的情報再生装置
US5341355A (en) * 1988-05-20 1994-08-23 Ricoh Company, Ltd. Multibeam optical pickup and servo method thereof
NL8901588A (nl) * 1989-06-23 1991-01-16 Philips Nv Inrichting voor het optekenen van informatie op een registratiedrager met een stralingsgevoelige laag.
US5511050A (en) * 1988-09-21 1996-04-23 Hitachi, Ltd. Focus error detecting method and optical head using the same
US5303217A (en) * 1989-06-23 1994-04-12 U.S. Philips Corporation Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal
JPH0354733A (ja) * 1989-07-21 1991-03-08 Sony Corp 光学記録および／または再生装置
JPH03100931A (ja) * 1989-09-14 1991-04-25 Mitsubishi Electric Corp 光学式情報記録再生装置
JP2723646B2 (ja) * 1990-03-27 1998-03-09 キヤノン株式会社 光学的情報処理装置
US5210627A (en) * 1990-05-31 1993-05-11 Mitsubishi Denki Kabushiki Kaisha Optical record and reproduction apparatus with liquid crystal panel that rotates light followed by a polarizer or birefringent plate
DE4026875A1 (de) * 1990-08-25 1992-02-27 Thomson Brandt Gmbh Optische abtastvorrichtung
US5490133A (en) * 1990-10-05 1996-02-06 Hitachi, Ltd. Optical information processing apparatus and method of controlling position of optical spot and reproducing signals
JP2738785B2 (ja) * 1991-06-27 1998-04-08 三菱電機株式会社 光磁気記録再生装置
US5450390A (en) * 1991-08-13 1995-09-12 Hitachi, Ltd. Method and apparatus for writing and reading information and storage medium used for the same
KR950010418B1 (ko) * 1991-08-28 1995-09-16 미쯔비시덴끼 가부시끼가이샤 광기록재생장치
JP2699914B2 (ja) * 1995-03-09 1998-01-19 日本電気株式会社 記録再生方法および装置
JP2004265512A (ja) * 2003-02-28 2004-09-24 Toshiba Corp 光ヘッド装置および光ヘッド装置を用いた光ディスク装置ならびに放熱機構
TWI427631B (zh) * 2006-10-10 2014-02-21 Thomson Licensing 記錄層具有凹溝結構之光學記錄媒體，在其上記錄用之光學拾波器及記錄裝置和方法
US8441903B2 (en) * 2011-08-17 2013-05-14 Lsi Corporation Optical disk playback device with prescan functionality for early detection of surface imperfections
JP2014211924A (ja) 2011-08-31 2014-11-13 パナソニック株式会社 光ピックアップおよび光記録再生装置
JP6032634B2 (ja) 2011-09-22 2016-11-30 パナソニックＩｐマネジメント株式会社 光ピックアップおよび光記録再生装置
JP2013093086A (ja) 2011-10-03 2013-05-16 Panasonic Corp 光記録再生装置
JP2013093087A (ja) 2011-10-07 2013-05-16 Panasonic Corp 光ピックアップおよび光記録再生装置
JP2013093088A (ja) 2011-10-07 2013-05-16 Panasonic Corp 光記録再生装置
JP5957737B2 (ja) 2011-10-31 2016-07-27 パナソニックＩｐマネジメント株式会社 光ピックアップおよび光記録再生装置
US9361927B2 (en) 2012-12-12 2016-06-07 Panasonic Intellectual Property Management Co., Ltd. Optical pickup and optical recording and reproducing device

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54146613A (en) * 1978-05-10 1979-11-16 Hitachi Ltd Optical head
NL8101932A (nl) * 1981-04-21 1982-11-16 Philips Nv Inrichting voor het inschrijven en uitlezen van informatiesporen in een optische registratiedrager.
JPS57191841A (en) * 1981-05-20 1982-11-25 Matsushita Electric Ind Co Ltd Optical recording and reproducing device
JPS5819744A (ja) * 1981-07-24 1983-02-04 Sony Corp 光学式記録再生装置
JPS5971142A (ja) * 1982-10-14 1984-04-21 Mitsubishi Electric Corp 光学的情報再生装置
EP0135750B1 (fr) * 1983-08-26 1988-06-22 Hitachi, Ltd. Appareil d'enregistrement et de reproduction d'informations optiques
JPS6116042A (ja) * 1984-07-03 1986-01-24 Canon Inc 光学式情報記録装置
US4712207A (en) * 1985-03-18 1987-12-08 Rca Corporation Apparatus for erasing information on a reversible optical recording medium
US4754446A (en) * 1987-01-23 1988-06-28 General Electric Company Optical recording system using refracted write beam for erasing

Also Published As

Publication number Publication date
FR2613866A1 (fr) 1988-10-14
US4935913A (en) 1990-06-19

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