DE69120608T2 - Optischer Abtastkopf - Google Patents

Optischer Abtastkopf

Info

Publication number
DE69120608T2
DE69120608T2 DE69120608T DE69120608T DE69120608T2 DE 69120608 T2 DE69120608 T2 DE 69120608T2 DE 69120608 T DE69120608 T DE 69120608T DE 69120608 T DE69120608 T DE 69120608T DE 69120608 T2 DE69120608 T2 DE 69120608T2
Authority
DE
Germany
Prior art keywords
optical scanning
scanning head
head
optical
scanning
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
DE69120608T
Other languages
English (en)
Other versions
DE69120608D1 (de
Inventor
Satoshi Sugiura
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.)
Pioneer Corp
Original Assignee
Pioneer Electronic 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 Pioneer Electronic Corp filed Critical Pioneer Electronic Corp
Application granted granted Critical
Publication of DE69120608D1 publication Critical patent/DE69120608D1/de
Publication of DE69120608T2 publication Critical patent/DE69120608T2/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
    • G11B7/135—Means for guiding the beam from the source to the record carrier or from the record carrier to the detector
    • G11B7/1353—Diffractive elements, e.g. holograms or gratings
    • 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
    • G11B7/123—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate
    • G11B7/124—Integrated head arrangements, e.g. with source and detectors mounted on the same substrate the integrated head arrangements including waveguides

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Optical Recording Or Reproduction (AREA)
DE69120608T 1990-07-25 1991-04-18 Optischer Abtastkopf Expired - Fee Related DE69120608T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19670890A JP3187041B2 (ja) 1990-07-25 1990-07-25 光ピックアップ装置

Publications (2)

Publication Number Publication Date
DE69120608D1 DE69120608D1 (de) 1996-08-08
DE69120608T2 true DE69120608T2 (de) 1997-02-13

Family

ID=16362269

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69120608T Expired - Fee Related DE69120608T2 (de) 1990-07-25 1991-04-18 Optischer Abtastkopf

Country Status (4)

Country Link
US (1) US5198838A (de)
EP (1) EP0468617B1 (de)
JP (1) JP3187041B2 (de)
DE (1) DE69120608T2 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3635524B2 (ja) * 1999-02-12 2005-04-06 パイオニア株式会社 光導波路素子及び光ピックアップ
JP2007071615A (ja) * 2005-09-06 2007-03-22 Tohoku Univ 表面プラズモン共鳴角スペクトル測定装置
JP6303323B2 (ja) * 2013-08-09 2018-04-04 株式会社豊田中央研究所 光学装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3536497A1 (de) * 1984-10-16 1986-04-17 Mitsubishi Denki K.K., Tokio/Tokyo Vorrichtung zur erfassung von fokussierungsfehlern in einer kopfanordnung fuer optische scheiben
US4885732A (en) * 1986-09-02 1989-12-05 Fuji Photo Film Co., Ltd. Optical pickup apparatus for detecting and correcting focusing and tracking errors in detected recorded signals
JPH0622065B2 (ja) * 1987-02-25 1994-03-23 株式会社日立製作所 集積型光ヘツド

Also Published As

Publication number Publication date
US5198838A (en) 1993-03-30
EP0468617B1 (de) 1996-07-03
JPH0489635A (ja) 1992-03-23
JP3187041B2 (ja) 2001-07-11
EP0468617A1 (de) 1992-01-29
DE69120608D1 (de) 1996-08-08

Similar Documents

Publication Publication Date Title
DE69326213T2 (de) Optischer Abtastkopf
DE69317731D1 (de) Optischer Abtastkopf
DE69123381D1 (de) Optisches Abtastgerät
DE69233577T2 (de) Lichtabtastvorrichtung
DE69116605D1 (de) Optischer Abtastkopf
DE69119564T2 (de) Optisches Abtastgerät
DE69127963D1 (de) Optisches Abtastsystem
KR930701808A (ko) 광학 스캐닝 장치
DE69132683T2 (de) Optisches Abtastsystem
DE69118829T2 (de) Optisches Abtastgerät
DE69128312T2 (de) Optisches Abtastgerät
DE69127324T2 (de) Optischer Kopf
DE69119473D1 (de) Optischer Abtastkopf mit Halterungsvorrichtung
DE69120631D1 (de) Optischer Kopf
DE69120608T2 (de) Optischer Abtastkopf
DE69215828D1 (de) Optischer Abtastkopf
DK0680641T4 (da) Optisk scanningshoved
DE9216220U1 (de) Optischer Abtastkopf
DE9117238U1 (de) Optischer Scanner

Legal Events

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