DE69020401D1 - Photoempfindliche Vorrichtung. - Google Patents

Photoempfindliche Vorrichtung.

Info

Publication number
DE69020401D1
DE69020401D1 DE69020401T DE69020401T DE69020401D1 DE 69020401 D1 DE69020401 D1 DE 69020401D1 DE 69020401 T DE69020401 T DE 69020401T DE 69020401 T DE69020401 T DE 69020401T DE 69020401 D1 DE69020401 D1 DE 69020401D1
Authority
DE
Germany
Prior art keywords
photosensitive device
photosensitive
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
DE69020401T
Other languages
English (en)
Other versions
DE69020401T2 (de
Inventor
Koji Yoshifusa
Hikaru Nishihara
Taizo Yokota
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 DE69020401D1 publication Critical patent/DE69020401D1/de
Application granted granted Critical
Publication of DE69020401T2 publication Critical patent/DE69020401T2/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
    • G11B7/13—Optical detectors therefor
    • G11B7/131—Arrangement of detectors in a multiple array
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Solid State Image Pick-Up Elements (AREA)
DE69020401T 1989-04-07 1990-04-03 Photoempfindliche Vorrichtung. Expired - Fee Related DE69020401T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1089315A JPH0785310B2 (ja) 1989-04-07 1989-04-07 信号処理回路内蔵型受光素子

Publications (2)

Publication Number Publication Date
DE69020401D1 true DE69020401D1 (de) 1995-08-03
DE69020401T2 DE69020401T2 (de) 1996-03-21

Family

ID=13967234

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69020401T Expired - Fee Related DE69020401T2 (de) 1989-04-07 1990-04-03 Photoempfindliche Vorrichtung.

Country Status (4)

Country Link
US (1) US5049733A (de)
EP (1) EP0391359B1 (de)
JP (1) JPH0785310B2 (de)
DE (1) DE69020401T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2621537B2 (ja) * 1990-02-07 1997-06-18 松下電器産業株式会社 光電流電圧変換器及び光ディスク記録／再生装置
DE4017487A1 (de) * 1990-05-31 1991-12-05 Thomson Brandt Gmbh Servoregelkreis
JPH04313818A (ja) * 1991-01-30 1992-11-05 Pioneer Electron Corp アクチュエータ位置検出装置、アクチュエータ位置制御装置及びトラックサーチ制御装置
US6559488B1 (en) 2000-10-02 2003-05-06 Stmicroelectronics, Inc. Integrated photodetector
DE60120086T3 (de) * 2000-11-27 2009-12-10 Omron Corp. Lichtdetektor und zugehörige lichtdetektierende IC-Karte
US6743652B2 (en) * 2002-02-01 2004-06-01 Stmicroelectronics, Inc. Method for making an integrated circuit device including photodiodes
US6580109B1 (en) 2002-02-01 2003-06-17 Stmicroelectronics, Inc. Integrated circuit device including two types of photodiodes
GB0717637D0 (en) 2007-09-10 2007-10-17 Univ Leiden Future cardiac event biomarkers
ES2897573T3 (es) 2012-03-26 2022-03-01 Xcellcure Llc Dispositivo y procedimiento para la detección de analitos

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4737946A (en) * 1984-09-03 1988-04-12 Omron Tateisi Electronics Co. Device for processing optical data with improved optical allignment means
JPS61117737A (ja) * 1984-11-13 1986-06-05 Pioneer Electronic Corp フオ−カスサ−ボ装置
US4797868A (en) * 1985-05-15 1989-01-10 Kabushiki Kaisha Toshiba Optical system employing a laser beam for focusing, tracking and transferring information signals with respect to a magneto-optical memory
DE3665372D1 (en) * 1985-05-31 1989-10-05 Siemens Ag Optical system for guiding the read-out beam in a magneto-optical memory
DE3715491A1 (de) * 1987-05-09 1988-11-17 Thomson Brandt Gmbh Geraet zur wiedergabe von daten
NL8702245A (nl) * 1987-09-21 1989-04-17 Philips Nv Inrichting voor het met optische straling aftasten van een stralingsreflekterend informatievlak.
JPH01151022A (ja) * 1987-12-09 1989-06-13 Sharp Corp 光ピックアップ装置

Also Published As

Publication number Publication date
EP0391359A2 (de) 1990-10-10
US5049733A (en) 1991-09-17
JPH02267743A (ja) 1990-11-01
EP0391359B1 (de) 1995-06-28
EP0391359A3 (de) 1992-08-19
JPH0785310B2 (ja) 1995-09-13
DE69020401T2 (de) 1996-03-21

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE MUELLER & HOFFMANN, 81667 MUENCHEN

8339 Ceased/non-payment of the annual fee