DE69631319D1 - Lichtemittierende/-empfangende Vorrichtung und optisches System - Google Patents

Lichtemittierende/-empfangende Vorrichtung und optisches System

Info

Publication number
DE69631319D1
DE69631319D1 DE69631319T DE69631319T DE69631319D1 DE 69631319 D1 DE69631319 D1 DE 69631319D1 DE 69631319 T DE69631319 T DE 69631319T DE 69631319 T DE69631319 T DE 69631319T DE 69631319 D1 DE69631319 D1 DE 69631319D1
Authority
DE
Germany
Prior art keywords
light emitting
optical system
receiving device
receiving
optical
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
DE69631319T
Other languages
English (en)
Other versions
DE69631319T2 (de
Inventor
Jean-Claude Lehureau
Jean-Charles Renaud
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.)
Callahan Cellular LLC
Original Assignee
Thales SA
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 Thales SA filed Critical Thales SA
Publication of DE69631319D1 publication Critical patent/DE69631319D1/de
Application granted granted Critical
Publication of DE69631319T2 publication Critical patent/DE69631319T2/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
    • 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
    • G11B7/135—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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S5/00—Semiconductor lasers
    • H01S5/02—Structural details or components not essential to laser action
    • H01S5/026—Monolithically integrated components, e.g. waveguides, monitoring photo-detectors, drivers
    • H01S5/0262—Photo-diodes, e.g. transceiver devices, bidirectional devices
    • 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
    • G11B7/0916—Foucault or knife-edge methods
    • 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
    • G11B7/0943—Methods and circuits for performing mathematical operations on individual detector segment outputs

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Optical Head (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Solid State Image Pick-Up Elements (AREA)
DE1996631319 1995-10-17 1996-10-08 Lichtemittierende/-empfangende Vorrichtung und optisches System Expired - Lifetime DE69631319T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9512147 1995-10-17
FR9512147A FR2739965B1 (fr) 1995-10-17 1995-10-17 Dispositif emetteur-recepteur de lumiere et systeme de lecture optique

Publications (2)

Publication Number Publication Date
DE69631319D1 true DE69631319D1 (de) 2004-02-19
DE69631319T2 DE69631319T2 (de) 2004-11-18

Family

ID=9483592

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1996631319 Expired - Lifetime DE69631319T2 (de) 1995-10-17 1996-10-08 Lichtemittierende/-empfangende Vorrichtung und optisches System

Country Status (7)

Country Link
US (1) US5872764A (de)
EP (1) EP0769778B1 (de)
JP (1) JP3837798B2 (de)
KR (1) KR100501785B1 (de)
CA (1) CA2188006A1 (de)
DE (1) DE69631319T2 (de)
FR (1) FR2739965B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2786345B1 (fr) 1998-11-24 2001-02-09 Thomson Csf Dispositif de cryptage quantique
US7149173B2 (en) * 2000-10-17 2006-12-12 Thales Medium for recording optically readable data, method for making same and optical system reproducing said data
FR2824905B1 (fr) * 2001-05-15 2003-08-29 Thomson Csf Gyrometre a fibre optique
FR2837972B1 (fr) 2002-04-02 2006-07-21 Thales Sa Procede d'asservissement radial pour un dispositif de reproduction d'informations d'un disque optique et dispositif de reproduction mettant en oeuvre ce procede
US8351489B2 (en) 2009-06-08 2013-01-08 King Fahd University Of Petroleum And Minerals Two-phase return-to-zero asynchronous transceiver
US9952388B2 (en) * 2012-09-16 2018-04-24 Shalom Wertsberger Nano-scale continuous resonance trap refractor based splitter, combiner, and reflector
CN112540373A (zh) * 2020-11-11 2021-03-23 武汉锐科光纤激光技术股份有限公司 一种激光雷达装置及激光测量方法

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2266932B1 (de) * 1973-03-02 1977-09-02 Thomson Brandt
FR2222665B1 (de) * 1973-03-21 1975-10-31 Thomson Brandt
FR2235448B1 (de) * 1973-06-29 1976-05-07 Thomson Brandt
FR2271590B1 (de) * 1974-01-15 1978-12-01 Thomson Brandt
FR2271617B1 (de) * 1974-05-15 1976-10-15 Thomson Brandt
FR2275841A1 (fr) * 1974-06-21 1976-01-16 Thomson Brandt Support d'information lisible optiquement par transmission et procede de fabrication dudit support
FR2275843A1 (fr) * 1974-06-21 1976-01-16 Thomson Brandt Dispositif de protection permanente d'un disque souple d'enregistrement compatible avec une lecture optique
FR2280150B1 (fr) * 1974-07-26 1977-01-07 Thomson Brandt Dispositif de detection d'ecart de mise au point d'une tete de lecture optique par rapport a une surface de lecture
FR2306495A1 (fr) * 1975-04-04 1976-10-29 Thomson Brandt Systeme de lecture d'un enregistrement par exploration optique ponctuelle d'une piste diffractante
US4079247A (en) * 1975-05-16 1978-03-14 Claude Bricot Optical focussing device
FR2313716A1 (fr) * 1975-06-03 1976-12-31 Thomson Brandt Systeme optique de lecture par reflexion d'un support d'information
FR2321711A1 (fr) * 1975-08-19 1977-03-18 Thomson Brandt Dispositif optique a mise au point automatique et lecteur optique comportant un tel dispositif
FR2325953A1 (fr) * 1975-09-29 1977-04-22 Thomson Brandt Senseur optique de focalisation et dispositif de focalisation comportant un tel senseur
FR2325951A1 (fr) * 1975-09-29 1977-04-22 Thomson Brandt Procede de diminution de bruit optique et dispositif mettant en oeuvre un tel procede
FR2325987A1 (fr) * 1975-09-29 1977-04-22 Thomson Brandt Dispositif de lecture optique d'un enregistrement
FR2358797A1 (fr) * 1976-07-16 1978-02-10 Thomson Brandt Systeme de correction automatique du facteur de forme de l'onde porteuse issue de la lecture d'un support d'information
FR2359476A1 (fr) * 1976-07-23 1978-02-17 Thomson Csf Procede de lecture optique d'un support d'information et lecteur optique mettant en oeuvre un tel procede de lecture
FR2366636A1 (fr) * 1976-10-01 1978-04-28 Thomson Brandt Dispositif d'enregistrement optique d'information sur un support avec asservissement de la position de la tache d'enregistrement sur le support d'information
FR2368779A1 (fr) * 1976-10-22 1978-05-19 Thomson Brandt Support thermosensible destine a l'enregistrement d'information et procede d'enregistrement d'information sur un tel support
FR2389192A1 (fr) * 1977-04-29 1978-11-24 Thomson Csf Systeme optique d'enregistrement-lecture sur bande
FR2396379A1 (fr) * 1977-07-01 1979-01-26 Thomson Brandt Lecteur optique de disque d'information muni d'un dispositif d'acces automatique aux informations
FR2405536A1 (fr) * 1977-10-07 1979-05-04 Thomson Csf Dispositif d'enregistrement-lecture d'une information sur une boucle de ruban magnetique enroule dans une cassette sans fin
FR2429505A1 (fr) * 1978-06-20 1980-01-18 Thomson Csf Systeme d'alimentation periscopique pour antenne bi-gamme
FR2437668A1 (fr) * 1978-09-29 1980-04-25 Thomson Csf Disque optique protege
FR2646245B1 (fr) * 1989-04-25 1991-06-14 Thomson Csf Dispositif de lecture optique pour support d'enregistrement optique
FR2647940B1 (fr) * 1989-06-02 1994-03-04 Thomson Csf Circuit de commande de modulation du champ magnetique pour l'enregistrement d'une memoire magneto-optique
JP2683293B2 (ja) * 1990-06-19 1997-11-26 松下電器産業株式会社 光ヘッド装置
DE69128808T2 (de) * 1990-04-12 1998-07-23 Matsushita Electric Ind Co Ltd Optischer Kopf mit hologrammverbundener Objektivlinse
US5446719A (en) * 1992-02-05 1995-08-29 Sharp Kabushiki Kaisha Optical information reproducing apparatus
JP3021203B2 (ja) * 1992-08-26 2000-03-15 シャープ株式会社 光ピックアップ装置
JP3032635B2 (ja) * 1992-02-05 2000-04-17 シャープ株式会社 光学式情報再生装置
JPH06224406A (ja) * 1993-01-27 1994-08-12 Mitsubishi Electric Corp 光集積回路
DE69426712T2 (de) * 1993-06-02 2001-09-27 Matsushita Electric Industrial Co., Ltd. Optische Kopfvorrichtung und optisches Informationsgerät
JPH0750032A (ja) * 1993-06-02 1995-02-21 Matsushita Electric Ind Co Ltd 光ヘッド装置及び光情報装置
JP3541416B2 (ja) * 1994-03-08 2004-07-14 ソニー株式会社 光学装置
US5544143A (en) * 1994-06-14 1996-08-06 Eastman Kodak Company Read/write laser-detector-grating unit (LDGU) with an orthogonally-arranged focus and tracking sensor system

Also Published As

Publication number Publication date
CA2188006A1 (en) 1997-04-18
FR2739965B1 (fr) 1997-11-07
KR100501785B1 (ko) 2005-10-05
EP0769778B1 (de) 2004-01-14
US5872764A (en) 1999-02-16
DE69631319T2 (de) 2004-11-18
JPH09259457A (ja) 1997-10-03
FR2739965A1 (fr) 1997-04-18
JP3837798B2 (ja) 2006-10-25
KR970023037A (ko) 1997-05-30
EP0769778A1 (de) 1997-04-23

Similar Documents

Publication Publication Date Title
DE69527039D1 (de) Lichtempfindliche vorrichtung
DE69704190D1 (de) Lichtemittierende Vorrichtung
BR9608724A (pt) Adesivo difusor de luz e dispositivo ótico
FR2738343B1 (fr) Dispositif de microstratigraphie optique
DE69719117D1 (de) Optische Vorrichtung
FR2735586B1 (fr) Dispositif optique
DE69621538D1 (de) Optische Vorrichtung
DE69500609D1 (de) Lichtempfangsvorrichtung
DE69225784D1 (de) Faseroptische Beleuchtungseinrichtung und Leuchtensystem
DE69722339D1 (de) Optische Vorrichtung
DE69728708T2 (de) Optische Vorrichtung
DE69738906D1 (de) Optische vorrichtung
DE69713740D1 (de) Optische vorrichtung
DE69734800D1 (de) Faseroptisches Element, lichtempfangendes Element, und Vorrichtung zur Mustererfassung
DE69723776D1 (de) Leuchtemittierende Vorrichtung
DE69634924D1 (de) Bilderzeugungsvorrichtung und Lichtquellengruppe
DE69313033D1 (de) Lichtemittierende Vorrichtung
DE69922303D1 (de) Mehrfachlichtquelle und sie benutzendes optisches System
DE69423022D1 (de) Vorrichtung mit kurzwellenlängiger Lichtquelle
DE69617138D1 (de) Infrarot-Lichtquelle
DE69426058D1 (de) Vorrichtung zur optischen Beleuchtung
DE69830990D1 (de) Optische vorrichtung
DE19781041T1 (de) Optische Vorrichtung
DE69631319D1 (de) Lichtemittierende/-empfangende Vorrichtung und optisches System
FR2724848B3 (fr) Dispositif de luminotherapie

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: THES INVESTMENTS LLC, WILMINGTON, DEL., US

8328 Change in the person/name/address of the agent

Representative=s name: PATENTANWAELTE TERGAU & POHL, 90482 NUERNBERG