FR2359476B1 - - Google Patents

Info

Publication number
FR2359476B1
FR2359476B1 FR7622622A FR7622622A FR2359476B1 FR 2359476 B1 FR2359476 B1 FR 2359476B1 FR 7622622 A FR7622622 A FR 7622622A FR 7622622 A FR7622622 A FR 7622622A FR 2359476 B1 FR2359476 B1 FR 2359476B1
Authority
FR
France
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
Application number
FR7622622A
Other versions
FR2359476A1 (fr
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Priority to FR7622622A priority Critical patent/FR2359476A1/fr
Priority to US05/817,010 priority patent/US4171879A/en
Priority to GB30563/77A priority patent/GB1560976A/en
Priority to PL1977199801A priority patent/PL115951B1/pl
Priority to SU772505402A priority patent/SU822773A3/ru
Priority to DE19772733209 priority patent/DE2733209A1/de
Priority to CA283,394A priority patent/CA1104716A/fr
Priority to CS774900A priority patent/CS223956B2/cs
Priority to JP8748177A priority patent/JPS5315104A/ja
Publication of FR2359476A1 publication Critical patent/FR2359476A1/fr
Application granted granted Critical
Publication of FR2359476B1 publication Critical patent/FR2359476B1/fr
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
    • G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Recording Or Reproduction (AREA)
  • Optical Head (AREA)
  • Optical Record Carriers And Manufacture Thereof (AREA)
FR7622622A 1976-07-23 1976-07-23 Procede de lecture optique d'un support d'information et lecteur optique mettant en oeuvre un tel procede de lecture Granted FR2359476A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7622622A FR2359476A1 (fr) 1976-07-23 1976-07-23 Procede de lecture optique d'un support d'information et lecteur optique mettant en oeuvre un tel procede de lecture
US05/817,010 US4171879A (en) 1976-07-23 1977-07-19 Optical disc reader having diffraction minima at non-interrogated tracks
GB30563/77A GB1560976A (en) 1976-07-23 1977-07-20 Method for the optical reading of an information support and optical reading device employing said reading method
PL1977199801A PL115951B1 (en) 1976-07-23 1977-07-21 Method and reader designed to read out optical information carrier
SU772505402A SU822773A3 (ru) 1976-07-23 1977-07-22 Устройство дл воспроизведени с носител ОпТичЕСКОй зАпиСи
DE19772733209 DE2733209A1 (de) 1976-07-23 1977-07-22 Verfahren und leser zum optischen lesen eines informationstraegers
CA283,394A CA1104716A (fr) 1976-07-23 1977-07-22 Lecteur optique de disques, avec minima de diffraction a l'endroit des pistes a sauter
CS774900A CS223956B2 (en) 1976-07-23 1977-07-22 Method of optical recording of information
JP8748177A JPS5315104A (en) 1976-07-23 1977-07-22 Method and device for optically reading information

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7622622A FR2359476A1 (fr) 1976-07-23 1976-07-23 Procede de lecture optique d'un support d'information et lecteur optique mettant en oeuvre un tel procede de lecture

Publications (2)

Publication Number Publication Date
FR2359476A1 FR2359476A1 (fr) 1978-02-17
FR2359476B1 true FR2359476B1 (fr) 1978-12-22

Family

ID=9176095

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7622622A Granted FR2359476A1 (fr) 1976-07-23 1976-07-23 Procede de lecture optique d'un support d'information et lecteur optique mettant en oeuvre un tel procede de lecture

Country Status (9)

Country Link
US (1) US4171879A (fr)
JP (1) JPS5315104A (fr)
CA (1) CA1104716A (fr)
CS (1) CS223956B2 (fr)
DE (1) DE2733209A1 (fr)
FR (1) FR2359476A1 (fr)
GB (1) GB1560976A (fr)
PL (1) PL115951B1 (fr)
SU (1) SU822773A3 (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56126747A (en) * 1980-03-12 1981-10-05 Hitachi Ltd Inspecting method for flaw, alien substance and the like on surface of sample and device therefor
US4349901A (en) * 1980-06-20 1982-09-14 Eastman Kodak Company Apparatus and method for reading optical discs
JPS5797261U (fr) * 1980-12-05 1982-06-15
NL8103505A (nl) * 1981-07-24 1983-02-16 Philips Nv Inrichting voor het puntsgewijs aftasten van een voorwerp.
NL8104946A (nl) * 1981-11-02 1983-06-01 Philips Nv Inrichting voor het uitlezen en/of inschrijven van een optisch uitleesbare informatiestructuur op een registratiedrager.
JPS58121147A (ja) * 1982-01-11 1983-07-19 Olympus Optical Co Ltd 光学的情報記録再生装置
DE3776945D1 (de) * 1986-04-18 1992-04-09 Mitsubishi Electric Corp Optischer kopf.
JP3063805B2 (ja) * 1991-02-25 2000-07-12 オリンパス光学工業株式会社 光学式情報再生装置および記録媒体
FR2723243B1 (fr) * 1994-07-26 1996-09-06 Thomson Csf Dispositif d'enregistrement et/ou de lecture de tetes magnetiques et son procede de realisation
FR2739965B1 (fr) * 1995-10-17 1997-11-07 Thomson Csf Dispositif emetteur-recepteur de lumiere et systeme de lecture optique
KR100354534B1 (ko) 1998-03-17 2002-12-11 삼성전자 주식회사 협트랙광디스크를위한광픽업
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
WO2006094279A1 (fr) 2005-03-01 2006-09-08 Masimo Laboratories, Inc. Interconnexion de capteur a longueurs d'onde multiples
US8374665B2 (en) 2007-04-21 2013-02-12 Cercacor Laboratories, Inc. Tissue profile wellness monitor

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2266932B1 (fr) * 1973-03-02 1977-09-02 Thomson Brandt
FR2235448B1 (fr) * 1973-06-29 1976-05-07 Thomson Brandt
US3983317A (en) * 1974-12-09 1976-09-28 Teletype Corporation Astigmatizer for laser recording and reproducing system
US4065786A (en) * 1975-09-30 1977-12-27 Rca Corporation Videodisc playback system

Also Published As

Publication number Publication date
CA1104716A (fr) 1981-07-07
SU822773A3 (ru) 1981-04-15
JPS6128172B2 (fr) 1986-06-28
PL199801A1 (pl) 1978-04-10
JPS5315104A (en) 1978-02-10
US4171879A (en) 1979-10-23
CS223956B2 (en) 1983-11-25
FR2359476A1 (fr) 1978-02-17
DE2733209A1 (de) 1978-02-09
PL115951B1 (en) 1981-05-30
GB1560976A (en) 1980-02-13

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