FR2106761A5 - - Google Patents

Info

Publication number
FR2106761A5
FR2106761A5 FR7034466A FR7034466A FR2106761A5 FR 2106761 A5 FR2106761 A5 FR 2106761A5 FR 7034466 A FR7034466 A FR 7034466A FR 7034466 A FR7034466 A FR 7034466A FR 2106761 A5 FR2106761 A5 FR 2106761A5
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
FR7034466A
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.)
Compagnie Industriel des Lasers CILAS SA
Original Assignee
Compagnie Industriel des Lasers CILAS 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 Compagnie Industriel des Lasers CILAS SA filed Critical Compagnie Industriel des Lasers CILAS SA
Priority to FR7034466A priority Critical patent/FR2106761A5/fr
Priority to NL7112279A priority patent/NL7112279A/xx
Priority to DE19712144927 priority patent/DE2144927A1/de
Priority to CH1329771A priority patent/CH533831A/fr
Priority to BE772499A priority patent/BE772499A/fr
Priority to LU63942D priority patent/LU63942A1/xx
Priority to GB4432871A priority patent/GB1323807A/en
Application granted granted Critical
Publication of FR2106761A5 publication Critical patent/FR2106761A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4228—Photometry, e.g. photographic exposure meter using electric radiation detectors arrangements with two or more detectors, e.g. for sensitivity compensation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Lasers (AREA)
FR7034466A 1970-09-23 1970-09-23 Expired FR2106761A5 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR7034466A FR2106761A5 (fr) 1970-09-23 1970-09-23
NL7112279A NL7112279A (fr) 1970-09-23 1971-09-07
DE19712144927 DE2144927A1 (de) 1970-09-23 1971-09-08 Vorrichtung zur Detektion eines Lichtbündels
CH1329771A CH533831A (fr) 1970-09-23 1971-09-10 Dispositif de détection d'un faisceau lumineux
BE772499A BE772499A (fr) 1970-09-23 1971-09-13 Systeme de detection d'un faisceau lumineux
LU63942D LU63942A1 (fr) 1970-09-23 1971-09-23
GB4432871A GB1323807A (en) 1970-09-23 1971-09-23 Light beam detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7034466A FR2106761A5 (fr) 1970-09-23 1970-09-23

Publications (1)

Publication Number Publication Date
FR2106761A5 true FR2106761A5 (fr) 1972-05-05

Family

ID=9061739

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7034466A Expired FR2106761A5 (fr) 1970-09-23 1970-09-23

Country Status (7)

Country Link
BE (1) BE772499A (fr)
CH (1) CH533831A (fr)
DE (1) DE2144927A1 (fr)
FR (1) FR2106761A5 (fr)
GB (1) GB1323807A (fr)
LU (1) LU63942A1 (fr)
NL (1) NL7112279A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379825A1 (fr) * 1977-02-03 1978-09-01 Sick Optik Elektronik Erwin Appareil photo-electronique a transducteur d'utilisation et transducteur auxiliaire, notamment pour barrieres de securite

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010110A1 (fr) * 1978-10-25 1980-04-30 Ituo Shibata Dispositif pour signaler un défaut
EP3261131B1 (fr) * 2016-06-21 2022-06-22 Nokia Technologies Oy Appareil de détection de rayonnement électromagnétique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379825A1 (fr) * 1977-02-03 1978-09-01 Sick Optik Elektronik Erwin Appareil photo-electronique a transducteur d'utilisation et transducteur auxiliaire, notamment pour barrieres de securite

Also Published As

Publication number Publication date
BE772499A (fr) 1972-03-13
CH533831A (fr) 1973-02-15
DE2144927A1 (de) 1972-03-30
LU63942A1 (fr) 1972-07-26
NL7112279A (fr) 1972-03-27
GB1323807A (en) 1973-07-18

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Legal Events

Date Code Title Description
ST Notification of lapse