DE2144927A1 - Vorrichtung zur Detektion eines Lichtbündels - Google Patents

Vorrichtung zur Detektion eines Lichtbündels

Info

Publication number
DE2144927A1
DE2144927A1 DE19712144927 DE2144927A DE2144927A1 DE 2144927 A1 DE2144927 A1 DE 2144927A1 DE 19712144927 DE19712144927 DE 19712144927 DE 2144927 A DE2144927 A DE 2144927A DE 2144927 A1 DE2144927 A1 DE 2144927A1
Authority
DE
Germany
Prior art keywords
detector
light
photocell
sensitive
light beam
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.)
Pending
Application number
DE19712144927
Other languages
German (de)
English (en)
Inventor
Jean Nozay Essonne Cornillault (Frankreich)
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.)
SIE IND DES LASERS
Original Assignee
SIE IND DES LASERS
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 SIE IND DES LASERS filed Critical SIE IND DES LASERS
Publication of DE2144927A1 publication Critical patent/DE2144927A1/de
Pending 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)
DE19712144927 1970-09-23 1971-09-08 Vorrichtung zur Detektion eines Lichtbündels Pending DE2144927A1 (de)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
DE2144927A1 true DE2144927A1 (de) 1972-03-30

Family

ID=9061739

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712144927 Pending DE2144927A1 (de) 1970-09-23 1971-09-08 Vorrichtung zur Detektion eines Lichtbündels

Country Status (7)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388528A (en) 1977-02-03 1983-06-14 Erwin Sick Gesellschaft-Optik-Elektronik Photoelectronic apparatus

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0010110A1 (en) * 1978-10-25 1980-04-30 Ituo Shibata Defect detecting device
EP3261131B1 (en) * 2016-06-21 2022-06-22 Nokia Technologies Oy An apparatus for sensing electromagnetic radiation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4388528A (en) 1977-02-03 1983-06-14 Erwin Sick Gesellschaft-Optik-Elektronik Photoelectronic apparatus

Also Published As

Publication number Publication date
LU63942A1 (enrdf_load_stackoverflow) 1972-07-26
GB1323807A (en) 1973-07-18
NL7112279A (enrdf_load_stackoverflow) 1972-03-27
BE772499A (fr) 1972-03-13
CH533831A (fr) 1973-02-15
FR2106761A5 (enrdf_load_stackoverflow) 1972-05-05

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