CH533831A - Device for detecting a light beam - Google Patents

Device for detecting a light beam

Info

Publication number
CH533831A
CH533831A CH1329771A CH1329771A CH533831A CH 533831 A CH533831 A CH 533831A CH 1329771 A CH1329771 A CH 1329771A CH 1329771 A CH1329771 A CH 1329771A CH 533831 A CH533831 A CH 533831A
Authority
CH
Switzerland
Prior art keywords
detecting
light beam
light
Prior art date
Application number
CH1329771A
Other languages
French (fr)
Inventor
Cornillault Jean
Original Assignee
Cilas
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 Cilas filed Critical Cilas
Publication of CH533831A publication Critical patent/CH533831A/en

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)
CH1329771A 1970-09-23 1971-09-10 Device for detecting a light beam CH533831A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
CH533831A true CH533831A (en) 1973-02-15

Family

ID=9061739

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1329771A CH533831A (en) 1970-09-23 1971-09-10 Device for detecting a light beam

Country Status (7)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2704565A1 (en) * 1977-02-03 1978-08-10 Sick Optik Elektronik Erwin PHOTOELECTRONIC DEVICE
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

Also Published As

Publication number Publication date
DE2144927A1 (en) 1972-03-30
GB1323807A (en) 1973-07-18
LU63942A1 (en) 1972-07-26
FR2106761A5 (en) 1972-05-05
NL7112279A (en) 1972-03-27
BE772499A (en) 1972-03-13

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Legal Events

Date Code Title Description
PL Patent ceased