FR1168955A - Optical concentration device for photometry - Google Patents

Optical concentration device for photometry

Info

Publication number
FR1168955A
FR1168955A FR1168955DA FR1168955A FR 1168955 A FR1168955 A FR 1168955A FR 1168955D A FR1168955D A FR 1168955DA FR 1168955 A FR1168955 A FR 1168955A
Authority
FR
France
Prior art keywords
photometry
concentration device
optical concentration
optical
concentration
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
Application number
Other languages
French (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.)
Voigtlander AG
Original Assignee
Voigtlander AG
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 Voigtlander AG filed Critical Voigtlander AG
Application granted granted Critical
Publication of FR1168955A publication Critical patent/FR1168955A/en
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
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/4209—Photoelectric exposure meters for determining the exposure time in recording or reproducing
    • 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
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR1168955D 1955-12-03 1956-12-03 Optical concentration device for photometry Expired FR1168955A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1168955X 1955-12-03

Publications (1)

Publication Number Publication Date
FR1168955A true FR1168955A (en) 1958-12-19

Family

ID=7729143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1168955D Expired FR1168955A (en) 1955-12-03 1956-12-03 Optical concentration device for photometry

Country Status (1)

Country Link
FR (1) FR1168955A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658007A1 (en) * 1990-02-08 1991-08-09 Ouest Centre Tech Apave Radiometric assembly for safety monitoring of lasers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658007A1 (en) * 1990-02-08 1991-08-09 Ouest Centre Tech Apave Radiometric assembly for safety monitoring of lasers

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