FR925985A - Photomètre à température de couleur - Google Patents

Photomètre à température de couleur

Info

Publication number
FR925985A
FR925985A FR925985DA FR925985A FR 925985 A FR925985 A FR 925985A FR 925985D A FR925985D A FR 925985DA FR 925985 A FR925985 A FR 925985A
Authority
FR
France
Prior art keywords
photometer
color temperature
color
temperature
temperature photometer
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
English (en)
Inventor
Dimitri Issaiewitch-Rebikoff
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 filed Critical
Application granted granted Critical
Publication of FR925985A publication Critical patent/FR925985A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
FR925985D 1946-04-24 1946-04-24 Photomètre à température de couleur Expired FR925985A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR925985T 1946-04-24

Publications (1)

Publication Number Publication Date
FR925985A true FR925985A (fr) 1947-09-18

Family

ID=9440339

Family Applications (1)

Application Number Title Priority Date Filing Date
FR925985D Expired FR925985A (fr) 1946-04-24 1946-04-24 Photomètre à température de couleur

Country Status (1)

Country Link
FR (1) FR925985A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674154A (en) * 1949-05-21 1954-04-06 Photo Res Corp Photometric device
US2694956A (en) * 1950-08-29 1954-11-23 Rebikoff Dimitri Issaiewitch Photoelectric colorimeter
US2703035A (en) * 1951-08-07 1955-03-01 Weka Ag Light measuring apparatus
US2728265A (en) * 1952-05-07 1955-12-27 Gen Electric Photoelectric measuring instrument
US2744200A (en) * 1952-03-07 1956-05-01 Gen Electric Multiple masked photocell structure

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674154A (en) * 1949-05-21 1954-04-06 Photo Res Corp Photometric device
US2694956A (en) * 1950-08-29 1954-11-23 Rebikoff Dimitri Issaiewitch Photoelectric colorimeter
US2703035A (en) * 1951-08-07 1955-03-01 Weka Ag Light measuring apparatus
US2744200A (en) * 1952-03-07 1956-05-01 Gen Electric Multiple masked photocell structure
US2728265A (en) * 1952-05-07 1955-12-27 Gen Electric Photoelectric measuring instrument

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