FR922455A - Photomètre différentiel - Google Patents

Photomètre différentiel

Info

Publication number
FR922455A
FR922455A FR922455DA FR922455A FR 922455 A FR922455 A FR 922455A FR 922455D A FR922455D A FR 922455DA FR 922455 A FR922455 A FR 922455A
Authority
FR
France
Prior art keywords
photometer
differential
differential 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 FR922455A publication Critical patent/FR922455A/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)
FR922455D 1946-02-15 1946-02-15 Photomètre différentiel Expired FR922455A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922455T 1946-02-15

Publications (1)

Publication Number Publication Date
FR922455A true FR922455A (fr) 1947-06-10

Family

ID=9438019

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922455D Expired FR922455A (fr) 1946-02-15 1946-02-15 Photomètre différentiel

Country Status (1)

Country Link
FR (1) FR922455A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177757A (en) * 1960-03-29 1965-04-13 American Optical Corp Method of performing reflective oximetry

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3177757A (en) * 1960-03-29 1965-04-13 American Optical Corp Method of performing reflective oximetry

Similar Documents

Publication Publication Date Title
FR944310A (fr) Brûleurs
FR922455A (fr) Photomètre différentiel
FR923564A (fr) Landau-berceau
AT174006B (de) Firngleiter
FR936550A (fr) Bidon
FI22920A (fi) Blekning av cellulosamaterial
FR929262A (fr) Strapontin
FR937668A (fr) Pelleteuse-déchargeuse
ES13448Y (es) Alpargata-bota
ES13495Y (es) Alpargata
ES13627Y (es) Caja-envase
AT177570B (de) Episkop
FI21620A (fi) Radialslipmaskin
FI21409A (fi) Blekningsmetod
FI21616A (fi) Skumsläckningshandspruta
FI21606A (fi) Blandningskran
FI21594A (fi) Trädskalningsaggregat
FI21579A (fi) Befordringsanordning
FI21575A (fi) Elektriskt säkringselement
FI21560A (fi) Suksiside
FI21559A (fi) Suksiside
FI21557A (fi) Kardmaskin
FI21553A (fi) Regellås
FI21548A (fi) Trycksmörjspruta
FI21546A (fi) Lockfågel