FR1490661A - Densitomètre - Google Patents

Densitomètre

Info

Publication number
FR1490661A
FR1490661A FR66300A FR66300A FR1490661A FR 1490661 A FR1490661 A FR 1490661A FR 66300 A FR66300 A FR 66300A FR 66300 A FR66300 A FR 66300A FR 1490661 A FR1490661 A FR 1490661A
Authority
FR
France
Prior art keywords
densitometer
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
FR66300A
Other languages
English (en)
Inventor
Jean Antoine Andre Farre
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.)
Garreau & Cie
Original Assignee
Garreau & Cie
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 Garreau & Cie filed Critical Garreau & Cie
Priority to FR66300A priority Critical patent/FR1490661A/fr
Application granted granted Critical
Publication of FR1490661A publication Critical patent/FR1490661A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
FR66300A 1966-06-21 1966-06-21 Densitomètre Expired FR1490661A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR66300A FR1490661A (fr) 1966-06-21 1966-06-21 Densitomètre

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR66300A FR1490661A (fr) 1966-06-21 1966-06-21 Densitomètre

Publications (1)

Publication Number Publication Date
FR1490661A true FR1490661A (fr) 1967-08-04

Family

ID=8611426

Family Applications (1)

Application Number Title Priority Date Filing Date
FR66300A Expired FR1490661A (fr) 1966-06-21 1966-06-21 Densitomètre

Country Status (1)

Country Link
FR (1) FR1490661A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2089537A5 (fr) * 1970-07-24 1972-01-07 Instrumentation Specialties Co

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2089537A5 (fr) * 1970-07-24 1972-01-07 Instrumentation Specialties Co

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