FR981636A - Method and apparatus for controlling the content of opaque impurities in a fluid - Google Patents

Method and apparatus for controlling the content of opaque impurities in a fluid

Info

Publication number
FR981636A
FR981636A FR981636DA FR981636A FR 981636 A FR981636 A FR 981636A FR 981636D A FR981636D A FR 981636DA FR 981636 A FR981636 A FR 981636A
Authority
FR
France
Prior art keywords
fluid
controlling
content
opaque
impurities
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)
Inventor
Marcel Pauthenier
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 FR981636A publication Critical patent/FR981636A/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
    • G01J1/10—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
FR981636D 1949-01-05 1949-01-05 Method and apparatus for controlling the content of opaque impurities in a fluid Expired FR981636A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR981636T 1949-01-05

Publications (1)

Publication Number Publication Date
FR981636A true FR981636A (en) 1951-05-29

Family

ID=9534429

Family Applications (1)

Application Number Title Priority Date Filing Date
FR981636D Expired FR981636A (en) 1949-01-05 1949-01-05 Method and apparatus for controlling the content of opaque impurities in a fluid

Country Status (1)

Country Link
FR (1) FR981636A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691737A (en) * 1951-12-18 1954-10-12 Gen Power Plant Corp Apparatus for determining and recording the dust content of flue gas
DE3038009A1 (en) * 1979-11-29 1982-04-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Release device for switch operating handle - uses sliding vertical bar to allow spindle to be removed for repair without rotation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2691737A (en) * 1951-12-18 1954-10-12 Gen Power Plant Corp Apparatus for determining and recording the dust content of flue gas
DE3038009A1 (en) * 1979-11-29 1982-04-22 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Release device for switch operating handle - uses sliding vertical bar to allow spindle to be removed for repair without rotation

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