FR1253492A - Perfectionnements aux appareils électriques de mesure ou de contrôle - Google Patents

Perfectionnements aux appareils électriques de mesure ou de contrôle

Info

Publication number
FR1253492A
FR1253492A FR821387A FR821387A FR1253492A FR 1253492 A FR1253492 A FR 1253492A FR 821387 A FR821387 A FR 821387A FR 821387 A FR821387 A FR 821387A FR 1253492 A FR1253492 A FR 1253492A
Authority
FR
France
Prior art keywords
control devices
electrical measuring
measuring
electrical
devices
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
FR821387A
Other languages
English (en)
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.)
Ohmart Corp
Original Assignee
Ohmart Corp
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
Priority to DEO7284A priority Critical patent/DE1189288B/de
Application filed by Ohmart Corp filed Critical Ohmart Corp
Priority to FR821387A priority patent/FR1253492A/fr
Application granted granted Critical
Publication of FR1253492A publication Critical patent/FR1253492A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
    • G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
    • G01B15/025—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness by measuring absorption
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/04—Accumulators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/06—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption
    • G01N23/12—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and measuring the absorption the material being a flowing fluid or a flowing granular solid
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
    • G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Electromagnetism (AREA)
  • Health & Medical Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
FR821387A 1960-03-11 1960-03-15 Perfectionnements aux appareils électriques de mesure ou de contrôle Expired FR1253492A (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DEO7284A DE1189288B (de) 1960-03-11 1960-03-11 Vorrichtung zum Messen der Dicke oder Dichte von zwischen einer radioaktiven Strahlungsquelle und einem Ionendetektor liegenden Absorberschichten
FR821387A FR1253492A (fr) 1960-03-15 1960-03-15 Perfectionnements aux appareils électriques de mesure ou de contrôle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR821387A FR1253492A (fr) 1960-03-15 1960-03-15 Perfectionnements aux appareils électriques de mesure ou de contrôle

Publications (1)

Publication Number Publication Date
FR1253492A true FR1253492A (fr) 1961-02-10

Family

ID=8727143

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821387A Expired FR1253492A (fr) 1960-03-11 1960-03-15 Perfectionnements aux appareils électriques de mesure ou de contrôle

Country Status (1)

Country Link
FR (1) FR1253492A (fr)

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