FR923089A - Improvements to transmitters for measuring device - Google Patents

Improvements to transmitters for measuring device

Info

Publication number
FR923089A
FR923089A FR923089DA FR923089A FR 923089 A FR923089 A FR 923089A FR 923089D A FR923089D A FR 923089DA FR 923089 A FR923089 A FR 923089A
Authority
FR
France
Prior art keywords
transmitters
measuring device
measuring
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)
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.)
Liquidometer Corp
Original Assignee
Liquidometer 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
Application filed by Liquidometer Corp filed Critical Liquidometer Corp
Application granted granted Critical
Publication of FR923089A publication Critical patent/FR923089A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/296—Acoustic waves
    • G01F23/2966—Acoustic waves making use of acoustical resonance or standing waves

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR923089D 1945-09-08 1946-03-02 Improvements to transmitters for measuring device Expired FR923089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US923089XA 1945-09-08 1945-09-08

Publications (1)

Publication Number Publication Date
FR923089A true FR923089A (en) 1947-06-26

Family

ID=22232630

Family Applications (1)

Application Number Title Priority Date Filing Date
FR923089D Expired FR923089A (en) 1945-09-08 1946-03-02 Improvements to transmitters for measuring device

Country Status (1)

Country Link
FR (1) FR923089A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079422A1 (en) * 1981-10-29 1983-05-25 Edo Western Corporation Method and apparatus for detecting the presence of liquid

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0079422A1 (en) * 1981-10-29 1983-05-25 Edo Western Corporation Method and apparatus for detecting the presence of liquid

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