BE670977A - - Google Patents

Info

Publication number
BE670977A
BE670977A BE670977DA BE670977A BE 670977 A BE670977 A BE 670977A BE 670977D A BE670977D A BE 670977DA BE 670977 A BE670977 A BE 670977A
Authority
BE
Belgium
Application number
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
Publication of BE670977A publication Critical patent/BE670977A/xx

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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G01F23/2928—Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface
    • 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
    • G01F23/0007—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 for discrete indicating and measuring
    • 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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L7/00—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements
    • G01L7/18—Measuring the steady or quasi-steady pressure of a fluid or a fluent solid material by mechanical or fluid pressure-sensitive elements using liquid as the pressure-sensitive medium, e.g. liquid-column gauges
BE670977D 1964-10-29 1965-10-15 BE670977A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR993123A FR1422196A (fr) 1964-10-29 1964-10-29 Procédé et dispositif pour le repérage très précis de la position d'un objet

Publications (1)

Publication Number Publication Date
BE670977A true BE670977A (xx) 1966-04-15

Family

ID=8841344

Family Applications (1)

Application Number Title Priority Date Filing Date
BE670977D BE670977A (xx) 1964-10-29 1965-10-15

Country Status (8)

Country Link
US (1) US3511572A (xx)
BE (1) BE670977A (xx)
CH (1) CH449981A (xx)
DE (1) DE1498180A1 (xx)
ES (1) ES319003A1 (xx)
FR (1) FR1422196A (xx)
GB (1) GB1111859A (xx)
NL (1) NL6514042A (xx)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4373815A (en) * 1981-01-05 1983-02-15 Marathon Oil Company Method and apparatus for measuring leaks in liquid storage vessels
US4604092A (en) * 1983-04-11 1986-08-05 The Kendall Company Liquid drainage system with vertical movable light emitter and detector
US4644790A (en) * 1985-04-01 1987-02-24 Sharp Kabushiki Kaisha Liquid level indicator for humidifier
US5073720A (en) * 1990-07-30 1991-12-17 The United States Of America As Represented By The Secretary Of The Navy Liquid level and volume measurement device
EP0687891B1 (en) * 1994-06-13 1999-05-06 Daishowa Seiki Co., Ltd. Level detector
GB2307043A (en) * 1995-11-07 1997-05-14 Boehringer Ingelheim Ltd Liquid level determination
US6448574B1 (en) 2000-03-14 2002-09-10 Dade Behring Inc. Method and apparatus for determining liquid levels in a liquid sample container
EP1715304A1 (en) * 2005-04-18 2006-10-25 Agilent Technologies, Inc. Fluid level detection by reflecting a beam at a meniscus
DE102006001668A1 (de) * 2006-01-12 2007-07-26 Siemens Ag Verfahren und Vorrichtung zur berührungslosen Füllstandskontrolle
DE102010052870A1 (de) * 2010-12-01 2012-06-06 Baumer Innotec Ag Füllstandserkennung
FR2998957B1 (fr) * 2012-11-30 2019-05-31 Centre National De La Recherche Scientifique Inclinometre longue base a mesure optique
US10107665B2 (en) * 2016-01-09 2018-10-23 David R. Hall Toilet with flush jet fill tube flow meter

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1605014A (en) * 1921-05-31 1926-11-02 Pneumercator Company Reading indicator for manometers
US1959537A (en) * 1930-08-18 1934-05-22 Zeiss Carl Fa Instrument for determining the diameter of bodies with curved surfaces
US2418786A (en) * 1943-10-16 1947-04-08 Francis H Nadig Hydraulic interferometer
US2369798A (en) * 1944-07-31 1945-02-20 Diamond Power Speciality Water gauge
US2937234A (en) * 1953-07-03 1960-05-17 Bailey Meter Co Television apparatus
US2948186A (en) * 1956-11-14 1960-08-09 James M Kendall Precision micromanometer
GB1086932A (en) * 1963-05-13 1967-10-11 Elliott Brothers London Ltd Improvements relating to apparatus for controlling or measuring fluid pressures

Also Published As

Publication number Publication date
ES319003A1 (es) 1966-04-16
GB1111859A (en) 1968-05-01
DE1498180A1 (de) 1969-02-06
NL6514042A (xx) 1966-05-02
CH449981A (fr) 1968-01-15
FR1422196A (fr) 1965-12-24
US3511572A (en) 1970-05-12

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