GB1257310A - - Google Patents

Info

Publication number
GB1257310A
GB1257310A GB1257310DA GB1257310A GB 1257310 A GB1257310 A GB 1257310A GB 1257310D A GB1257310D A GB 1257310DA GB 1257310 A GB1257310 A GB 1257310A
Authority
GB
United Kingdom
Prior art keywords
hole
april
reflecting surface
level indication
liquid level
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
English (en)
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 GB1257310A publication Critical patent/GB1257310A/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
    • G01F23/284—Electromagnetic waves
    • G01F23/292—Light, e.g. infrared or ultraviolet
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0091—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means
    • G01L9/0097—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means using photoelectric means

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Light Guides In General And Applications Therefor (AREA)
GB1257310D 1968-04-25 1968-04-25 Expired GB1257310A (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1970968 1968-04-25

Publications (1)

Publication Number Publication Date
GB1257310A true GB1257310A (nl) 1971-12-15

Family

ID=10133896

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1257310D Expired GB1257310A (nl) 1968-04-25 1968-04-25

Country Status (1)

Country Link
GB (1) GB1257310A (nl)

Similar Documents

Publication Publication Date Title
GB1528445A (en) Tilt limit detecting apparatus
BE812779A (fr) Appareil optique de visee a dispositif de generation d'un repere de visee.
GB1223769A (en) A device for an outside display of the level of a liquid contained within a tank, particularly for inflammable liquids
FR94338E (fr) Procédé et dispositif pour la mise an point automatique de systemes optiques.
BE756799A (fr) Dispositif de controle d'un niveau de liquide
BE751781A (fr) Dispositif de convergence pour tube a raxons cathodiques a faisceaux multiples alignes ou analogues
GB1001771A (en) Improvements in or relating to the illumination of levelling bubbles
BE762028A (fr) Dispositif d'amelioration des qualites optiques d'un faisceau laser
GB1172152A (en) Liquid Level Indicators
NO741068L (no) Optisk glassfiber samt fremgangsmåte for å belegge en slik fiber med et plastbelegg.
GB1127811A (en) Improvements in or relating to sight gauges
JPS5342093A (en) Tester for glass bottle
GB1257310A (nl)
JPS5252664A (en) Detector for liquid level
FR2373485A1 (fr) Dispositif de detection de corps etrangers dans des bouteilles en verre
FR1448906A (fr) Dispositif électro-luminescent apte à indiquer en permanence l'inclinaison d'un plan oscillant ou basculant par rapport à un plan horizontal de référence
FR2421367A1 (fr) Telemetre opto-electronique
CH502188A (fr) Dispositif scripteur à jet de liquide
CH555039A (de) Optisches vermessungsinstrument mit skalenbeleuchtungseinrichtung.
CH513416A (fr) Dispositif télémétrique pour un instrument optique
GB1285201A (en) Bottle inspection apparatus
BE772007A (fr) Dispositif de pulverisation automatique et periodique d'un liquide souspression
GB1172202A (en) Liquid Level Indicators
FR95880E (fr) Dispositif destiné a l'indication optique de données.
CH557545A (de) Optisches instrument mit einem fluessigkeitsspiegel.

Legal Events

Date Code Title Description
CSNS Application of which complete specification have been accepted and published, but patent is not sealed