GB1030205A - Improvements relating to measuring or indicating apparatus - Google Patents

Improvements relating to measuring or indicating apparatus

Info

Publication number
GB1030205A
GB1030205A GB1604663A GB1604663A GB1030205A GB 1030205 A GB1030205 A GB 1030205A GB 1604663 A GB1604663 A GB 1604663A GB 1604663 A GB1604663 A GB 1604663A GB 1030205 A GB1030205 A GB 1030205A
Authority
GB
United Kingdom
Prior art keywords
measuring
improvements relating
indicating apparatus
indicating
relating
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
GB1604663A
Inventor
Jack Edward Pateman
Jan Jablonski
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.)
Allard Way Holdings Ltd
Original Assignee
Elliott Brothers London Ltd
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 Elliott Brothers London Ltd filed Critical Elliott Brothers London Ltd
Priority to GB1604663A priority Critical patent/GB1030205A/en
Publication of GB1030205A publication Critical patent/GB1030205A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
GB1604663A 1963-04-23 1963-04-23 Improvements relating to measuring or indicating apparatus Expired GB1030205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1604663A GB1030205A (en) 1963-04-23 1963-04-23 Improvements relating to measuring or indicating apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1604663A GB1030205A (en) 1963-04-23 1963-04-23 Improvements relating to measuring or indicating apparatus

Publications (1)

Publication Number Publication Date
GB1030205A true GB1030205A (en) 1966-05-18

Family

ID=10070155

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1604663A Expired GB1030205A (en) 1963-04-23 1963-04-23 Improvements relating to measuring or indicating apparatus

Country Status (1)

Country Link
GB (1) GB1030205A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252438A (en) * 1977-06-18 1981-02-24 Gesellschaft Fur Strahlen- Und Umweltforschung Mbh, Munchen Measurement of relative movement between two phases
US4456378A (en) * 1981-12-21 1984-06-26 North American Philips Corporation Optical position sensor
GB2151774A (en) * 1983-12-16 1985-07-24 Atomic Energy Authority Uk Measuring displacement
GB2159620A (en) * 1984-05-29 1985-12-04 Norman Barrie Jones Photoelectric pressure transducer without elastic diaphragm
GB2237377A (en) * 1989-08-23 1991-05-01 Hoover Plc Liquid level transducer
EP0952433A1 (en) * 1998-04-22 1999-10-27 Stöckert Instrumente GmbH Fluid level sensing system for a blood reservoir

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4252438A (en) * 1977-06-18 1981-02-24 Gesellschaft Fur Strahlen- Und Umweltforschung Mbh, Munchen Measurement of relative movement between two phases
US4456378A (en) * 1981-12-21 1984-06-26 North American Philips Corporation Optical position sensor
GB2151774A (en) * 1983-12-16 1985-07-24 Atomic Energy Authority Uk Measuring displacement
GB2159620A (en) * 1984-05-29 1985-12-04 Norman Barrie Jones Photoelectric pressure transducer without elastic diaphragm
GB2237377A (en) * 1989-08-23 1991-05-01 Hoover Plc Liquid level transducer
EP0952433A1 (en) * 1998-04-22 1999-10-27 Stöckert Instrumente GmbH Fluid level sensing system for a blood reservoir

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