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GB2076960B - Liquid sensor - Google Patents

Liquid sensor

Info

Publication number
GB2076960B
GB2076960B GB8017502A GB8017502A GB2076960B GB 2076960 B GB2076960 B GB 2076960B GB 8017502 A GB8017502 A GB 8017502A GB 8017502 A GB8017502 A GB 8017502A GB 2076960 B GB2076960 B GB 2076960B
Authority
GB
United Kingdom
Prior art keywords
liquid sensor
sensor
liquid
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
GB8017502A
Other versions
GB2076960A (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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB8017502A priority Critical patent/GB2076960B/en
Publication of GB2076960A publication Critical patent/GB2076960A/en
Application granted granted Critical
Publication of GB2076960B publication Critical patent/GB2076960B/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
    • G01F23/2922—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms
    • G01F23/2925—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means
    • G01F23/2927—Light, e.g. infrared or ultraviolet for discrete levels with light-conducting sensing elements, e.g. prisms using electrical detecting means for several discrete levels, e.g. with more than one light-conducting sensing element

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
GB8017502A 1980-05-29 1980-05-29 Liquid sensor Expired GB2076960B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8017502A GB2076960B (en) 1980-05-29 1980-05-29 Liquid sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8017502A GB2076960B (en) 1980-05-29 1980-05-29 Liquid sensor

Publications (2)

Publication Number Publication Date
GB2076960A GB2076960A (en) 1981-12-09
GB2076960B true GB2076960B (en) 1983-10-26

Family

ID=10513698

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8017502A Expired GB2076960B (en) 1980-05-29 1980-05-29 Liquid sensor

Country Status (1)

Country Link
GB (1) GB2076960B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531530B1 (en) * 1982-08-06 1988-05-27 Fayollet Roland DEVICE FOR THE OPTICAL DETECTION OF A LIQUID LEVEL
DE3235369A1 (en) * 1982-09-24 1984-03-29 Basf Ag, 6700 Ludwigshafen FIBER OPTICAL DOPPLER ANEMOMETER
DE3246340A1 (en) * 1982-12-15 1984-06-20 Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt DEVICE FOR MEASURING AND MONITORING THE LEVEL OF A LIQUID CONTAINER
GB2138947B (en) * 1983-04-14 1986-10-08 Chiltern Glass Fibres Limited Improvements in or relating to a method of control of liquid stock
DE102005016640B4 (en) * 2005-04-11 2012-09-13 Hochschule Niederrhein Fiber optic sensor device
DE102007052796B4 (en) 2007-11-02 2018-10-11 Hochschule Niederrhein Active fiber optic dewing device
WO2024171002A1 (en) * 2023-02-17 2024-08-22 Fisher & Paykel Healthcare Limited A humifidication chamber and system incorporating a humidification chamber

Also Published As

Publication number Publication date
GB2076960A (en) 1981-12-09

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee