FR1263187A - Improvement in proximity devices - Google Patents

Improvement in proximity devices

Info

Publication number
FR1263187A
FR1263187A FR834448A FR834448A FR1263187A FR 1263187 A FR1263187 A FR 1263187A FR 834448 A FR834448 A FR 834448A FR 834448 A FR834448 A FR 834448A FR 1263187 A FR1263187 A FR 1263187A
Authority
FR
France
Prior art keywords
improvement
proximity devices
proximity
devices
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
FR834448A
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.)
Fielden Electronics Ltd
Original Assignee
Fielden Electronics 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 Fielden Electronics Ltd filed Critical Fielden Electronics Ltd
Priority to FR834448A priority Critical patent/FR1263187A/en
Application granted granted Critical
Publication of FR1263187A publication Critical patent/FR1263187A/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
    • G01F23/26—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields
    • G01F23/263—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors
    • G01F23/265—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 variations of capacity or inductance of capacitors or inductors arising from the presence of liquid or fluent solid material in the electric or electromagnetic fields by measuring variations in capacitance of capacitors for discrete levels

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
FR834448A 1960-07-29 1960-07-29 Improvement in proximity devices Expired FR1263187A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR834448A FR1263187A (en) 1960-07-29 1960-07-29 Improvement in proximity devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR834448A FR1263187A (en) 1960-07-29 1960-07-29 Improvement in proximity devices

Publications (1)

Publication Number Publication Date
FR1263187A true FR1263187A (en) 1961-06-05

Family

ID=8736535

Family Applications (1)

Application Number Title Priority Date Filing Date
FR834448A Expired FR1263187A (en) 1960-07-29 1960-07-29 Improvement in proximity devices

Country Status (1)

Country Link
FR (1) FR1263187A (en)

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