JPS4991496A - - Google Patents

Info

Publication number
JPS4991496A
JPS4991496A JP48132514A JP13251473A JPS4991496A JP S4991496 A JPS4991496 A JP S4991496A JP 48132514 A JP48132514 A JP 48132514A JP 13251473 A JP13251473 A JP 13251473A JP S4991496 A JPS4991496 A JP S4991496A
Authority
JP
Japan
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.)
Pending
Application number
JP48132514A
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 JPS4991496A publication Critical patent/JPS4991496A/ja
Pending 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
    • G01F23/30—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 floats
    • G01F23/64—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 floats of the free float type without mechanical transmission elements
    • G01F23/68—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means
    • G01F23/70—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 floats of the free float type without mechanical transmission elements using electrically actuated indicating means for sensing changes in level only at discrete points
    • 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
    • G01F23/24—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 resistance of resistors due to contact with conductor fluid
    • G01F23/241—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 resistance of resistors due to contact with conductor fluid for discrete levels
    • 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)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Thermal Sciences (AREA)
  • Electromagnetism (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Level Indicators Using A Float (AREA)
  • Emergency Alarm Devices (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
JP48132514A 1972-12-21 1973-11-26 Pending JPS4991496A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2262559A DE2262559C3 (de) 1972-12-21 1972-12-21 Nachweisgerät mit Schall-Warnsignalgeber für elektrisch leitfähige und nichtlettfähige Flüssigkeiten

Publications (1)

Publication Number Publication Date
JPS4991496A true JPS4991496A (ja) 1974-08-31

Family

ID=5865023

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48132514A Pending JPS4991496A (ja) 1972-12-21 1973-11-26

Country Status (5)

Country Link
US (1) US3889247A (ja)
JP (1) JPS4991496A (ja)
DE (1) DE2262559C3 (ja)
FR (1) FR2211700B1 (ja)
GB (1) GB1436787A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51108659U (ja) * 1975-02-27 1976-08-31
JPS5217084A (en) * 1975-07-30 1977-02-08 Takaaki Hayashi Oil-water relay
JPS53137895U (ja) * 1977-04-07 1978-10-31

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978463A (en) * 1975-08-04 1976-08-31 General Motors Corporation Oscillator energized liquid level indicator
US4227190A (en) * 1979-02-26 1980-10-07 Kelley Jerry K Water alarm for monitoring floor moisture
US4325060A (en) * 1979-12-17 1982-04-13 Purtell Jack L Floating water detector
US4784645A (en) * 1982-11-04 1988-11-15 The Johns Hopkins University Apparatus for detecting a condition of a medication infusion system and providing an informational signal in response thereto
GB2180939A (en) * 1985-09-25 1987-04-08 Partridge Wilson And Company L Equipment for detecting when the level of a liquid in a container drops below a predetermined level
GB8603866D0 (en) * 1986-02-17 1986-03-26 Webb J A Detecting leakage of liquids from machines
US5196341A (en) * 1986-03-19 1993-03-23 Cmb Foodcan Plc Apparatus for detecting micro-organisms
US4913987A (en) * 1988-09-20 1990-04-03 Dattilo Donald P Universal electrolyte level indicator for wet cell batteries
US5091715A (en) * 1990-01-08 1992-02-25 Murphy Anthony J Leak detection and alarm system
GB2248939B (en) * 1990-09-13 1994-08-31 Pump International Limited Switch for an automatic pump
GB2253703A (en) * 1991-03-14 1992-09-16 Issam Moh D Ahmed Wadi Electronic liquid level sensing device
US5661462A (en) * 1996-05-06 1997-08-26 Shrewsbury-Gee; Christopher Bath overflow alarm
US7383727B2 (en) 1999-05-20 2008-06-10 Seiko Epson Corporation Liquid cotainer having a liquid consumption detecting device therein
MY131891A (en) * 2000-05-18 2007-09-28 Seiko Epson Corp Mounting structure, module, and liquid container
CN101143515B (zh) 2000-05-18 2011-08-31 精工爱普生株式会社 检测墨水消耗的方法和装置
US7137679B2 (en) 2000-05-18 2006-11-21 Seiko Epson Corporation Ink consumption detecting method, and ink jet recording apparatus
DE60137839D1 (de) * 2000-05-18 2009-04-16 Seiko Epson Corp Verfahren zur detektion des tintenverbrauchs und tintenstrahlaufzeichnungsvorrichtung
EP1679196B1 (en) * 2000-06-15 2008-05-07 Seiko Epson Corporation Liquid charging method, liquid container, and method for manufacturing the same
US7008034B2 (en) 2000-07-07 2006-03-07 Seiko Epson Corporation Liquid container, ink-jet recording apparatus, device and method for controlling the apparatus, liquid consumption sensing device and method
EP1176403A3 (en) 2000-07-28 2003-03-19 Seiko Epson Corporation Detector of liquid consumption condition
US6690281B2 (en) * 2000-12-18 2004-02-10 Joseph A. Palmer Water detector and alarm
US7096522B2 (en) * 2002-12-06 2006-08-29 Hirtriter R Eric Bath overflow alarm suitable for different installation arrangements
US7191647B2 (en) * 2003-10-30 2007-03-20 Perkinelmer Las, Inc. Method and apparatus to reject electrical interference in a capacitive liquid level sensor system
US20060049953A1 (en) * 2004-09-07 2006-03-09 Chin-Lai Su Container having photo-audio effect
US20110056289A1 (en) * 2009-09-07 2011-03-10 Senghaas Karl A Floatless Rain Gauge
DE102010027324B4 (de) * 2010-07-16 2019-04-18 Volker Thielmann Füllstandsanzeige

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1443357A (en) * 1921-08-04 1923-01-30 Gardner Benjamin Fulton Audible sound instrument
US3432843A (en) * 1966-01-20 1969-03-11 Jensen Ind Inc Signal means
DE1929881A1 (de) * 1968-06-17 1969-12-18 Paolo Spadini Akustischer Generator
US3636544A (en) * 1970-01-19 1972-01-18 Jorge G Codina Alarm
US3732556A (en) * 1971-06-25 1973-05-08 N Caprillo Swimming pool alarm system
US3781840A (en) * 1972-06-02 1973-12-25 Gen Electric Instrument for guiding the blind in filling open-top vessels

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51108659U (ja) * 1975-02-27 1976-08-31
JPS5217084A (en) * 1975-07-30 1977-02-08 Takaaki Hayashi Oil-water relay
JPS53137895U (ja) * 1977-04-07 1978-10-31

Also Published As

Publication number Publication date
DE2262559A1 (de) 1974-07-11
FR2211700A1 (ja) 1974-07-19
US3889247A (en) 1975-06-10
DE2262559B2 (de) 1975-04-10
DE2262559C3 (de) 1975-11-13
GB1436787A (en) 1976-05-26
FR2211700B1 (ja) 1977-06-24

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