JPS4946273B1 - - Google Patents

Info

Publication number
JPS4946273B1
JPS4946273B1 JP43025468A JP2546868A JPS4946273B1 JP S4946273 B1 JPS4946273 B1 JP S4946273B1 JP 43025468 A JP43025468 A JP 43025468A JP 2546868 A JP2546868 A JP 2546868A JP S4946273 B1 JPS4946273 B1 JP S4946273B1
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
JP43025468A
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 JPS4946273B1 publication Critical patent/JPS4946273B1/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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01W—METEOROLOGY
    • G01W1/00—Meteorology
    • G01W1/14—Rainfall or precipitation gauges
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
JP43025468A 1967-04-17 1968-04-17 Pending JPS4946273B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH543367A CH439789A (de) 1967-04-17 1967-04-17 Schneefall-Warneinrichtung

Publications (1)

Publication Number Publication Date
JPS4946273B1 true JPS4946273B1 (ja) 1974-12-09

Family

ID=4293498

Family Applications (1)

Application Number Title Priority Date Filing Date
JP43025468A Pending JPS4946273B1 (ja) 1967-04-17 1968-04-17

Country Status (11)

Country Link
US (1) US3530453A (ja)
JP (1) JPS4946273B1 (ja)
AT (1) AT278598B (ja)
BE (1) BE712886A (ja)
CH (1) CH439789A (ja)
CS (1) CS153008B2 (ja)
DE (1) DE1773094B2 (ja)
DK (1) DK117934B (ja)
FR (1) FR1558214A (ja)
GB (1) GB1185413A (ja)
SE (1) SE330787B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6454215U (ja) * 1987-09-28 1989-04-04

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655572B (ja) * 1982-01-15 1986-04-30
FR2602341A1 (fr) * 1986-08-04 1988-02-05 Fortoul Raymond Dispositif d'alerte et/ou de reveil a temps en cas de chute de neige
US4904894A (en) * 1989-01-24 1990-02-27 Pennwalt Corporation Hail sensor
AT520076B1 (de) * 2017-11-20 2019-01-15 Peter Bucher Ing Vorrichtung zur Detektion einer kritischen Menge Neuschnee

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2091303A (en) * 1931-03-09 1937-08-31 Diamond Power Speciality Indicating and control mechanism
FR1232470A (fr) * 1959-04-22 1960-10-10 Indicateur continu de niveaux de produits liquides ou solides dans un récipient

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6454215U (ja) * 1987-09-28 1989-04-04

Also Published As

Publication number Publication date
CH439789A (de) 1967-07-15
US3530453A (en) 1970-09-22
BE712886A (ja) 1968-07-31
AT278598B (de) 1970-02-10
SE330787B (ja) 1970-11-30
DK117934B (da) 1970-06-15
GB1185413A (en) 1970-03-25
CS153008B2 (ja) 1974-02-22
FR1558214A (ja) 1969-02-21
DE1773094B2 (de) 1974-03-21
DE1773094A1 (de) 1971-09-23
DE1773094C3 (ja) 1974-10-24

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