DK117934B - Snefald-alarmapparat. - Google Patents

Snefald-alarmapparat.

Info

Publication number
DK117934B
DK117934B DK166868AA DK166868A DK117934B DK 117934 B DK117934 B DK 117934B DK 166868A A DK166868A A DK 166868AA DK 166868 A DK166868 A DK 166868A DK 117934 B DK117934 B DK 117934B
Authority
DK
Denmark
Prior art keywords
alarm device
snowfall
snowfall alarm
alarm
Prior art date
Application number
DK166868AA
Other languages
English (en)
Inventor
D Rossier
Original Assignee
D Rossier
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 D Rossier filed Critical D Rossier
Publication of DK117934B publication Critical patent/DK117934B/da

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Thermal Sciences (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Emergency Alarm Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
DK166868AA 1967-04-17 1968-04-16 Snefald-alarmapparat. DK117934B (da)

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
DK117934B true DK117934B (da) 1970-06-15

Family

ID=4293498

Family Applications (1)

Application Number Title Priority Date Filing Date
DK166868AA DK117934B (da) 1967-04-17 1968-04-16 Snefald-alarmapparat.

Country Status (11)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655572B (da) * 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
JPS6454215U (da) * 1987-09-28 1989-04-04
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

Also Published As

Publication number Publication date
SE330787B (da) 1970-11-30
CH439789A (de) 1967-07-15
US3530453A (en) 1970-09-22
FR1558214A (da) 1969-02-21
DE1773094A1 (de) 1971-09-23
JPS4946273B1 (da) 1974-12-09
GB1185413A (en) 1970-03-25
BE712886A (da) 1968-07-31
AT278598B (de) 1970-02-10
DE1773094C3 (da) 1974-10-24
CS153008B2 (da) 1974-02-22
DE1773094B2 (de) 1974-03-21

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