DE1773094B2 - Schneefall-Warneinrichtung - Google Patents

Schneefall-Warneinrichtung

Info

Publication number
DE1773094B2
DE1773094B2 DE1773094A DE1773094A DE1773094B2 DE 1773094 B2 DE1773094 B2 DE 1773094B2 DE 1773094 A DE1773094 A DE 1773094A DE 1773094 A DE1773094 A DE 1773094A DE 1773094 B2 DE1773094 B2 DE 1773094B2
Authority
DE
Germany
Prior art keywords
adjustable
height
photocell
light barrier
snow
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.)
Granted
Application number
DE1773094A
Other languages
German (de)
English (en)
Other versions
DE1773094C3 (https=
DE1773094A1 (de
Inventor
Denis Troistorrents Wallis Rossier (Schweiz)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of DE1773094A1 publication Critical patent/DE1773094A1/de
Publication of DE1773094B2 publication Critical patent/DE1773094B2/de
Application granted granted Critical
Publication of DE1773094C3 publication Critical patent/DE1773094C3/de
Granted 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 SYSTEMS, e.g. PERSONAL 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)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Atmospheric Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Thermal Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Emergency Alarm Devices (AREA)
DE1773094A 1967-04-17 1968-03-30 Schneefall-Warneinrichtung Granted DE1773094B2 (de)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE1773094A1 DE1773094A1 (de) 1971-09-23
DE1773094B2 true DE1773094B2 (de) 1974-03-21
DE1773094C3 DE1773094C3 (https=) 1974-10-24

Family

ID=4293498

Family Applications (1)

Application Number Title Priority Date Filing Date
DE1773094A Granted DE1773094B2 (de) 1967-04-17 1968-03-30 Schneefall-Warneinrichtung

Country Status (11)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084390A3 (en) * 1982-01-15 1984-10-17 Boschung Mecatronic Ag Process and device to measure the thickness of a layer of snow
AT378856B (de) * 1983-12-06 1985-10-10 Stephan Wurmboeck Schneefallwarneinrichtung

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (https=) * 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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0084390A3 (en) * 1982-01-15 1984-10-17 Boschung Mecatronic Ag Process and device to measure the thickness of a layer of snow
AT378856B (de) * 1983-12-06 1985-10-10 Stephan Wurmboeck Schneefallwarneinrichtung

Also Published As

Publication number Publication date
DK117934B (da) 1970-06-15
US3530453A (en) 1970-09-22
GB1185413A (en) 1970-03-25
BE712886A (https=) 1968-07-31
FR1558214A (https=) 1969-02-21
SE330787B (https=) 1970-11-30
AT278598B (de) 1970-02-10
CH439789A (de) 1967-07-15
DE1773094C3 (https=) 1974-10-24
CS153008B2 (https=) 1974-02-22
DE1773094A1 (de) 1971-09-23
JPS4946273B1 (https=) 1974-12-09

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee