GB1185413A - Snowfall Alarm. - Google Patents

Snowfall Alarm.

Info

Publication number
GB1185413A
GB1185413A GB06011/68A GB1601168A GB1185413A GB 1185413 A GB1185413 A GB 1185413A GB 06011/68 A GB06011/68 A GB 06011/68A GB 1601168 A GB1601168 A GB 1601168A GB 1185413 A GB1185413 A GB 1185413A
Authority
GB
United Kingdom
Prior art keywords
light
snowfall
alarm
source
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.)
Expired
Application number
GB06011/68A
Other languages
English (en)
Inventor
Denis Rossier
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 GB1185413A publication Critical patent/GB1185413A/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
    • 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)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Ecology (AREA)
  • Environmental Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Thermal Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (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)
GB06011/68A 1967-04-17 1968-04-03 Snowfall Alarm. Expired GB1185413A (en)

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
GB1185413A true GB1185413A (en) 1970-03-25

Family

ID=4293498

Family Applications (1)

Application Number Title Priority Date Filing Date
GB06011/68A Expired GB1185413A (en) 1967-04-17 1968-04-03 Snowfall Alarm.

Country Status (11)

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

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655572B (enExample) * 1982-01-15 1986-04-30
DE3344088A1 (de) * 1983-12-06 1984-04-19 Rainer 8000 München Kuhnt Schneewarngeraet
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 (enExample) * 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 (enExample) 1970-11-30
DK117934B (da) 1970-06-15
DE1773094C3 (enExample) 1974-10-24
US3530453A (en) 1970-09-22
FR1558214A (enExample) 1969-02-21
JPS4946273B1 (enExample) 1974-12-09
CH439789A (de) 1967-07-15
DE1773094A1 (de) 1971-09-23
AT278598B (de) 1970-02-10
BE712886A (enExample) 1968-07-31
DE1773094B2 (de) 1974-03-21
CS153008B2 (enExample) 1974-02-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees