IT1084816B - Dispositivo elettrico per l'ottenimento di un'indicazione di una grandezza di misura - Google Patents

Dispositivo elettrico per l'ottenimento di un'indicazione di una grandezza di misura

Info

Publication number
IT1084816B
IT1084816B IT22071/77A IT2207177A IT1084816B IT 1084816 B IT1084816 B IT 1084816B IT 22071/77 A IT22071/77 A IT 22071/77A IT 2207177 A IT2207177 A IT 2207177A IT 1084816 B IT1084816 B IT 1084816B
Authority
IT
Italy
Prior art keywords
indication
obtaining
measurement
size
electric device
Prior art date
Application number
IT22071/77A
Other languages
English (en)
Original Assignee
Volkswagenwerk Ag
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 Volkswagenwerk Ag filed Critical Volkswagenwerk Ag
Application granted granted Critical
Publication of IT1084816B publication Critical patent/IT1084816B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R13/00—Arrangements for displaying electric variables or waveforms
    • G01R13/40—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect
    • G01R13/404—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values
    • G01R13/405—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs
    • G01R13/406—Arrangements for displaying electric variables or waveforms using modulation of a light beam otherwise than by mechanical displacement, e.g. by Kerr effect for discontinuous display, i.e. display of discrete values using a plurality of active, i.e. light emitting, e.g. electro-luminescent elements, i.e. bar graphs representing measured value by a dot or a single line
    • 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
    • G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Indicating Measured Values (AREA)
IT22071/77A 1976-04-06 1977-04-04 Dispositivo elettrico per l'ottenimento di un'indicazione di una grandezza di misura IT1084816B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19762614712 DE2614712A1 (de) 1976-04-06 1976-04-06 Anordnung zur gewinnung einer anzeige einer messgroesse

Publications (1)

Publication Number Publication Date
IT1084816B true IT1084816B (it) 1985-05-28

Family

ID=5974506

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22071/77A IT1084816B (it) 1976-04-06 1977-04-04 Dispositivo elettrico per l'ottenimento di un'indicazione di una grandezza di misura

Country Status (4)

Country Link
US (1) US4086812A (it)
DE (1) DE2614712A1 (it)
FR (1) FR2347657A1 (it)
IT (1) IT1084816B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250750A (en) * 1979-10-09 1981-02-17 Ford Motor Company Liquid level measuring system
DE3214439A1 (de) * 1982-04-20 1983-10-20 Brown, Boveri & Cie Ag, 6800 Mannheim Linientestgeraet
JPS59119126A (ja) * 1982-12-24 1984-07-10 Toshiba Corp 加湿器
US4553400A (en) * 1984-05-04 1985-11-19 Kysor Industrial Corporation Refrigeration monitor and alarm system
US4612775A (en) * 1984-05-04 1986-09-23 Kysor Industrial Corporation Refrigeration monitor and alarm system
US4571998A (en) * 1984-07-18 1986-02-25 Kevin Stegner In-ground tank measuring system
JPH0241544Y2 (it) * 1985-08-13 1990-11-06
US4635668A (en) * 1985-09-13 1987-01-13 Netter Aaron J Automatic water line freeze control
US4854723A (en) * 1987-11-18 1989-08-08 Her Fwu Long Full-range temperature indicator device and circuitry
BR9604234A (pt) * 1995-10-20 1998-05-26 Alberto Nicanor Schroeder Dispositivo eletrônico indicador de aceleração e desaceleração para veículos
CA2415207A1 (en) * 2002-12-27 2004-06-27 Yi-Chia Liao Electronic water temperature measuring apparatus
EP2295991B1 (de) 2009-09-07 2017-08-02 VEGA Grieshaber KG Balkendiagrammanzeigevorrichtung
US11802756B2 (en) 2020-08-18 2023-10-31 Steven R. Weeres Ice thickness transducer

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1027976A (en) * 1963-12-12 1966-05-04 Albano Inico Armando An indicating tachometer for vehicles with igniting lamps arranged to correspond to the dial reading
FR2116632A5 (it) * 1970-12-01 1972-07-21 Peugeot & Renault
US3796951A (en) * 1971-06-28 1974-03-12 Fmc Corp Solid state electronic gauge
US3918035A (en) * 1971-10-25 1975-11-04 Philips Corp Quantity level gauge
DE2158788C3 (de) * 1971-11-26 1975-06-05 Messerschmitt-Boelkow-Blohm Gmbh, 8000 Muenchen Optische Anzeigevorrichtung für ein Kraftfahrzeug
US3765006A (en) * 1972-02-22 1973-10-09 Yashica Co Ltd Level detection circuit
US3953806A (en) * 1973-01-12 1976-04-27 Bose Corporation Displaying amplifier output amplitude

Also Published As

Publication number Publication date
DE2614712A1 (de) 1977-10-27
FR2347657A1 (fr) 1977-11-04
US4086812A (en) 1978-05-02

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