IT8948678A0 - CIRCUIT ARRANGEMENT TO OPERATE A UNIVERSALLY USABLE SENSOR - Google Patents

CIRCUIT ARRANGEMENT TO OPERATE A UNIVERSALLY USABLE SENSOR

Info

Publication number
IT8948678A0
IT8948678A0 IT48678A IT4867889A IT8948678A0 IT 8948678 A0 IT8948678 A0 IT 8948678A0 IT 48678 A IT48678 A IT 48678A IT 4867889 A IT4867889 A IT 4867889A IT 8948678 A0 IT8948678 A0 IT 8948678A0
Authority
IT
Italy
Prior art keywords
operate
circuit arrangement
universally usable
usable sensor
sensor
Prior art date
Application number
IT48678A
Other languages
Italian (it)
Other versions
IT1237258B (en
Inventor
Wilfried Kretschmer
Original Assignee
Nagema 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 Nagema Ag filed Critical Nagema Ag
Publication of IT8948678A0 publication Critical patent/IT8948678A0/en
Application granted granted Critical
Publication of IT1237258B publication Critical patent/IT1237258B/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/38—Impedance-matching networks
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/14—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage
    • G01D5/20—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying inductance, e.g. by a movable armature
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
IT04867889A 1988-12-28 1989-12-20 CIRCUITABLE ARRANGEMENT TO OPERATE A SENSOR THAT CAN BE USED UNIVERSALLY. IT1237258B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD88324205A DD278865A1 (en) 1988-12-28 1988-12-28 SWITCHING ARRANGEMENT FOR OPERATING A UNIVERSALLY APPLICABLE SENSOR

Publications (2)

Publication Number Publication Date
IT8948678A0 true IT8948678A0 (en) 1989-12-20
IT1237258B IT1237258B (en) 1993-05-27

Family

ID=5605937

Family Applications (1)

Application Number Title Priority Date Filing Date
IT04867889A IT1237258B (en) 1988-12-28 1989-12-20 CIRCUITABLE ARRANGEMENT TO OPERATE A SENSOR THAT CAN BE USED UNIVERSALLY.

Country Status (3)

Country Link
DD (1) DD278865A1 (en)
DE (1) DE3938409A1 (en)
IT (1) IT1237258B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2260235B (en) * 1991-09-26 1995-07-12 Schlumberger Ind Ltd Measurement of liquid level
KR100517305B1 (en) * 2002-12-09 2005-09-27 손덕수 Fuel Gauge For Car Vehicle using The Transmission Line
DE102009060742A1 (en) * 2009-12-30 2011-07-07 NEGELE Messtechnik GmbH, 87743 Device for detecting a water level
DE102019008010B3 (en) * 2019-11-18 2021-02-18 Baumer Electric Ag Sensor system and method for detecting the level of a medium

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106832C2 (en) * 1981-02-24 1984-09-06 Vilém 8000 München Klir Microwave stripline circuit unit for motion detectors based on the Doppler radar principle
JPS5811840A (en) * 1981-07-15 1983-01-22 Hitachi Ltd Microwave alcohol fuel sensor
DD243102A1 (en) * 1985-12-02 1987-02-18 Nagema Veb K DEVICE FOR TESTING BOTTLES

Also Published As

Publication number Publication date
DD278865A1 (en) 1990-05-16
DE3938409A1 (en) 1990-07-05
IT1237258B (en) 1993-05-27

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Legal Events

Date Code Title Description
0001 Granted