DD278865A1 - Schaltanordnung zum betreiben eines universell anwendbaren sensors - Google Patents

Schaltanordnung zum betreiben eines universell anwendbaren sensors Download PDF

Info

Publication number
DD278865A1
DD278865A1 DD88324205A DD32420588A DD278865A1 DD 278865 A1 DD278865 A1 DD 278865A1 DD 88324205 A DD88324205 A DD 88324205A DD 32420588 A DD32420588 A DD 32420588A DD 278865 A1 DD278865 A1 DD 278865A1
Authority
DD
German Democratic Republic
Prior art keywords
antenna
impedance
generator
real part
operating
Prior art date
Application number
DD88324205A
Other languages
German (de)
English (en)
Inventor
Wilfried Kretschmer
Original Assignee
Nagema Veb K
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 Veb K filed Critical Nagema Veb K
Priority to DD88324205A priority Critical patent/DD278865A1/de
Priority to DE3938409A priority patent/DE3938409A1/de
Priority to IT04867889A priority patent/IT1237258B/it
Publication of DD278865A1 publication Critical patent/DD278865A1/de

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)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Radar Systems Or Details Thereof (AREA)
DD88324205A 1988-12-28 1988-12-28 Schaltanordnung zum betreiben eines universell anwendbaren sensors DD278865A1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DD88324205A DD278865A1 (de) 1988-12-28 1988-12-28 Schaltanordnung zum betreiben eines universell anwendbaren sensors
DE3938409A DE3938409A1 (de) 1988-12-28 1989-11-18 Schaltungsanordnung zum betreiben eines universell anwendbaren sensors
IT04867889A IT1237258B (it) 1988-12-28 1989-12-20 Disposizione circuitale per far funzionare un sensore impiegabile in modo universale.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD88324205A DD278865A1 (de) 1988-12-28 1988-12-28 Schaltanordnung zum betreiben eines universell anwendbaren sensors

Publications (1)

Publication Number Publication Date
DD278865A1 true DD278865A1 (de) 1990-05-16

Family

ID=5605937

Family Applications (1)

Application Number Title Priority Date Filing Date
DD88324205A DD278865A1 (de) 1988-12-28 1988-12-28 Schaltanordnung zum betreiben eines universell anwendbaren sensors

Country Status (3)

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

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 (ko) * 2002-12-09 2005-09-27 손덕수 전송선을 이용한 자동차 연료 게이지
DE102009060742A1 (de) * 2009-12-30 2011-07-07 NEGELE Messtechnik GmbH, 87743 Einrichtung zum Erkennen eines Pegelstandes
DE102019008010B3 (de) * 2019-11-18 2021-02-18 Baumer Electric Ag Sensorsystem und Verfahren zur Erfassung eines Pegelstandes eines Mediums

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3106832C2 (de) * 1981-02-24 1984-09-06 Vilém 8000 München Klir Mikrowellenstreifenleitungs-Schaltungseinheit für Bewegungsmelder nach dem Doppler-Radarprinzip
JPS5811840A (ja) * 1981-07-15 1983-01-22 Hitachi Ltd マイクロ波アルコ−ル燃料センサ
DD243102A1 (de) * 1985-12-02 1987-02-18 Nagema Veb K Einrichtung zur pruefung von flaschen

Also Published As

Publication number Publication date
IT8948678A0 (it) 1989-12-20
IT8948678A1 (it) 1991-06-20
IT1237258B (it) 1993-05-27
DE3938409A1 (de) 1990-07-05

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