FR2090567A5 - - Google Patents

Info

Publication number
FR2090567A5
FR2090567A5 FR7114355A FR7114355A FR2090567A5 FR 2090567 A5 FR2090567 A5 FR 2090567A5 FR 7114355 A FR7114355 A FR 7114355A FR 7114355 A FR7114355 A FR 7114355A FR 2090567 A5 FR2090567 A5 FR 2090567A5
Authority
FR
France
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
FR7114355A
Other languages
French (fr)
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.)
JC Eckardt AG
Original Assignee
JC Eckardt 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 JC Eckardt AG filed Critical JC Eckardt AG
Application granted granted Critical
Publication of FR2090567A5 publication Critical patent/FR2090567A5/fr
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
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/56—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects
    • G01F1/58—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using electric or magnetic effects by electromagnetic flowmeters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Volume Flow (AREA)
  • Details Of Flowmeters (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
FR7114355A 1970-04-23 1971-04-22 Expired FR2090567A5 (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2019613A DE2019613C3 (de) 1970-04-23 1970-04-23 Schaltungsanordnung zur Kompensa tion des Einflußes von Schwankungen der Netz Wechselspannung auf das Meßsignal eines mit Netzwechselstrom gespeisten Meßwertgebers

Publications (1)

Publication Number Publication Date
FR2090567A5 true FR2090567A5 (OSRAM) 1972-01-14

Family

ID=5768946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7114355A Expired FR2090567A5 (OSRAM) 1970-04-23 1971-04-22

Country Status (4)

Country Link
US (1) US3764895A (OSRAM)
DE (1) DE2019613C3 (OSRAM)
FR (1) FR2090567A5 (OSRAM)
GB (1) GB1331200A (OSRAM)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2157011A1 (de) * 1971-11-17 1973-05-24 Krauss Maffei Ag Abstandsmessanordnung fuer elektromagnetische trag- oder fuehrungssysteme fuer schwebefahrzeuge
JPS5434863A (en) * 1977-08-24 1979-03-14 Hokushin Electric Works Excitation method of electromagnetic flowmeter
DE2846538A1 (de) 1977-10-31 1979-05-03 Iss Clorius Ltd Waermemesser
EP0596153A1 (de) * 1992-11-06 1994-05-11 TURBO-WERK Messtechnik GmbH Induktiver Durchflussmesser
GB2332526B (en) 1997-12-19 2002-12-31 Abb Kent Taylor Ltd Electromagnetic flowmeter

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2757538A (en) * 1952-04-21 1956-08-07 Vitro Corp Of America Flowmeter signal-balancing means
US2887878A (en) * 1952-05-02 1959-05-26 Foxboro Co Amplifier for an induction flow meter
US3094870A (en) * 1956-12-26 1963-06-25 Mittelmann Eugene Flowmeter

Also Published As

Publication number Publication date
DE2019613A1 (de) 1971-11-11
GB1331200A (en) 1973-09-26
DE2019613B2 (de) 1973-02-22
DE2019613C3 (de) 1973-09-20
US3764895A (en) 1973-10-09

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Legal Events

Date Code Title Description
ST Notification of lapse