GB1331200A - Electrical compensation circuit arrangements - Google Patents

Electrical compensation circuit arrangements

Info

Publication number
GB1331200A
GB1331200A GB985471*[A GB985471A GB1331200A GB 1331200 A GB1331200 A GB 1331200A GB 985471 A GB985471 A GB 985471A GB 1331200 A GB1331200 A GB 1331200A
Authority
GB
United Kingdom
Prior art keywords
voltage
mains
amplifier
arrangement
fed
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
GB985471*[A
Other languages
English (en)
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
Publication of GB1331200A publication Critical patent/GB1331200A/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
    • 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)
GB985471*[A 1970-04-23 1971-04-19 Electrical compensation circuit arrangements Expired GB1331200A (en)

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
GB1331200A true GB1331200A (en) 1973-09-26

Family

ID=5768946

Family Applications (1)

Application Number Title Priority Date Filing Date
GB985471*[A Expired GB1331200A (en) 1970-04-23 1971-04-19 Electrical compensation circuit arrangements

Country Status (4)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250747A (en) 1977-10-31 1981-02-17 Iss Clorius Limited Heat meters
GB2332526A (en) * 1997-12-19 1999-06-23 Abb Kent Taylor Ltd Electromagnetic flowmeter

Families Citing this family (3)

* 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
EP0596153A1 (de) * 1992-11-06 1994-05-11 TURBO-WERK Messtechnik GmbH Induktiver Durchflussmesser

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

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4250747A (en) 1977-10-31 1981-02-17 Iss Clorius Limited Heat meters
GB2332526A (en) * 1997-12-19 1999-06-23 Abb Kent Taylor Ltd Electromagnetic flowmeter
US6256590B1 (en) 1997-12-19 2001-07-03 Abb Instrumentation Limited Electromagnetic flowmeter
GB2332526B (en) * 1997-12-19 2002-12-31 Abb Kent Taylor Ltd Electromagnetic flowmeter

Also Published As

Publication number Publication date
DE2019613A1 (de) 1971-11-11
FR2090567A5 (enExample) 1972-01-14
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
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees