GB1369089A - Frequency to voltage converter - Google Patents

Frequency to voltage converter

Info

Publication number
GB1369089A
GB1369089A GB70573A GB70573A GB1369089A GB 1369089 A GB1369089 A GB 1369089A GB 70573 A GB70573 A GB 70573A GB 70573 A GB70573 A GB 70573A GB 1369089 A GB1369089 A GB 1369089A
Authority
GB
United Kingdom
Prior art keywords
pulses
pulse train
frequency
amplitude
circuit
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
GB70573A
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.)
Elsag Bailey Inc
Original Assignee
Bailey Meter Co
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 Bailey Meter Co filed Critical Bailey Meter Co
Publication of GB1369089A publication Critical patent/GB1369089A/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
    • G01F1/60—Circuits therefor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/065—Indicating or recording devices with transmission devices, e.g. mechanical
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
    • G01F15/06—Indicating or recording devices
    • G01F15/068—Indicating or recording devices with electrical means

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Measuring Volume Flow (AREA)
GB70573A 1970-09-11 1971-09-09 Frequency to voltage converter Expired GB1369089A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US7150870A 1970-09-11 1970-09-11

Publications (1)

Publication Number Publication Date
GB1369089A true GB1369089A (en) 1974-10-02

Family

ID=22101769

Family Applications (4)

Application Number Title Priority Date Filing Date
GB70573A Expired GB1369089A (en) 1970-09-11 1971-09-09 Frequency to voltage converter
GB70473A Expired GB1369088A (en) 1970-09-11 1971-09-09 Electromagnetic flowmeter system
GB4217771A Expired GB1369087A (en) 1970-09-11 1971-09-09 Electromagnetic flowmeter measuring system
GB70673A Expired GB1369090A (en) 1970-09-11 1971-09-09 System for comparing the relative magnitudes of two dc signals

Family Applications After (3)

Application Number Title Priority Date Filing Date
GB70473A Expired GB1369088A (en) 1970-09-11 1971-09-09 Electromagnetic flowmeter system
GB4217771A Expired GB1369087A (en) 1970-09-11 1971-09-09 Electromagnetic flowmeter measuring system
GB70673A Expired GB1369090A (en) 1970-09-11 1971-09-09 System for comparing the relative magnitudes of two dc signals

Country Status (4)

Country Link
US (1) US3707675A (enExample)
CA (1) CA942383A (enExample)
FR (1) FR2106449B1 (enExample)
GB (4) GB1369089A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4035720A (en) * 1975-12-31 1977-07-12 Harvey Philip C Ion gauge system
DE2619971C3 (de) * 1976-05-06 1983-03-17 Turbo-Werk Fritz Hammelrath, 5000 Köln Induktiver Durchflußmesser
DE2756873C2 (de) * 1977-12-20 1987-01-15 Fischer & Porter GmbH, 3400 Göttingen Vorrichtung zur Messung der Stromstärke eines fließenden Mediums
US4679151A (en) * 1982-07-20 1987-07-07 Lucas Industries Public Limited Company Control for a limiting device
JPH0394121A (ja) * 1989-09-07 1991-04-18 Toshiba Corp 電磁流量計
US6633154B1 (en) * 2000-01-04 2003-10-14 William B. Duff, Jr. Method and circuit for using polarized device in AC applications
US8434371B2 (en) 2010-10-14 2013-05-07 Brickhouse Innovations, Llc Electromagnetic fluid velocity sensor with adjustable electrodes
JP5458221B2 (ja) * 2010-11-19 2014-04-02 アズビル株式会社 電磁流量計
DE102015120103B4 (de) * 2015-11-19 2018-09-13 Krohne Ag Verfahren zur Durchflussmessung durch ein magnetisch-induktives Durchflussmessgerät

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1364252A (fr) * 1962-06-05 1964-06-19 Totalisateur intégrateur
US3362221A (en) * 1964-06-30 1968-01-09 Hays Corp Magnetic flow transmitter system
GB1224162A (en) * 1967-01-10 1971-03-03 English Electric Co Ltd Improvements in power meters

Also Published As

Publication number Publication date
FR2106449A1 (enExample) 1972-05-05
US3707675A (en) 1972-12-26
GB1369088A (en) 1974-10-02
FR2106449B1 (enExample) 1975-04-18
GB1369090A (en) 1974-10-02
CA942383A (en) 1974-02-19
GB1369087A (en) 1974-10-02

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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