JPS5214984B1 - - Google Patents

Info

Publication number
JPS5214984B1
JPS5214984B1 JP47043571A JP4357172A JPS5214984B1 JP S5214984 B1 JPS5214984 B1 JP S5214984B1 JP 47043571 A JP47043571 A JP 47043571A JP 4357172 A JP4357172 A JP 4357172A JP S5214984 B1 JPS5214984 B1 JP S5214984B1
Authority
JP
Japan
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.)
Pending
Application number
JP47043571A
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 filed Critical
Publication of JPS5214984B1 publication Critical patent/JPS5214984B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • 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
    • G01F1/05—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 mechanical effects
    • G01F1/34—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 mechanical effects by measuring pressure or differential pressure
    • G01F1/36—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
    • G01F1/363—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 mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction with electrical or electro-mechanical indication
    • 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
    • G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
    • G01F1/86—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure
    • G01F1/88—Indirect mass flowmeters, e.g. measuring volume flow and density, temperature or pressure with differential-pressure measurement to determine the volume flow
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/163—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division using a variable impedance controlled by one of the input signals, variable amplification or transfer function
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/20—Arrangements for performing computing operations, e.g. operational amplifiers for evaluating powers, roots, polynomes, mean square values, standard deviation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/48—Analogue computers for specific processes, systems or devices, e.g. simulators
    • G06G7/57—Analogue computers for specific processes, systems or devices, e.g. simulators for fluid flow ; for distribution networks
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06J—HYBRID COMPUTING ARRANGEMENTS
    • G06J1/00—Hybrid computing arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Evolutionary Computation (AREA)
  • Fuzzy Systems (AREA)
  • Measuring Volume Flow (AREA)
  • Amplifiers (AREA)
  • Measuring Fluid Pressure (AREA)
JP47043571A 1971-07-08 1972-05-01 Pending JPS5214984B1 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16075071A 1971-07-08 1971-07-08

Publications (1)

Publication Number Publication Date
JPS5214984B1 true JPS5214984B1 (ja) 1977-04-26

Family

ID=22578272

Family Applications (1)

Application Number Title Priority Date Filing Date
JP47043571A Pending JPS5214984B1 (ja) 1971-07-08 1972-05-01

Country Status (9)

Country Link
US (1) US3732406A (ja)
JP (1) JPS5214984B1 (ja)
CA (1) CA980906A (ja)
CH (1) CH571216A5 (ja)
DE (1) DE2232544A1 (ja)
FR (1) FR2145346A5 (ja)
GB (2) GB1383057A (ja)
IT (1) IT956883B (ja)
NL (1) NL7209561A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53136569U (ja) * 1977-04-01 1978-10-28

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4071777A (en) * 1976-07-06 1978-01-31 Rca Corporation Four-quadrant multiplier
US4238965A (en) * 1978-09-15 1980-12-16 Action Instruments Company, Inc. Two wire flow rate transmitter
US4216673A (en) * 1979-02-07 1980-08-12 International Telephone And Telegraph Corporation Fluid property detection system
DE3765482D1 (de) * 1986-07-23 1990-11-15 Siemens Ag Einrichtung zum messen des massenstromes in einem rohr.
GB2368398A (en) * 2000-09-27 2002-05-01 Blease Medical Equipment Ltd Apparatus and method for measuring fluid flow
ATE460772T1 (de) * 2005-04-19 2010-03-15 Alcatel Lucent Analog-multiplizierer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3061197A (en) * 1957-05-20 1962-10-30 Stodola Edwin King Automatic temperature relation control systems
US3096434A (en) * 1961-11-28 1963-07-02 Daniel Orifice Fitting Company Multiple integration flow computer
US3218445A (en) * 1962-01-29 1965-11-16 Phillips Petroleum Co Signal multiplier where one signal to be multiplied causes a member to deform
US3300630A (en) * 1963-01-23 1967-01-24 Raymond G Hartenstein Electromechanical analog multiplier which includes a semiconductor bridge circuit
US3532869A (en) * 1968-11-14 1970-10-06 Itt Multiplier including two resistance bridges

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53136569U (ja) * 1977-04-01 1978-10-28

Also Published As

Publication number Publication date
GB1383057A (en) 1975-02-05
DE2232544A1 (de) 1973-01-18
NL7209561A (ja) 1973-01-10
GB1383056A (en) 1975-02-05
CA980906A (en) 1975-12-30
IT956883B (it) 1973-10-10
FR2145346A5 (ja) 1973-02-16
CH571216A5 (ja) 1975-12-31
US3732406A (en) 1973-05-08

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