GB1240493A - Improvements in or relating to signal transmitting devices - Google Patents

Improvements in or relating to signal transmitting devices

Info

Publication number
GB1240493A
GB1240493A GB3994868A GB3994868A GB1240493A GB 1240493 A GB1240493 A GB 1240493A GB 3994868 A GB3994868 A GB 3994868A GB 3994868 A GB3994868 A GB 3994868A GB 1240493 A GB1240493 A GB 1240493A
Authority
GB
United Kingdom
Prior art keywords
current
bridge
voltage
output
input
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
GB3994868A
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.)
Emerson Process Management Ltd
Original Assignee
Rosemount Engineering Co Ltd
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 Rosemount Engineering Co Ltd filed Critical Rosemount Engineering Co Ltd
Publication of GB1240493A publication Critical patent/GB1240493A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00Electric signal transmission systems
    • G08C19/02Electric signal transmission systems in which the signal transmitted is magnitude of current or voltage
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L1/00Measuring force or stress, in general
    • G01L1/20Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225Measuring circuits therefor
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/04Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Amplifiers (AREA)
GB3994868A 1967-08-21 1968-08-21 Improvements in or relating to signal transmitting devices Expired GB1240493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US66198867A 1967-08-21 1967-08-21

Publications (1)

Publication Number Publication Date
GB1240493A true GB1240493A (en) 1971-07-28

Family

ID=24655935

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3994868A Expired GB1240493A (en) 1967-08-21 1968-08-21 Improvements in or relating to signal transmitting devices

Country Status (8)

Country Link
JP (1) JPS4942936B1 (nl)
CA (1) CA939758A (nl)
CH (1) CH495598A (nl)
DE (1) DE1766959B2 (nl)
FR (1) FR1588247A (nl)
GB (1) GB1240493A (nl)
NL (1) NL164408C (nl)
SE (1) SE369638B (nl)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843563A (nl) * 1971-10-05 1973-06-23

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3248754A1 (de) * 1982-12-31 1984-07-12 bso Steuerungstechnik GmbH, 6603 Sulzbach Schaltungsanordnung
DE4411805B4 (de) * 1994-04-06 2008-08-28 Michael Riedel Transformatorenbau Elektronik Gmbh Stromsteller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4843563A (nl) * 1971-10-05 1973-06-23
JPS5411715B2 (nl) * 1971-10-05 1979-05-17

Also Published As

Publication number Publication date
NL164408B (nl) 1980-07-15
FR1588247A (nl) 1970-04-10
CH495598A (fr) 1970-08-31
DE1766959B2 (de) 1973-12-20
CA939758A (en) 1974-01-08
NL164408C (nl) 1980-12-15
DE1766959A1 (de) 1971-09-23
NL6811844A (nl) 1969-02-25
JPS4942936B1 (nl) 1974-11-18
SE369638B (nl) 1974-09-09

Similar Documents

Publication Publication Date Title
US3898554A (en) Measured-value transducer with a compensating bridge circuit
US3517556A (en) Resistive-type temperature-to-current transducer
US3503261A (en) Resistance to current converter
US3988928A (en) Device for measuring and/or monitoring the flow velocity of a flowing fluid
GB1423263A (en) Signal transmitters for connection by two wires to a load and supply source
US3967188A (en) Temperature compensation circuit for sensor of physical variables such as temperature and pressure
US3654545A (en) Semiconductor strain gauge amplifier
GB1195617A (en) Improvements in or relating to Apparatus for Transmitting a Current Signal
US3680384A (en) Two wire telemetry system
US4241303A (en) Linearization circuit
US3106645A (en) Temperature compensated transistor sensing circuit
US3783356A (en) Null balance indicating and control apparatus and phase sensitive pulse responsive circuits for use therein
GB1269308A (en) Improvements in or relating to voltage regulators
GB1509423A (en) Measurement systems
GB1240493A (en) Improvements in or relating to signal transmitting devices
US4001703A (en) Transmission line interface circuit
GB1456646A (en) Measuring-transducer circuits
US4143550A (en) Resistance-to-current converter
GB1131136A (en) Improvements in and relating to the electrical measurement of a plurality of quantities
GB1238198A (nl)
US4016763A (en) Two wire current transmitter responsive to a resistive temperature sensor input signal
US2509048A (en) Temperature responsive measuring apparatus
USRE30597E (en) Two wire current transmitter responsive to a resistive temperature sensor input signal
GB1260872A (en) Current transmitter responsive to a d.c. isolated voltage signal
US3075187A (en) Alarm apparatus for industrial instrumentation systems