BE674304A - - Google Patents

Info

Publication number
BE674304A
BE674304A BE674304DA BE674304A BE 674304 A BE674304 A BE 674304A BE 674304D A BE674304D A BE 674304DA BE 674304 A BE674304 A BE 674304A
Authority
BE
Belgium
Application number
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 BE674304A publication Critical patent/BE674304A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested
    • G01N27/185—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested using a catharometer
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/10—AC or DC measuring bridges
    • G01R17/105—AC or DC measuring bridges for measuring impedance or resistance
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B1/00—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values
    • G05B1/01—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric
    • G05B1/02—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric for comparing analogue signals

Landscapes

  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
BE674304D 1964-12-24 1965-12-24 BE674304A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US421050A US3349321A (en) 1964-12-24 1964-12-24 Bridge with automatic zero

Publications (1)

Publication Number Publication Date
BE674304A true BE674304A (fr) 1966-06-24

Family

ID=23668982

Family Applications (1)

Application Number Title Priority Date Filing Date
BE674304D BE674304A (fr) 1964-12-24 1965-12-24

Country Status (6)

Country Link
US (1) US3349321A (fr)
JP (1) JPS4841234B1 (fr)
BE (1) BE674304A (fr)
FR (1) FR1461883A (fr)
GB (1) GB1115229A (fr)
NL (1) NL6516898A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421375A (en) * 1965-08-31 1969-01-14 Infinite Q Corp Temperature measurement system
US3467874A (en) * 1965-11-15 1969-09-16 Foxboro Co Solid state process controller providing time-variant effects
US3441749A (en) * 1965-11-15 1969-04-29 Eg & G Inc Electronic clamp
US3651696A (en) * 1969-07-15 1972-03-28 Rosemount Eng Co Ltd Linearized resistance bridge circuit operable in plurality from a common power supply
US3650154A (en) * 1970-02-25 1972-03-21 Instrulab Inc Thermocouple input temperature sensing circuitry

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2856468A (en) * 1952-10-27 1958-10-14 Cons Electrodynamics Corp Negative feedback amplifier in a measuring system
US2866018A (en) * 1956-08-13 1958-12-23 Cons Electrodynamics Corp Direct current differential amplifying system
US3247703A (en) * 1958-12-03 1966-04-26 Phillips Petroleum Co Automatic zeroing system
US3152301A (en) * 1961-09-22 1964-10-06 Phillips Petroleum Co Electrical measuring apparatus

Also Published As

Publication number Publication date
FR1461883A (fr) 1966-12-09
GB1115229A (en) 1968-05-29
NL6516898A (fr) 1966-06-27
US3349321A (en) 1967-10-24
JPS4841234B1 (fr) 1973-12-05

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