FR715027A - Electrical installation for comparison of measured values - Google Patents

Electrical installation for comparison of measured values

Info

Publication number
FR715027A
FR715027A FR715027DA FR715027A FR 715027 A FR715027 A FR 715027A FR 715027D A FR715027D A FR 715027DA FR 715027 A FR715027 A FR 715027A
Authority
FR
France
Prior art keywords
comparison
measured values
electrical installation
installation
electrical
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
Other languages
French (fr)
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG 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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR715027A publication Critical patent/FR715027A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D1/00—Measuring arrangements giving results other than momentary value of variable, of general application
    • G01D1/04—Measuring arrangements giving results other than momentary value of variable, of general application giving integrated values
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R7/00—Instruments capable of converting two or more currents or voltages into a single mechanical displacement
    • G01R7/02—Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming a sum or a difference
    • 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
    • G05B11/00—Automatic controllers
    • G05B11/01—Automatic controllers electric
    • G05B11/26—Automatic controllers electric in which the output signal is a pulse-train
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Control Of Position Or Direction (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
FR715027D 1930-04-10 1931-04-09 Electrical installation for comparison of measured values Expired FR715027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE600478T 1930-04-10

Publications (1)

Publication Number Publication Date
FR715027A true FR715027A (en) 1931-11-24

Family

ID=6574555

Family Applications (1)

Application Number Title Priority Date Filing Date
FR715027D Expired FR715027A (en) 1930-04-10 1931-04-09 Electrical installation for comparison of measured values

Country Status (4)

Country Link
AT (1) AT133640B (en)
CH (1) CH155953A (en)
DE (1) DE600478C (en)
FR (1) FR715027A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750109A (en) * 1950-08-25 1956-06-12 Flowflax Corp Apparatus for integrating a variable against time

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2750109A (en) * 1950-08-25 1956-06-12 Flowflax Corp Apparatus for integrating a variable against time

Also Published As

Publication number Publication date
CH155953A (en) 1932-07-15
AT133640B (en) 1933-06-10
DE600478C (en) 1934-07-24

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