FR850898A - Electric control relay - Google Patents

Electric control relay

Info

Publication number
FR850898A
FR850898A FR850898DA FR850898A FR 850898 A FR850898 A FR 850898A FR 850898D A FR850898D A FR 850898DA FR 850898 A FR850898 A FR 850898A
Authority
FR
France
Prior art keywords
electric control
control relay
relay
electric
control
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.)
BROWN
BBC Brown Boveri AG Germany
Original Assignee
BROWN
Brown Boveri und Cie AG Germany
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 BROWN, Brown Boveri und Cie AG Germany filed Critical BROWN
Application granted granted Critical
Publication of FR850898A publication Critical patent/FR850898A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • 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
    • G05B1/04—Comparing elements, i.e. elements for effecting comparison directly or indirectly between a desired value and existing or anticipated values electric with sensing of the position of the pointer of a measuring instrument

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Relay Circuits (AREA)
FR850898D 1938-03-01 1939-02-27 Electric control relay Expired FR850898A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEA85970D DE680586C (en) 1938-03-01 1938-03-01 Electrical control relay for controlling a variable speed drive as a function of a measured variable

Publications (1)

Publication Number Publication Date
FR850898A true FR850898A (en) 1939-12-28

Family

ID=6949661

Family Applications (1)

Application Number Title Priority Date Filing Date
FR850898D Expired FR850898A (en) 1938-03-01 1939-02-27 Electric control relay

Country Status (2)

Country Link
DE (1) DE680586C (en)
FR (1) FR850898A (en)

Also Published As

Publication number Publication date
DE680586C (en) 1939-09-06

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