FR954362A - Improved device for indicating the value of the variation of a physical phenomenon - Google Patents

Improved device for indicating the value of the variation of a physical phenomenon

Info

Publication number
FR954362A
FR954362A FR954362DA FR954362A FR 954362 A FR954362 A FR 954362A FR 954362D A FR954362D A FR 954362DA FR 954362 A FR954362 A FR 954362A
Authority
FR
France
Prior art keywords
variation
indicating
value
improved device
physical phenomenon
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)
Inventor
William Littery Garfield
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.)
International Standard Electric Corp
Original Assignee
International Standard Electric Corp
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 International Standard Electric Corp filed Critical International Standard Electric Corp
Application granted granted Critical
Publication of FR954362A publication Critical patent/FR954362A/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
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/52—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using discharge tubes in series with the load as final control devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/30—Structural combination of electric measuring instruments with basic electronic circuits, e.g. with amplifier

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
FR954362D 1946-05-16 1947-10-17 Improved device for indicating the value of the variation of a physical phenomenon Expired FR954362A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB954362X 1946-05-16

Publications (1)

Publication Number Publication Date
FR954362A true FR954362A (en) 1949-12-23

Family

ID=10786393

Family Applications (1)

Application Number Title Priority Date Filing Date
FR954362D Expired FR954362A (en) 1946-05-16 1947-10-17 Improved device for indicating the value of the variation of a physical phenomenon

Country Status (1)

Country Link
FR (1) FR954362A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020464B (en) * 1951-06-26 1957-12-05 Exact Weight Scale Company Test device for monitoring the production of successive test specimens

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1020464B (en) * 1951-06-26 1957-12-05 Exact Weight Scale Company Test device for monitoring the production of successive test specimens

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