FR935566A - Perfectionnements aux dispositifs électriques de mesure et de commande - Google Patents

Perfectionnements aux dispositifs électriques de mesure et de commande

Info

Publication number
FR935566A
FR935566A FR935566DA FR935566A FR 935566 A FR935566 A FR 935566A FR 935566D A FR935566D A FR 935566DA FR 935566 A FR935566 A FR 935566A
Authority
FR
France
Prior art keywords
control devices
electrical measuring
measuring
electrical
devices
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
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.)
Liquidometer Corp
Original Assignee
Liquidometer 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 Liquidometer Corp filed Critical Liquidometer Corp
Application granted granted Critical
Publication of FR935566A publication Critical patent/FR935566A/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C19/00—Electric signal transmission systems
    • G08C19/38—Electric signal transmission systems using dynamo-electric devices
    • G08C19/40—Electric signal transmission systems using dynamo-electric devices of which only the rotor or the stator carries a winding to which a signal is applied, e.g. using step motor
    • G08C19/42—Electric signal transmission systems using dynamo-electric devices of which only the rotor or the stator carries a winding to which a signal is applied, e.g. using step motor having three stator poles
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
    • G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
    • G01R27/08—Measuring resistance by measuring both voltage and current
    • G01R27/10—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient
    • G01R27/12—Measuring resistance by measuring both voltage and current using two-coil or crossed-coil instruments forming quotient using hand generators, e.g. meggers

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
  • Brushless Motors (AREA)
FR935566D 1946-07-08 1946-11-04 Perfectionnements aux dispositifs électriques de mesure et de commande Expired FR935566A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US681796A US2425366A (en) 1946-07-08 1946-07-08 Pointer return device

Publications (1)

Publication Number Publication Date
FR935566A true FR935566A (fr) 1948-06-23

Family

ID=24736853

Family Applications (1)

Application Number Title Priority Date Filing Date
FR935566D Expired FR935566A (fr) 1946-07-08 1946-11-04 Perfectionnements aux dispositifs électriques de mesure et de commande

Country Status (3)

Country Link
US (1) US2425366A (fr)
FR (1) FR935566A (fr)
GB (1) GB628834A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2798200A (en) * 1953-04-03 1957-07-02 Gen Electric Long-scale ratio instrument
US3302191A (en) * 1964-05-04 1967-01-31 Gen Motors Corp Gauge circuit
USRE32604E (en) * 1981-06-22 1988-02-16 Beede Electrical Instrument Co., Inc. Electric indicator with return-to-zero feature and compensating coil to cancel the return-to-zero feature during measurement
US4758784A (en) * 1985-11-15 1988-07-19 Stewart Warner Corporation Air core gauge with zero pointer return related application

Also Published As

Publication number Publication date
GB628834A (en) 1949-09-06
US2425366A (en) 1947-08-12

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