FR65670E - - Google Patents

Info

Publication number
FR65670E
FR65670E FR65670DA FR65670E FR 65670 E FR65670 E FR 65670E FR 65670D A FR65670D A FR 65670DA FR 65670 E FR65670 E FR 65670E
Authority
FR
France
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)
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.)
Publication date
Application granted granted Critical
Publication of FR65670E publication Critical patent/FR65670E/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/4802—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage by using electronic circuits in general
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00—Details of instruments
    • G01P1/07—Indicating devices, e.g. for remote indication
    • G01P1/08—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers
    • G01P1/10—Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers for indicating predetermined speeds
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Eletrric Generators (AREA)
FR65670D 1952-09-08 Expired FR65670E (xx)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1068829T 1952-09-08
GB326213X 1953-03-16

Publications (1)

Publication Number Publication Date
FR65670E true FR65670E (xx) 1956-02-29

Family

ID=63721191

Family Applications (2)

Application Number Title Priority Date Filing Date
FR65670D Expired FR65670E (xx) 1952-09-08
FR1068829D Expired FR1068829A (fr) 1952-09-08 1952-09-08 Appareil de mesure de la fréquence des courants alternatifs ou d'une vitesse

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR1068829D Expired FR1068829A (fr) 1952-09-08 1952-09-08 Appareil de mesure de la fréquence des courants alternatifs ou d'une vitesse

Country Status (4)

Country Link
BE (1) BE527341A (xx)
CH (1) CH326213A (xx)
DE (1) DE1061436B (xx)
FR (2) FR1068829A (xx)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE631445A (xx) * 1962-05-16

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1601070A (en) * 1922-04-18 1926-09-28 Western Electric Co Wave meter
US2133150A (en) * 1937-09-29 1938-10-11 Gen Electric Frequency meter

Also Published As

Publication number Publication date
FR1068829A (fr) 1954-07-01
DE1061436B (de) 1959-07-16
BE527341A (xx) 1900-01-01
CH326213A (de) 1957-12-15

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