FR576542A - Relais fréquencemétrique - Google Patents

Relais fréquencemétrique

Info

Publication number
FR576542A
FR576542A FR576542DA FR576542A FR 576542 A FR576542 A FR 576542A FR 576542D A FR576542D A FR 576542DA FR 576542 A FR576542 A FR 576542A
Authority
FR
France
Prior art keywords
frequency relay
relay
frequency
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR576542A publication Critical patent/FR576542A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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)
FR576542D 1924-02-01 1924-02-01 Relais fréquencemétrique Expired FR576542A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR576542T 1924-02-01

Publications (1)

Publication Number Publication Date
FR576542A true FR576542A (fr) 1924-08-22

Family

ID=8954140

Family Applications (1)

Application Number Title Priority Date Filing Date
FR576542D Expired FR576542A (fr) 1924-02-01 1924-02-01 Relais fréquencemétrique

Country Status (1)

Country Link
FR (1) FR576542A (fr)

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