FR704572A - Improvements to synchronoscopes - Google Patents

Improvements to synchronoscopes

Info

Publication number
FR704572A
FR704572A FR704572DA FR704572A FR 704572 A FR704572 A FR 704572A FR 704572D A FR704572D A FR 704572DA FR 704572 A FR704572 A FR 704572A
Authority
FR
France
Prior art keywords
synchronoscopes
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.)
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 FR704572A publication Critical patent/FR704572A/en
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)
FR704572D 1929-09-16 1930-09-09 Improvements to synchronoscopes Expired FR704572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US704572XA 1929-09-16 1929-09-16

Publications (1)

Publication Number Publication Date
FR704572A true FR704572A (en) 1931-05-22

Family

ID=22095384

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704572D Expired FR704572A (en) 1929-09-16 1930-09-09 Improvements to synchronoscopes

Country Status (1)

Country Link
FR (1) FR704572A (en)

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