FR455292A - Perfectionnements aux fréquencemètres - Google Patents

Perfectionnements aux fréquencemètres

Info

Publication number: FR455292A
Authority: FR; France
Prior art keywords: frequency meters; meters; frequency
Prior art date: 1912-05-20
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

Inventor

Emile Girardeau

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.)

Individual

Original Assignee

Individual

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.)

1912-05-20

Filing date

1912-05-20

Publication date

1913-07-26

1912-05-20 Application filed by Individual filed Critical Individual

1913-07-26 Application granted granted Critical

1913-07-26 Publication of FR455292A publication Critical patent/FR455292A/fr

Status Expired legal-status Critical Current

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)

FR455292D 1912-05-20 1912-05-20 Perfectionnements aux fréquencemètres Expired FR455292A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR455292T		1912-05-20

Publications (1)

Publication Number	Publication Date
FR455292A true FR455292A (fr)	1913-07-26

Family

ID=1495188

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR455292D Expired FR455292A (fr)	1912-05-20	1912-05-20	Perfectionnements aux fréquencemètres

Country Status (1)

Country	Link
FR (1)	FR455292A (fr)

1912
- 1912-05-20 FR FR455292D patent/FR455292A/fr not_active Expired

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