FR576542A - Relais fréquencemétrique - Google Patents
Relais fréquencemétriqueInfo
- 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
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)
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) |
-
1924
- 1924-02-01 FR FR576542D patent/FR576542A/fr not_active Expired
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