FR990821A - Fréquencemètres - Google Patents
FréquencemètresInfo
- Publication number
- FR990821A FR990821A FR990821DA FR990821A FR 990821 A FR990821 A FR 990821A FR 990821D A FR990821D A FR 990821DA FR 990821 A FR990821 A FR 990821A
- Authority
- FR
- France
- Prior art keywords
- frequency meters
- meters
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR990821T | 1949-05-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR990821A true FR990821A (fr) | 1951-09-26 |
Family
ID=9547359
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR990821D Expired FR990821A (fr) | 1949-05-11 | 1949-05-11 | Fréquencemètres |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR990821A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1002880B (de) * | 1953-02-19 | 1957-02-21 | Cinema Television Ltd | Verfahren zur elektrischen Frequenzmessung |
DE1002881B (de) * | 1954-06-23 | 1957-02-21 | Telefunken Gmbh | Verfahren und Anordnung zur Messung der Frequenz einer elektrischen Schwingung |
DE1006958B (de) * | 1953-02-19 | 1957-04-25 | Cinema Television Ltd | Verfahren zur elektrischen Frequenzmessung |
-
1949
- 1949-05-11 FR FR990821D patent/FR990821A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1002880B (de) * | 1953-02-19 | 1957-02-21 | Cinema Television Ltd | Verfahren zur elektrischen Frequenzmessung |
DE1006958B (de) * | 1953-02-19 | 1957-04-25 | Cinema Television Ltd | Verfahren zur elektrischen Frequenzmessung |
DE1002881B (de) * | 1954-06-23 | 1957-02-21 | Telefunken Gmbh | Verfahren und Anordnung zur Messung der Frequenz einer elektrischen Schwingung |
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