FR737507A - Perfectionnements aux appareils de mesures - Google Patents
Perfectionnements aux appareils de mesuresInfo
- Publication number
- FR737507A FR737507A FR737507DA FR737507A FR 737507 A FR737507 A FR 737507A FR 737507D A FR737507D A FR 737507DA FR 737507 A FR737507 A FR 737507A
- Authority
- FR
- France
- Prior art keywords
- measuring devices
- measuring
- devices
- 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
- G01R23/12—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage by converting frequency into phase shift
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Current Or Voltage (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US540488A US1902496A (en) | 1931-05-27 | 1931-05-27 | High frequency measurement |
Publications (1)
Publication Number | Publication Date |
---|---|
FR737507A true FR737507A (fr) | 1932-12-13 |
Family
ID=24155661
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR737507D Expired FR737507A (fr) | 1931-05-27 | 1932-05-25 | Perfectionnements aux appareils de mesures |
Country Status (2)
Country | Link |
---|---|
US (1) | US1902496A (fr) |
FR (1) | FR737507A (fr) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2896161A (en) * | 1942-06-30 | 1959-07-21 | Bessie E Fox | Measuring system |
BE477480A (fr) * | 1944-03-20 | |||
CH245120A (de) * | 1944-09-06 | 1946-10-31 | Bbc Brown Boveri & Cie | Vorrichtung zur Messung der mechanischen Beschleunigung auf elektrischem Wege. |
US2534004A (en) * | 1945-08-20 | 1950-12-12 | Phillips Petroleum Co | Detonation voltage measuring means |
US2770776A (en) * | 1949-07-09 | 1956-11-13 | Ionics | Frequency meter |
US2900600A (en) * | 1956-08-18 | 1959-08-18 | Ferranti Ltd | Electrical frequency meters |
US3004220A (en) * | 1957-08-20 | 1961-10-10 | Airpax Electronics | Frequency responsive network |
US3098970A (en) * | 1958-05-02 | 1963-07-23 | Sperry Rand Corp | Speed responsive system |
US2983907A (en) * | 1959-12-17 | 1961-05-09 | George L Nankervis Company | Telemetering system |
US3284673A (en) * | 1962-01-09 | 1966-11-08 | Shimada Masatoshi | Signal selector |
US3403337A (en) * | 1966-04-18 | 1968-09-24 | Electromagnetic Ind Inc | Frequency meter utilizing a transformer having a non-rectangular hysteresis loop saturable core and a compensation circuit therefor |
-
1931
- 1931-05-27 US US540488A patent/US1902496A/en not_active Expired - Lifetime
-
1932
- 1932-05-25 FR FR737507D patent/FR737507A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US1902496A (en) | 1933-03-21 |
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