FR657221A - Ampèremètre à déviations proportionnelles - Google Patents
Ampèremètre à déviations proportionnellesInfo
- Publication number
- FR657221A FR657221A FR657221DA FR657221A FR 657221 A FR657221 A FR 657221A FR 657221D A FR657221D A FR 657221DA FR 657221 A FR657221 A FR 657221A
- Authority
- FR
- France
- Prior art keywords
- ammeter
- deviations
- proportional
- proportional deviations
- 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
- G01R5/00—Instruments for converting a single current or a single voltage into a mechanical displacement
- G01R5/14—Moving-iron instruments
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US657221XA | 1927-07-13 | 1927-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR657221A true FR657221A (fr) | 1929-05-18 |
Family
ID=22064649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR657221D Expired FR657221A (fr) | 1927-07-13 | 1928-07-10 | Ampèremètre à déviations proportionnelles |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR657221A (fr) |
-
1928
- 1928-07-10 FR FR657221D patent/FR657221A/fr not_active Expired
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