FR620428A - - Google Patents
Info
- Publication number
- FR620428A FR620428A FR620428DA FR620428A FR 620428 A FR620428 A FR 620428A FR 620428D A FR620428D A FR 620428DA FR 620428 A FR620428 A FR 620428A
- Authority
- FR
- France
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P7/00—Arrangements for regulating or controlling the speed or torque of electric DC motors
- H02P7/03—Arrangements for regulating or controlling the speed or torque of electric DC motors for controlling the direction of rotation of DC motors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR620428A true FR620428A (en) | 1927-04-22 |
Family
ID=1541152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR620428D Expired FR620428A (en) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR620428A (en) |
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0
- FR FR620428D patent/FR620428A/fr not_active Expired