FR858896A - Perfectionnements aux systèmes électro-magnétiques - Google Patents
Perfectionnements aux systèmes électro-magnétiquesInfo
- Publication number
- FR858896A FR858896A FR858896DA FR858896A FR 858896 A FR858896 A FR 858896A FR 858896D A FR858896D A FR 858896DA FR 858896 A FR858896 A FR 858896A
- Authority
- FR
- France
- Prior art keywords
- electro
- magnetic systems
- magnetic
- systems
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/223—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil adapted to be supplied by AC
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of AC power input into DC power output; Conversion of DC power input into AC power output
- H02M7/02—Conversion of AC power input into DC power output without possibility of reversal
- H02M7/04—Conversion of AC power input into DC power output without possibility of reversal by static converters
- H02M7/043—Conversion of AC power input into DC power output without possibility of reversal by static converters using transformers or inductors only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Dc-Dc Converters (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US224535A US2180159A (en) | 1938-08-12 | 1938-08-12 | Electromagnetic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR858896A true FR858896A (fr) | 1940-12-05 |
Family
ID=22841099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR858896D Expired FR858896A (fr) | 1938-08-12 | 1939-08-09 | Perfectionnements aux systèmes électro-magnétiques |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2180159A (instruction) |
| BE (1) | BE435936A (instruction) |
| FR (1) | FR858896A (instruction) |
| GB (1) | GB532033A (instruction) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2740956A (en) * | 1951-10-19 | 1956-04-03 | Itt | Polarized magneto signal device |
| US2931966A (en) * | 1955-01-14 | 1960-04-05 | Charles F Rockey | Alternating current rectifier |
| US3011133A (en) * | 1958-06-04 | 1961-11-28 | Ibm | Oscillator utilizing avalanche breakdown of supercooled semiconductor |
| DE1117778B (de) * | 1958-07-29 | 1961-11-23 | Jun Ichi Nishizawa Dr Ing | Halbleiteranordnung mit einer stromabhaengigen Induktivitaet |
| NL274072A (instruction) * | 1961-02-02 | |||
| US20130027112A1 (en) * | 2011-07-29 | 2013-01-31 | Yen-Wei Hsu | Inductor |
-
0
- BE BE435936D patent/BE435936A/xx unknown
-
1938
- 1938-08-12 US US224535A patent/US2180159A/en not_active Expired - Lifetime
-
1939
- 1939-08-09 FR FR858896D patent/FR858896A/fr not_active Expired
- 1939-08-12 GB GB23308/39A patent/GB532033A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB532033A (en) | 1941-01-16 |
| US2180159A (en) | 1939-11-14 |
| BE435936A (instruction) |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FR852855A (fr) | Perfectionnements aux systèmes oscillants électriques | |
| FR872644A (fr) | Perfectionnements aux systèmes indicateurs de position | |
| FR861968A (fr) | Perfectionnements aux systèmes de télévision | |
| FR865522A (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR50613E (fr) | Perfectionnements aux systèmes de télévision | |
| FR856153A (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR933317A (fr) | Perfectionnements aux systèmes radio-télégraphiques | |
| FR847855A (fr) | Perfectionnements aux systèmes aériens | |
| FR831620A (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR858896A (fr) | Perfectionnements aux systèmes électro-magnétiques | |
| FR860035A (fr) | Perfectionnements aux systèmes de freinage | |
| FR951758A (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR863581A (fr) | Perfectionnements aux systèmes de télévision | |
| FR847613A (fr) | Perfectionnements aux stylographes | |
| FR854039A (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR851173A (fr) | Perfectionnements aux systèmes de modulation | |
| FR933150A (fr) | Perfectionnements aux systèmes de télévision | |
| FR864510A (fr) | Perfectionnements aux systèmes modulateurs | |
| FR835343A (fr) | Perfectionnements aux systèmes électriques | |
| FR931429A (fr) | Perfectionnements aux systèmes radio-télégraphiques | |
| FR840443A (fr) | Systèmes modulateurs | |
| FR853385A (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR49158E (fr) | Perfectionnements aux systèmes téléphoniques | |
| FR862056A (fr) | Perfectionnements aux systèmes antivibratoires | |
| FR832760A (fr) | Perfectionnements aux systèmes télégraphiques |