BE477703A - - Google Patents
Info
- Publication number
- BE477703A BE477703A BE477703DA BE477703A BE 477703 A BE477703 A BE 477703A BE 477703D A BE477703D A BE 477703DA BE 477703 A BE477703 A BE 477703A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/22—Polarised relays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/01—Relays in which the armature is maintained in one position by a permanent magnet and freed by energisation of a coil producing an opposing magnetic field
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US396737A US2301992A (en) | 1941-06-05 | 1941-06-05 | Electrical relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477703A true BE477703A (en:Method) |
Family
ID=23568437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477703D BE477703A (en:Method) | 1941-06-05 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2301992A (en:Method) |
| BE (1) | BE477703A (en:Method) |
| FR (1) | FR950949A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2452034A (en) * | 1944-10-06 | 1948-10-26 | Walter H Campbell | Electrical drop signal device |
| US2479231A (en) * | 1945-06-06 | 1949-08-16 | Automatic Elect Lab | Alternating current relay |
| US2557424A (en) * | 1947-03-07 | 1951-06-19 | North American Aviation Inc | Directional circuit protector |
| US2535977A (en) * | 1949-09-27 | 1950-12-26 | Gen Railway Signal Co | Magnetic stick relay |
| US2916584A (en) * | 1957-05-24 | 1959-12-08 | Filtors Inc | Electrically-operated latching relays |
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0
- BE BE477703D patent/BE477703A/xx unknown
-
1941
- 1941-06-05 US US396737A patent/US2301992A/en not_active Expired - Lifetime
-
1947
- 1947-08-04 FR FR950949D patent/FR950949A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2301992A (en) | 1942-11-17 |
| FR950949A (fr) | 1949-10-11 |