BE507483A - - Google Patents
Info
- Publication number
- BE507483A BE507483A BE507483DA BE507483A BE 507483 A BE507483 A BE 507483A BE 507483D A BE507483D A BE 507483DA BE 507483 A BE507483 A BE 507483A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H51/00—Electromagnetic relays
- H01H51/30—Electromagnetic relays specially adapted for actuation by ac
- H01H51/32—Frequency relays; Mechanically-tuned relays
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electromagnets (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US210358A US2730592A (en) | 1951-02-10 | 1951-02-10 | Code following relay with frequency decoding contacts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE507483A true BE507483A (pt) |
Family
ID=22782597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE507483D BE507483A (pt) | 1951-02-10 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2730592A (pt) |
| BE (1) | BE507483A (pt) |
| FR (1) | FR1057890A (pt) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2900581A (en) * | 1954-07-27 | 1959-08-18 | Gen Railway Signal Co | Mechanically resonant decoding apparatus |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US587838A (en) * | 1897-08-10 | Circuit-breaker | ||
| US1088771A (en) * | 1903-06-15 | 1914-03-03 | Kellogg Switchboard & Supply | Electromagnetic device. |
| US1174229A (en) * | 1909-05-07 | 1916-03-07 | Hall Switch & Signal Co | Railway signaling system. |
| US1106432A (en) * | 1913-05-10 | 1914-08-11 | Connecticut Telephone & Elec | Ignition system. |
| US1680667A (en) * | 1922-10-03 | 1928-08-14 | Western Electric Co | Electromagnetic device |
| US1724825A (en) * | 1926-09-03 | 1929-08-13 | Cie Pour La Fabrications Des C | Electromechanical relay motor |
| CH165281A (fr) * | 1932-01-29 | 1933-11-15 | Cfcmug | Dispositif vibratoire. |
| US1975652A (en) * | 1934-01-04 | 1934-10-02 | Union Switch & Signal Co | Electrical relay |
| US2113617A (en) * | 1935-04-19 | 1938-04-12 | Ibm | Relay |
| US2145821A (en) * | 1935-06-04 | 1939-01-31 | Wallace & Tiernan Inc | Selective relay |
| US2057605A (en) * | 1936-01-16 | 1936-10-13 | Union Switch & Signal Co | Electrical relay |
| US2163195A (en) * | 1936-10-08 | 1939-06-20 | American Telephone & Telegraph | Mechanical relay |
| US2125130A (en) * | 1936-12-31 | 1938-07-26 | Westinghouse Electric & Mfg Co | Control device for circuit breakers |
-
0
- BE BE507483D patent/BE507483A/xx unknown
-
1951
- 1951-02-10 US US210358A patent/US2730592A/en not_active Expired - Lifetime
- 1951-11-22 FR FR1057890D patent/FR1057890A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1057890A (fr) | 1954-03-11 |
| US2730592A (en) | 1956-01-10 |