DD125194A5 - - Google Patents
Info
- Publication number
- DD125194A5 DD125194A5 DD192847A DD19284776A DD125194A5 DD 125194 A5 DD125194 A5 DD 125194A5 DD 192847 A DD192847 A DD 192847A DD 19284776 A DD19284776 A DD 19284776A DD 125194 A5 DD125194 A5 DD 125194A5
- Authority
- DD
- German Democratic Republic
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L1/00—Devices along the route controlled by interaction with the vehicle or train
- B61L1/18—Railway track circuits
- B61L1/181—Details
- B61L1/187—Use of alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Amplifiers (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU75GA1184A HU173729B (hu) | 1975-05-17 | 1975-05-17 | Ehlektroskhema dlja rel'sovykh cepej |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD125194A5 true DD125194A5 (it) | 1977-04-06 |
Family
ID=10996446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD192847A DD125194A5 (it) | 1975-05-17 | 1976-05-14 |
Country Status (10)
| Country | Link |
|---|---|
| CH (1) | CH607964A5 (it) |
| CS (1) | CS194762B2 (it) |
| DD (1) | DD125194A5 (it) |
| DE (1) | DE2621877A1 (it) |
| FR (1) | FR2311700A1 (it) |
| HU (1) | HU173729B (it) |
| PL (1) | PL107441B1 (it) |
| RO (1) | RO73365A (it) |
| SE (1) | SE408628B (it) |
| YU (1) | YU122176A (it) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1613259A (en) * | 1922-12-14 | 1927-01-04 | Union Switch & Signal Co | Railway-track-circuit regulation |
| FR1206394A (fr) * | 1958-08-18 | 1960-02-09 | Signaux Entr Electriques | Dispositif d'amplification de signaux pour circuits de voie de chemins de fer |
-
1975
- 1975-05-17 HU HU75GA1184A patent/HU173729B/hu unknown
-
1976
- 1976-04-27 CH CH525976A patent/CH607964A5/fr not_active IP Right Cessation
- 1976-04-29 SE SE7604934A patent/SE408628B/xx unknown
- 1976-05-13 CS CS763186A patent/CS194762B2/cs unknown
- 1976-05-14 YU YU01221/76A patent/YU122176A/xx unknown
- 1976-05-14 DD DD192847A patent/DD125194A5/xx unknown
- 1976-05-15 PL PL1976189599A patent/PL107441B1/pl unknown
- 1976-05-17 DE DE19762621877 patent/DE2621877A1/de not_active Withdrawn
- 1976-05-17 RO RO7686126A patent/RO73365A/ro unknown
- 1976-05-17 FR FR7614808A patent/FR2311700A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| RO73365A (ro) | 1982-05-10 |
| DE2621877A1 (de) | 1976-11-25 |
| YU122176A (en) | 1982-05-31 |
| CS194762B2 (en) | 1979-12-31 |
| SE408628B (sv) | 1979-06-25 |
| FR2311700A1 (fr) | 1976-12-17 |
| CH607964A5 (en) | 1978-12-15 |
| SE7604934L (sv) | 1976-11-18 |
| PL107441B1 (pl) | 1980-02-29 |
| HU173729B (hu) | 1979-07-28 |