LU72344A1 - - Google Patents
Info
- Publication number
- LU72344A1 LU72344A1 LU72344A LU72344A LU72344A1 LU 72344 A1 LU72344 A1 LU 72344A1 LU 72344 A LU72344 A LU 72344A LU 72344 A LU72344 A LU 72344A LU 72344 A1 LU72344 A1 LU 72344A1
- Authority
- LU
- Luxembourg
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
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7414396A FR2268663A1 (en) | 1974-04-25 | 1974-04-25 | Railway track circuit receiver - is alternating impulse type immune from stray high frequency interference |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU72344A1 true LU72344A1 (es) | 1975-08-20 |
Family
ID=9138114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU72344A LU72344A1 (es) | 1974-04-25 | 1975-04-23 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE828213A (es) |
| BR (1) | BR7502448A (es) |
| CA (1) | CA1021450A (es) |
| FR (1) | FR2268663A1 (es) |
| LU (1) | LU72344A1 (es) |
| ZA (1) | ZA752526B (es) |
-
1974
- 1974-04-25 FR FR7414396A patent/FR2268663A1/fr active Granted
-
1975
- 1975-04-21 ZA ZA00752526A patent/ZA752526B/xx unknown
- 1975-04-22 BE BE155627A patent/BE828213A/xx not_active IP Right Cessation
- 1975-04-23 BR BR3111/75A patent/BR7502448A/pt unknown
- 1975-04-23 LU LU72344A patent/LU72344A1/xx unknown
- 1975-04-24 CA CA225,564A patent/CA1021450A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1021450A (en) | 1977-11-22 |
| BE828213A (fr) | 1975-08-18 |
| FR2268663B1 (es) | 1977-03-04 |
| BR7502448A (pt) | 1976-03-09 |
| FR2268663A1 (en) | 1975-11-21 |
| ZA752526B (en) | 1976-03-31 |