PL75110B1 - - Google Patents
Info
- Publication number
- PL75110B1 PL75110B1 PL1972153931A PL15393172A PL75110B1 PL 75110 B1 PL75110 B1 PL 75110B1 PL 1972153931 A PL1972153931 A PL 1972153931A PL 15393172 A PL15393172 A PL 15393172A PL 75110 B1 PL75110 B1 PL 75110B1
- Authority
- PL
- Poland
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/16—Continuous control along the route
- B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
- B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB669271*[A GB1357752A (en) | 1971-03-12 | 1971-03-12 | Communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| PL75110B1 true PL75110B1 (ro) | 1974-12-31 |
Family
ID=9819068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PL1972153931A PL75110B1 (ro) | 1971-03-12 | 1972-03-08 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT314603B (ro) |
| AU (1) | AU461938B2 (ro) |
| CA (1) | CA961970A (ro) |
| CH (1) | CH562116A5 (ro) |
| DE (1) | DE2210549A1 (ro) |
| FR (1) | FR2129555A5 (ro) |
| GB (1) | GB1357752A (ro) |
| HU (1) | HU167225B (ro) |
| IT (1) | IT949763B (ro) |
| PL (1) | PL75110B1 (ro) |
| ZA (1) | ZA721454B (ro) |
-
1971
- 1971-03-12 GB GB669271*[A patent/GB1357752A/en not_active Expired
-
1972
- 1972-03-01 IT IT21263/72A patent/IT949763B/it active
- 1972-03-03 ZA ZA721454A patent/ZA721454B/xx unknown
- 1972-03-04 DE DE19722210549 patent/DE2210549A1/de active Pending
- 1972-03-06 CA CA136,502A patent/CA961970A/en not_active Expired
- 1972-03-08 AU AU39749/72A patent/AU461938B2/en not_active Expired
- 1972-03-08 CH CH337972A patent/CH562116A5/xx not_active IP Right Cessation
- 1972-03-08 PL PL1972153931A patent/PL75110B1/xx unknown
- 1972-03-09 FR FR7208238A patent/FR2129555A5/fr not_active Expired
- 1972-03-10 AT AT203172A patent/AT314603B/de not_active IP Right Cessation
- 1972-03-10 HU HUBI434A patent/HU167225B/hu unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU461938B2 (en) | 1975-05-20 |
| GB1357752A (en) | 1974-06-26 |
| AT314603B (de) | 1974-04-10 |
| FR2129555A5 (ro) | 1972-10-27 |
| ZA721454B (en) | 1972-11-29 |
| AU3974972A (en) | 1973-09-13 |
| DE2210549A1 (de) | 1972-09-28 |
| IT949763B (it) | 1973-06-11 |
| HU167225B (ro) | 1975-09-27 |
| CH562116A5 (ro) | 1975-05-30 |
| CA961970A (en) | 1975-01-28 |