NL7204834A - - Google Patents
Info
- Publication number
- NL7204834A NL7204834A NL7204834A NL7204834A NL7204834A NL 7204834 A NL7204834 A NL 7204834A NL 7204834 A NL7204834 A NL 7204834A NL 7204834 A NL7204834 A NL 7204834A NL 7204834 A NL7204834 A NL 7204834A
- Authority
- NL
- Netherlands
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 |
|---|---|---|---|
| DE19712117860 DE2117860C3 (de) | 1971-04-13 | 1971-04-13 | Einrichtung zum linienförmigen Informationsaustausch zwischen Schienenfahrzeugen und einer ortsfesten Station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7204834A true NL7204834A (fi) | 1972-10-17 |
| NL168767C NL168767C (nl) | 1981-12-16 |
Family
ID=5804597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7204834A NL168767C (nl) | 1971-04-13 | 1972-04-11 | Inrichting voor lijnvormige informatieuitwisseling tussen railvoertuigen en een vast station. |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | AT313367B (fi) |
| CH (1) | CH532498A (fi) |
| DE (1) | DE2117860C3 (fi) |
| FI (1) | FI56510C (fi) |
| NL (1) | NL168767C (fi) |
-
1971
- 1971-04-13 DE DE19712117860 patent/DE2117860C3/de not_active Expired
-
1972
- 1972-03-16 CH CH390672A patent/CH532498A/de not_active IP Right Cessation
- 1972-03-17 AT AT228772A patent/AT313367B/de not_active IP Right Cessation
- 1972-04-04 FI FI92672A patent/FI56510C/fi active
- 1972-04-11 NL NL7204834A patent/NL168767C/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| NL168767C (nl) | 1981-12-16 |
| FI56510B (fi) | 1979-10-31 |
| AT313367B (de) | 1974-02-11 |
| FI56510C (fi) | 1980-02-11 |
| DE2117860C3 (de) | 1980-02-07 |
| DE2117860B2 (de) | 1979-06-13 |
| DE2117860A1 (de) | 1972-11-02 |
| CH532498A (de) | 1973-01-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BB | A search report has been drawn up | ||
| BC | A request for examination has been filed | ||
| R1B | Notice of opposition during period of laying open | ||
| BV | The patent application has lapsed | ||
| R2V | Lapsed after publication |