GB2041610B - Transportation systems - Google Patents
Transportation systemsInfo
- Publication number
- GB2041610B GB2041610B GB7944376A GB7944376A GB2041610B GB 2041610 B GB2041610 B GB 2041610B GB 7944376 A GB7944376 A GB 7944376A GB 7944376 A GB7944376 A GB 7944376A GB 2041610 B GB2041610 B GB 2041610B
- Authority
- GB
- United Kingdom
- Prior art keywords
- transportation systems
- transportation
- systems
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L27/00—Central railway traffic control systems; Trackside control; Communication systems specially adapted therefor
- B61L27/04—Automatic systems, e.g. controlled by train; Change-over to manual control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7944376A GB2041610B (en) | 1979-01-02 | 1979-12-24 | Transportation systems |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7900046 | 1979-01-02 | ||
GB7944376A GB2041610B (en) | 1979-01-02 | 1979-12-24 | Transportation systems |
Publications (2)
Publication Number | Publication Date |
---|---|
GB2041610A GB2041610A (en) | 1980-09-10 |
GB2041610B true GB2041610B (en) | 1983-09-01 |
Family
ID=26270123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB7944376A Expired GB2041610B (en) | 1979-01-02 | 1979-12-24 | Transportation systems |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2041610B (en) |
-
1979
- 1979-12-24 GB GB7944376A patent/GB2041610B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB2041610A (en) | 1980-09-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |