FR2138840A1 - - Google Patents
Info
- Publication number
- FR2138840A1 FR2138840A1 FR7218152A FR7218152A FR2138840A1 FR 2138840 A1 FR2138840 A1 FR 2138840A1 FR 7218152 A FR7218152 A FR 7218152A FR 7218152 A FR7218152 A FR 7218152A FR 2138840 A1 FR2138840 A1 FR 2138840A1
- Authority
- FR
- France
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/123—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams
- G08G1/127—Traffic control systems for road vehicles indicating the position of vehicles, e.g. scheduled vehicles; Managing passenger vehicles circulating according to a fixed timetable, e.g. buses, trains, trams to a central station ; Indicators in a central station
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712125531 DE2125531A1 (de) | 1971-05-22 | 1971-05-22 | Verkehrsleitsystem |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2138840A1 true FR2138840A1 (en:Method) | 1973-01-05 |
FR2138840B1 FR2138840B1 (en:Method) | 1976-08-06 |
Family
ID=5808678
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7218152A Expired FR2138840B1 (en:Method) | 1971-05-22 | 1972-05-19 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2125531A1 (en:Method) |
FR (1) | FR2138840B1 (en:Method) |
GB (1) | GB1338968A (en:Method) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53124003A (en) * | 1977-04-06 | 1978-10-30 | Nissan Motor | Automotive audio instantaneous communication device |
-
1971
- 1971-05-22 DE DE19712125531 patent/DE2125531A1/de active Pending
-
1972
- 1972-02-14 GB GB672572A patent/GB1338968A/en not_active Expired
- 1972-05-19 FR FR7218152A patent/FR2138840B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE2125531A1 (de) | 1972-12-07 |
FR2138840B1 (en:Method) | 1976-08-06 |
GB1338968A (en) | 1973-11-28 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |