FR2207051A1 - - Google Patents
Info
- Publication number
- FR2207051A1 FR2207051A1 FR7341064A FR7341064A FR2207051A1 FR 2207051 A1 FR2207051 A1 FR 2207051A1 FR 7341064 A FR7341064 A FR 7341064A FR 7341064 A FR7341064 A FR 7341064A FR 2207051 A1 FR2207051 A1 FR 2207051A1
- 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
-
- 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
- B61L1/185—Use of direct current
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Circuits Of Receivers In General (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1691272A CH544686A (de) | 1972-11-21 | 1972-11-21 | Gleisüberwachungseinrichtung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2207051A1 true FR2207051A1 (e) | 1974-06-14 |
| FR2207051B1 FR2207051B1 (e) | 1978-11-17 |
Family
ID=4421291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7341064A Expired FR2207051B1 (e) | 1972-11-21 | 1973-11-19 |
Country Status (7)
| Country | Link |
|---|---|
| BE (1) | BE807546A (e) |
| CH (1) | CH544686A (e) |
| DE (1) | DE2349750C3 (e) |
| FR (1) | FR2207051B1 (e) |
| GB (1) | GB1411835A (e) |
| HU (1) | HU168448B (e) |
| SE (1) | SE396580B (e) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3046103A1 (de) * | 1980-12-06 | 1982-06-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Achssensor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB919420A (en) * | 1959-05-11 | 1963-02-27 | Philips Electrical Ind Ltd | Improvements in or relating to apparatus for detecting the presence of a railway train |
| US3267280A (en) * | 1962-09-07 | 1966-08-16 | Gen Signal Corp | Track circuit |
-
1972
- 1972-11-21 CH CH1691272A patent/CH544686A/de not_active IP Right Cessation
-
1973
- 1973-10-03 DE DE19732349750 patent/DE2349750C3/de not_active Expired
- 1973-11-13 GB GB5261673A patent/GB1411835A/en not_active Expired
- 1973-11-15 SE SE7315501A patent/SE396580B/xx unknown
- 1973-11-19 FR FR7341064A patent/FR2207051B1/fr not_active Expired
- 1973-11-20 BE BE137945A patent/BE807546A/xx not_active IP Right Cessation
- 1973-11-20 HU HUSI001359 patent/HU168448B/hu unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB919420A (en) * | 1959-05-11 | 1963-02-27 | Philips Electrical Ind Ltd | Improvements in or relating to apparatus for detecting the presence of a railway train |
| US3267280A (en) * | 1962-09-07 | 1966-08-16 | Gen Signal Corp | Track circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| SE396580B (sv) | 1977-09-26 |
| GB1411835A (en) | 1975-10-29 |
| DE2349750A1 (de) | 1974-06-06 |
| HU168448B (e) | 1976-04-28 |
| BE807546A (fr) | 1974-03-15 |
| FR2207051B1 (e) | 1978-11-17 |
| DE2349750C3 (de) | 1980-04-03 |
| DE2349750B2 (de) | 1979-08-02 |
| CH544686A (de) | 1973-11-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |