GB1364586A - System for the transmission of signalling and communications currents for railway traffic - Google Patents
System for the transmission of signalling and communications currents for railway trafficInfo
- Publication number
- GB1364586A GB1364586A GB1115672A GB1115672A GB1364586A GB 1364586 A GB1364586 A GB 1364586A GB 1115672 A GB1115672 A GB 1115672A GB 1115672 A GB1115672 A GB 1115672A GB 1364586 A GB1364586 A GB 1364586A
- Authority
- GB
- United Kingdom
- Prior art keywords
- screen
- cables
- track
- signalling
- march
- 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
- 230000011664 signaling Effects 0.000 title abstract 2
- 230000005540 biological transmission Effects 0.000 title 1
- 239000003990 capacitor Substances 0.000 abstract 2
- 238000009413 insulation Methods 0.000 abstract 2
- 239000004020 conductor Substances 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 230000001939 inductive effect Effects 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 238000012216 screening Methods 0.000 abstract 1
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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Abstract
1364586 Track apparatus CABLES DE LYON-ALSACIENNE-GEOFFROY DELORE 9 March 1972 [12 March 1971] 11156/72 Heading B7N [Also in Division H4] In a system for inductive signalling to trains, of the type in which energized cables A, B, are arranged parallel along the track and crossed at periodic intervals to provide null signal points which are counted on the train to provide a measure of distance travelled, an additional circuit is provided utilizing said cables for communication along the track. Cable A comprises a conductor 1, insulation 2, screen 3 and insulation 4, cable B being likewise constructed, the screening being removed at the crossover points. Communication is achieved along the coaxial lines by coupling together screens 3 and 3<SP>1</SP> and connecting the screen of A1 to the screen of A2 through a capacitor 6. The screen of B1 may also be coupled via capacitor 7 to the screen of B2. A further outer conductive screen may be provided which is interrupted at the crossover points.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7108752A FR2129057A5 (en) | 1971-03-12 | 1971-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1364586A true GB1364586A (en) | 1974-08-21 |
Family
ID=9073458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1115672A Expired GB1364586A (en) | 1971-03-12 | 1972-03-09 | System for the transmission of signalling and communications currents for railway traffic |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE2210949A1 (en) |
| FR (1) | FR2129057A5 (en) |
| GB (1) | GB1364586A (en) |
| IT (1) | IT950016B (en) |
-
1971
- 1971-03-12 FR FR7108752A patent/FR2129057A5/fr not_active Expired
-
1972
- 1972-03-07 DE DE19722210949 patent/DE2210949A1/en active Pending
- 1972-03-09 IT IT2160972A patent/IT950016B/en active
- 1972-03-09 GB GB1115672A patent/GB1364586A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2210949A1 (en) | 1972-09-21 |
| IT950016B (en) | 1973-06-20 |
| FR2129057A5 (en) | 1972-10-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 435 | Patent endorsed 'licences of right' on the date specified (sect. 35/1949) | ||
| PCNP | Patent ceased through non-payment of renewal fee |