CA1133101A - Circuit coupleur optique vital pour systeme de signalisation ferroviaire - Google Patents
Circuit coupleur optique vital pour systeme de signalisation ferroviaireInfo
- Publication number
- CA1133101A CA1133101A CA337,438A CA337438A CA1133101A CA 1133101 A CA1133101 A CA 1133101A CA 337438 A CA337438 A CA 337438A CA 1133101 A CA1133101 A CA 1133101A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- section
- track
- transformer
- direct current
- 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
- 230000003287 optical effect Effects 0.000 title claims description 26
- 230000011664 signaling Effects 0.000 title description 5
- 230000001360 synchronised effect Effects 0.000 claims abstract description 10
- 230000000737 periodic effect Effects 0.000 claims abstract description 5
- 230000009467 reduction Effects 0.000 claims abstract description 4
- 238000004804 winding Methods 0.000 claims description 28
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000004044 response Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 2
- 230000005855 radiation Effects 0.000 claims 4
- 230000009977 dual effect Effects 0.000 description 5
- 239000000306 component Substances 0.000 description 4
- 230000010363 phase shift Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000002829 reductive effect Effects 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 230000002311 subsequent effect Effects 0.000 description 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US95352878A | 1978-10-23 | 1978-10-23 | |
| US953,528 | 1978-10-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1133101A true CA1133101A (fr) | 1982-10-05 |
Family
ID=25494141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA337,438A Expired CA1133101A (fr) | 1978-10-23 | 1979-10-12 | Circuit coupleur optique vital pour systeme de signalisation ferroviaire |
Country Status (3)
| Country | Link |
|---|---|
| BR (1) | BR7906760A (fr) |
| CA (1) | CA1133101A (fr) |
| IT (1) | IT1119453B (fr) |
-
1979
- 1979-10-12 CA CA337,438A patent/CA1133101A/fr not_active Expired
- 1979-10-19 BR BR7906760A patent/BR7906760A/pt unknown
- 1979-10-22 IT IT69054/79A patent/IT1119453B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| BR7906760A (pt) | 1980-06-17 |
| IT1119453B (it) | 1986-03-10 |
| IT7969054A0 (it) | 1979-10-22 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |