CA2168525A1 - Plate Antenna Method Using Integral Noise Mitigation for Railway Cab Signal - Google Patents
Plate Antenna Method Using Integral Noise Mitigation for Railway Cab SignalInfo
- Publication number
- CA2168525A1 CA2168525A1 CA 2168525 CA2168525A CA2168525A1 CA 2168525 A1 CA2168525 A1 CA 2168525A1 CA 2168525 CA2168525 CA 2168525 CA 2168525 A CA2168525 A CA 2168525A CA 2168525 A1 CA2168525 A1 CA 2168525A1
- Authority
- CA
- Canada
- Prior art keywords
- cab signal
- plates
- noise
- cab
- rail
- 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.)
- Granted
Links
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
- Noise Elimination (AREA)
Abstract
Cab signalling apparatus for use on-board a vehicle which is propelled on tracks having a cab signal transmitted through rails. One or more plate mounted antenna is positioned above a rail to induce therein a signal representative of the cab signal current in the rail. A cab signal coil is mounted on at least one of the plates having an orientation generally perpendicular to the rail to receive a cab signal. A second noise coil is mounted on at least one of the plates to sense EMI
representative of the undesired EMI induced in the cab signal coil. The preferred embodiments are that the plates have a generally rectangular profile and in some embodiments the plates will have a square profile. The respective noise and cab signal coils are angularly displaced from each other. In some embodiments a single core is used having both noise and cab signal coils mounted thereon, while other embodiments use multiple plates. On single plate embodiments the noise and cab signal coils may be overlapped or interleaved. The plates have mounting holes which permit angular adjustment in all directions.
representative of the undesired EMI induced in the cab signal coil. The preferred embodiments are that the plates have a generally rectangular profile and in some embodiments the plates will have a square profile. The respective noise and cab signal coils are angularly displaced from each other. In some embodiments a single core is used having both noise and cab signal coils mounted thereon, while other embodiments use multiple plates. On single plate embodiments the noise and cab signal coils may be overlapped or interleaved. The plates have mounting holes which permit angular adjustment in all directions.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US391,134 | 1995-02-21 | ||
| US08/391,134 US5622339A (en) | 1994-07-15 | 1995-02-21 | Plate antenna method using integral noise mitigation for railway cab signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2168525A1 true CA2168525A1 (en) | 1996-08-22 |
| CA2168525C CA2168525C (en) | 2000-11-21 |
Family
ID=23545399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2168525 Expired - Fee Related CA2168525C (en) | 1995-02-21 | 1996-01-31 | Plate antenna method using integral noise mitigation for railway cab signal |
Country Status (2)
| Country | Link |
|---|---|
| AU (1) | AU698096B2 (en) |
| CA (1) | CA2168525C (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3555270A (en) * | 1967-04-26 | 1971-01-12 | Asea Ab | Rail signal disturbance avoidance means |
| US5263670A (en) * | 1992-02-13 | 1993-11-23 | Union Switch & Signal Inc. | Cab signalling system utilizing coded track circuit signals |
-
1996
- 1996-01-31 AU AU43313/96A patent/AU698096B2/en not_active Ceased
- 1996-01-31 CA CA 2168525 patent/CA2168525C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| AU4331396A (en) | 1996-08-29 |
| AU698096B2 (en) | 1998-10-22 |
| CA2168525C (en) | 2000-11-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |