ZA7445B - Gapless track circuit using high-voltage pulses - Google Patents
Gapless track circuit using high-voltage pulsesInfo
- Publication number
- ZA7445B ZA7445B ZA00740045A ZA7445A ZA7445B ZA 7445 B ZA7445 B ZA 7445B ZA 00740045 A ZA00740045 A ZA 00740045A ZA 7445 A ZA7445 A ZA 7445A ZA 7445 B ZA7445 B ZA 7445B
- Authority
- ZA
- South Africa
- Prior art keywords
- voltage pulses
- track circuit
- gapless track
- gapless
- circuit
- Prior art date
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
- B61L1/187—Use of alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7301831A FR2214620B1 (en) | 1973-01-19 | 1973-01-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA7445B true ZA7445B (en) | 1975-01-29 |
Family
ID=9113530
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA00740045A ZA7445B (en) | 1973-01-19 | 1974-01-03 | Gapless track circuit using high-voltage pulses |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS49126004A (en) |
BE (1) | BE809847A (en) |
CA (1) | CA1006958A (en) |
ES (1) | ES422136A1 (en) |
FR (1) | FR2214620B1 (en) |
TR (1) | TR18000A (en) |
ZA (1) | ZA7445B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2591980B1 (en) * | 1985-12-23 | 1988-02-12 | Jeumont Schneider | DEVICE FOR EXTRACTING THE PULSE SIGNAL AMONG INTERFERED SIGNALS IN A RECEIVER OF A RAILWAY CIRCUIT |
DE3650708T2 (en) * | 1986-10-03 | 1999-07-01 | The Nippon Signal Co., Ltd., Tokio/Tokyo | DEVICE FOR DETECTING VEHICLES ON A TRACK |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1138645A (en) * | 1955-12-17 | 1957-06-17 | Forges Ateliers Const Electr | Track circuits without insulating joints |
FR1448077A (en) * | 1965-05-05 | 1966-08-05 | Jeumont Schneider | Track circuits without insulating joints |
US3345512A (en) * | 1965-05-06 | 1967-10-03 | Westinghouse Air Brake Co | Audio frequency overlay detector track circuit for electric propulsion territory |
-
1973
- 1973-01-19 FR FR7301831A patent/FR2214620B1/fr not_active Expired
-
1974
- 1974-01-03 ZA ZA00740045A patent/ZA7445B/en unknown
- 1974-01-09 ES ES422136A patent/ES422136A1/en not_active Expired
- 1974-01-15 TR TR18000A patent/TR18000A/en unknown
- 1974-01-17 BE BE1005651A patent/BE809847A/en not_active IP Right Cessation
- 1974-01-18 JP JP49008462A patent/JPS49126004A/ja active Pending
- 1974-01-18 CA CA190,625A patent/CA1006958A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
TR18000A (en) | 1976-08-20 |
BE809847A (en) | 1974-05-16 |
JPS49126004A (en) | 1974-12-03 |
FR2214620A1 (en) | 1974-08-19 |
CA1006958A (en) | 1977-03-15 |
AU6422474A (en) | 1975-07-10 |
ES422136A1 (en) | 1976-07-16 |
FR2214620B1 (en) | 1975-04-04 |
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