BE719024A - - Google Patents
Info
- Publication number
- BE719024A BE719024A BE719024DA BE719024A BE 719024 A BE719024 A BE 719024A BE 719024D A BE719024D A BE 719024DA BE 719024 A BE719024 A BE 719024A
- Authority
- BE
- Belgium
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/08—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only
- B61L23/14—Control, warning or like safety means along the route or between vehicles or trains for controlling traffic in one direction only automatically operated
- B61L23/16—Track circuits specially adapted for section blocking
- B61L23/166—Track circuits specially adapted for section blocking using alternating current
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US66271167A | 1967-08-23 | 1967-08-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE719024A true BE719024A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-01-16 |
Family
ID=24658873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE719024D BE719024A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1967-08-23 | 1968-08-02 |
Country Status (8)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3821544A (en) * | 1972-07-24 | 1974-06-28 | Westinghouse Electric Corp | Apparatus for sensing positions of vehicle along a track using voltage sensing in current track circuits |
| US3897921A (en) * | 1973-09-07 | 1975-08-05 | Gen Signal Corp | Interlocking track circuits |
| US3937427A (en) * | 1975-01-24 | 1976-02-10 | Westinghouse Air Brake Company | Cab signal control circuits for railroad interlockings |
| CS217737B1 (en) * | 1980-04-04 | 1983-01-28 | Oldrich Poupe | Connection of the railway circuit with plural signalling sources |
| US4415134A (en) * | 1980-07-11 | 1983-11-15 | Safetran Systems Corporation | Hall effect track circuit receiving element |
| FR2490569A1 (fr) * | 1980-09-22 | 1982-03-26 | Signaux Entr Electriques | Circuit de voie de chemin de fer perfectionne |
| US4451018A (en) * | 1982-03-10 | 1984-05-29 | General Signal Corporation | Non contact isolated current detector |
| GB8402359D0 (en) * | 1984-01-30 | 1984-02-29 | Westinghouse Brake & Signal | Track circuit |
| GB8413324D0 (en) * | 1984-05-24 | 1984-06-27 | Westinghouse Brake & Signal | Vehicle protection system |
| US4723739A (en) * | 1985-07-16 | 1988-02-09 | American Standard Inc. | Synchronous rectification track circuit |
| US5459663A (en) * | 1993-12-10 | 1995-10-17 | Union Switch & Signal Inc. | Cab signal apparatus and method |
| US6439513B1 (en) * | 2001-09-18 | 2002-08-27 | Union Switch & Signal, Inc. | Passive detection system for levitated vehicle or levitated vehicle system |
| NL1027459C2 (nl) * | 2004-11-09 | 2006-05-10 | Nedap Nv | Spoorwegbeveiliging met toonfrequente spoorstroomlopen. |
| EP2338762B1 (en) * | 2009-12-21 | 2012-09-12 | Alstom Ferroviaria S.P.A. | Track circuit working in two different frequency ranges |
| DE102012108171A1 (de) * | 2012-09-03 | 2014-03-06 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Stillstandsermittlung bei einem Schienenfahrzeug |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB855549A (en) * | 1957-05-27 | 1960-12-07 | Compteurs Et Moteurs Aster | Improvements in railway track-circuits signalling systems |
| GB840011A (en) * | 1957-08-09 | 1960-07-06 | Signaux Entr Electriques | A railway automatic block signalling system employing track circuits |
| US3328580A (en) * | 1964-07-14 | 1967-06-27 | Westinghouse Air Brake Co | Rapid transit speed control system |
| US3359416A (en) * | 1965-03-29 | 1967-12-19 | Gen Signal Corp | Continuous rail track circuits |
| US3345512A (en) * | 1965-05-06 | 1967-10-03 | Westinghouse Air Brake Co | Audio frequency overlay detector track circuit for electric propulsion territory |
| US3328581A (en) * | 1966-06-16 | 1967-06-27 | Westinghouse Air Brake Co | Rapid transit speed control system |
-
1967
- 1967-08-23 US US662711A patent/US3526378A/en not_active Expired - Lifetime
-
1968
- 1968-07-18 GB GB34249/68A patent/GB1199353A/en not_active Expired
- 1968-07-26 DE DE1780040A patent/DE1780040C2/de not_active Expired
- 1968-08-02 BE BE719024D patent/BE719024A/xx unknown
- 1968-08-08 CH CH1189868A patent/CH507830A/de not_active IP Right Cessation
- 1968-08-14 JP JP43057448A patent/JPS4819646B1/ja active Pending
- 1968-08-21 FR FR1577700D patent/FR1577700A/fr not_active Expired
- 1968-08-23 SE SE11415/68A patent/SE344714B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1780040C2 (de) | 1983-07-07 |
| DE1780040A1 (de) | 1972-01-13 |
| SE344714B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1972-05-02 |
| JPS4819646B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-06-15 |
| US3526378A (en) | 1970-09-01 |
| CH507830A (de) | 1971-05-31 |
| GB1199353A (en) | 1970-07-22 |
| FR1577700A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1969-08-08 |