| Patents for B61L 1 - Devices along the route controlled by interaction with the vehicle or vehicle train (1,907) |
|---|
| 04/14/1988 | DE3634696A1 Device for monitoring a section of track |
| 04/07/1988 | WO1988002326A1 Device for detecting vehicle on track |
| 03/31/1988 | DE3632316A1 Vehicle detector |
| 02/24/1988 | CN87201102U Wheel magnetoscope with anti-electromagnetic field interference |
| 02/23/1988 | US4727372 Detection system |
| 02/03/1988 | CN87203651U Shunt resistor wire device of rail circuit |
| 12/12/1987 | CN86211059U Rail measuring sensor with build-in magnet and electronic switch |
| 12/10/1987 | DE3712833A1 Safety control device |
| 11/19/1987 | DE3616750A1 Track circuit for railway systems |
| 10/15/1987 | DE3612546A1 Contactless railway track switch |
| 09/24/1987 | DE3608821A1 Device for issuing track section-release indications |
| 07/22/1987 | EP0229443A1 Method and apparatus for identifying the components of a signal |
| 07/01/1987 | CN86202117U Closed-circuit type movement detector for train |
| 06/19/1987 | DE3544478A1 Remote-control for railway safety systems |
| 06/09/1987 | US4672223 Proving safe operation |
| 04/28/1987 | US4661880 Failsafe monitoring system with input controlled switch circuits |
| 04/23/1987 | DE3537588A1 Rail contacting device in railway systems, particularly for axle counting devices |
| 04/08/1987 | EP0217297A2 Track circuit with or without insulated joints for railway systems |
| 04/01/1987 | CN86106042A Method and apparatus for identifying the components of a signal |
| 03/25/1987 | CN86201284U Impulse short track circuit receiver working at high voltage with high sensitivity |
| 03/24/1987 | US4652986 Vital inverter driver |
| 02/24/1987 | US4645148 Fail-safe voltage-limiting circuit for an audio frequency overlay track circuit |
| 02/24/1987 | CA1218444A1 Proving safe operation system for automatic train |
| 02/10/1987 | CA1217848A Proving safe operation system for automatic train |
| 01/31/1987 | CN86103414A Microcomputer axle-counting close device |
| 01/13/1987 | US4636933 Power control circuit with digital pulse width control |
| 12/23/1986 | US4630792 Railway wheel detector |
| 11/26/1986 | CN85104102A Electron valve rail relay current |
| 11/26/1986 | CN85104101A Reverse controlled valve rail current transformer |
| 11/20/1986 | EP0202200A2 Device for the protection of track relays from electrical disturbances |
| 11/18/1986 | US4623850 Vital code generating circuit |
| 11/11/1986 | US4622522 Track circuit for AC electrified railways |
| 10/28/1986 | US4619425 Pulse code system for railroad track circuits |
| 10/22/1986 | CN85102983A Preventive system for trains collision accident on railway |
| 09/24/1986 | CN85201606U Axle counting device comprising magnetic detector and wave-shaping amplifying circuit |
| 08/26/1986 | CA1210490A1 Vital track circuit wheel detector |
| 07/02/1986 | CN85108123A Automatic identifying system of railway car |
| 06/04/1986 | EP0183406A1 Fail-safe output switching circuit |
| 04/29/1986 | CA1203879A1 Non contact isolated current detector for track rails |
| 04/15/1986 | US4582279 Modulation system for railway track circuits |
| 03/26/1986 | EP0175515A1 Low distortion limiter circuit |
| 03/18/1986 | CA1202097A1 Railroad car wheel detector using hall effect element |
| 03/11/1986 | US4575031 Device for detecting the unbalance between the two fractions of the return traction current in the rails of a railroad track |
| 03/10/1986 | CN85106265A Improvement of alternating continuance railway cirucit transmitting and receiving equipment |
| 03/05/1986 | EP0173445A2 Power control circuit |
| 02/18/1986 | US4570882 Vital track circuit wheel detector |
| 11/26/1985 | CA1197310A1 Microprocessor based track circuit for occupancy detection and bidirectional code communication |
| 10/16/1985 | EP0158011A2 Circuit arrangement for monitoring the presence of railway vehicles in predetermined section blocks |
| 10/09/1985 | EP0157099A2 Circuit arrangement for monitoring the presence of railway vehicles in predetermined section blocks |
| 09/24/1985 | CA1194120A1 Circuit for detecting unbalance of the traction current in a track circuit |
| 08/20/1985 | US4535959 Vital solid state relay for railroad alternating current track circuits |
| 07/24/1985 | EP0148995A2 Circuit arrangement for the verification of the in-sequence start-up of a dual-channel fail-safe microcomputer sequential logic system, in particular for railway security equipment |
| 07/16/1985 | CA1190636A1 Vital protection arrangement for railroad track circuits |
| 06/25/1985 | US4524932 Railroad car wheel detector using hall effect element |
| 06/18/1985 | CA1189178A1 Pulse code system for railroad track circuits |
| 06/11/1985 | CA1188784A1 Transit vehicle shunt determination |
| 05/07/1985 | CA1186789A1 Axle sensor for rail vehicle |
| 04/02/1985 | US4509024 For use in an electrified railroad |
| 02/13/1985 | EP0133006A2 Safe operation proving of electronic circuits |
| 02/13/1985 | EP0133005A2 Safe operation proving of a controlled system |
| 02/13/1985 | EP0133004A2 Proving of the safe operation of a single channel processing arrangement |
| 02/12/1985 | US4498650 Microprocessor based track circuit for occupancy detection and bidirectional code communication |
| 01/22/1985 | US4494717 Vital transmission checking apparatus for communication channels |
| 01/09/1985 | EP0130226A1 Axle counting arrangement for railway vehicles |
| 01/08/1985 | CA1180785A1 Vital transmission checking apparatus for communication channels |
| 01/01/1985 | US4491290 Train defect detecting and enunciating system |
| 11/28/1984 | EP0126693A1 Support plate for an electronic detector |
| 11/27/1984 | CA1178713A1 Vital timer |
| 11/27/1984 | CA1178688A1 Polarity sensitive solid state relay |
| 11/07/1984 | EP0123774A1 Method of identification of waggons in a fast running train and device for carrying out the method |
| 10/02/1984 | CA1175502A1 Electronic security memory |
| 09/18/1984 | US4472789 Vital timer |
| 09/04/1984 | US4469298 Axle sensor |
| 08/22/1984 | EP0116293A1 Modulation system for railway circuits |
| 08/21/1984 | US4467430 Railway track circuit |
| 07/17/1984 | CA1171176A1 Fail-safe decoder for digital track circuits |
| 07/17/1984 | CA1171162A1 Railway track circuit with switching means |
| 07/10/1984 | CA1170752A1 Test set for railway cab signal system |
| 07/04/1984 | EP0112444A2 Device for track-free signalling, train location and velocity measurement |
| 06/13/1984 | EP0110261A1 Device for detecting the unbalance between the two fractions of the return traction current in the rails of a railroad track |
| 06/05/1984 | CA1168728A1 Fail-safe magnetic sensing arrangement |
| 06/05/1984 | CA1168726A1 Railroad car wheel detector |
| 05/29/1984 | US4451018 Non contact isolated current detector |
| 05/29/1984 | CA1168319A1 Low frequency oscillator with a fail safe tuning fork |
| 05/22/1984 | US4449685 Coupling for inducing a current in the rails of a railroad track |
| 05/22/1984 | CA1167953A1 Current induction loop in both rails of a track |
| 04/17/1984 | CA1165837A1 Bearing heat signal processing circuit |
| 04/10/1984 | CA1165422A1 Self adjusting wheel bearing heat signal processing circuit |
| 03/20/1984 | US4437632 Reset apparatus for railroad track circuits |
| 02/21/1984 | US4432517 Circuit for detecting unbalance of the traction current in a track circuit |
| 11/22/1983 | US4417229 Means for use on a railroad to distinguish between traction current and signal current |
| 11/15/1983 | US4415134 Hall effect track circuit receiving element |
| 10/04/1983 | US4407470 Code reset apparatus for railroad track circuits |
| 10/04/1983 | CA1154855A1 Solid-state, synchronous detector railroad track relay device |
| 09/27/1983 | CA1154525A1 Track circuit principle wheel detector |
| 08/30/1983 | US4402034 Polarity sensitive solid state relay |
| 07/12/1983 | US4392626 Vital protection arrangement for railroad track circuits |
| 07/12/1983 | US4392625 Circuit arrangement for a track circuit with multiple signal sources |
| 06/21/1983 | US4389033 Broken rail/bond detectors |
| 06/21/1983 | CA1148642A1 Electronic track current switching relay system |