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| Number | Title | Issue Date |
| 7357359 | Electronic code follower relay An electronic code following relay for use in a railroad signaling system includes a timing circuit for receiving an input square wave signal coded at a pre-determined code rate, and regenerating the input square wave signal at the pre-determined code rate after a p... | 04/15/2008 |
| 7269487 | Method for train positioning In the state that a train moves from a track circuit 3T toward a track circuit 5T, and a train detection signal TD1 is supplied from the boundary between the track circuits 3T and 5T to the track circuits 3T and 5T, a... | 09/11/2007 |
| 7236860 | Method and system for ensuring that a train does not pass an improperly configured device A train control system includes a positioning system and consults a database to determine when the train is approaching a configurable device such as a switch or grade crossing gate. The system continuously interrogates the device to determine its status as the trai... | 06/26/2007 |
| 7206676 | Automated manipulation system and method in a transit system An automated manipulation system is provided for manipulating one or more vehicles in a transit system. The automated manipulation system includes a vehicle control mechanism in communication with a vehicle for receiving, processing and transmitting signals for cont... | 04/17/2007 |
| 7201350 | Signaling safety system A signaling safety system includes transmitter-receiver units for ground-train communication by radio in regular safety operation mode, using a base station and an antenna. The position of each train car is communicated from the cars to a ground train controller whi... | 04/10/2007 |
| 7188341 | Method of transferring files and analysis of train operational data A method of transferring files between a computer on board a train and a remote station including determining if the remote station is within range of the train and establishing wireless communication between the onboard computer and the remote station. Next, the co... | 03/06/2007 |
| 7182298 | Track-guided transport system and method for controlling cars of a track-guided transport system In order to provide a track-guided transport system, and in particular a suspended monorail system, comprising a track network incorporating at least one node at which at least two track sections of the track network adjoin one another and also comprising a pluralit... | 02/27/2007 |
| 7167510 | Method and apparatus for assigning addresses to components in a control system The invention relates to a method and an apparatus for remotely controlling device, more particularly to a system and method for controlling locomotives in a railway environment using radio frequency signals. This invention makes use of a remote operator programming... | 01/23/2007 |
| 7164709 | Method and apparatus for assigning addresses to components in a control system The invention relates to a method and an apparatus for remotely controlling device, more particularly to a system and method for controlling locomotives in a railway environment using radio frequency signals. This invention makes use of a remote operator programming... | 01/16/2007 |
| 7099754 | Signal safety method, signal safety apparatus and signal safety system In order to propose a method of promptly judging movement of a train between block sections with a minimum number of transponders, an on-ground train control part for controlling operation of a train; an on-ground communication means capable of performing communicat... | 08/29/2006 |
| 7096096 | Method and system for automatically locating end of train devices An end of train unit includes a positioning system such as a GPS receiver and is configured to transmit a message including the EOT unit's location when the EOT unit detects a loss of air pipe pressure and/or it is tipped over and/or a low battery condition is detec... | 08/22/2006 |
| 6996461 | Method and system for ensuring that a train does not pass an improperly configured device A train control system includes a positioning system and consults a database to determine when the train is approaching a configurable device such as a switch or grade crossing gate. The system continuously interrogates the device to determine its status as the trai... | 02/07/2006 |
| 6980894 | Method of managing interference during delay recovery on a train system The present invention provides methods for preventing low train voltages and managing interference, thereby improving the efficiency, reliability, and passenger comfort associated with commuter trains. An algorithm implementing neural network technology is used to p... | 12/27/2005 |
| 6959233 | Automated voice transmission of movement authorities in railroad non-signaled territory A method and system to authorize a locomotive engineer to move a train along the track in a non-signaled territory wherein a non-verbal movement authority is generated, converted to verbal form via voice synthesis, communicating to the designated train, and accepted... | 10/25/2005 |
| 6915191 | Method and system for detecting when an end of train has passed a point A controller determines that an end of train (EOT) has passed a point through the use of positioning systems at the head of the train (HOT) and the EOT. In a first method, the controller obtains the HOT position at a point of interest from the HOT positioning system... | 07/05/2005 |
| 6903658 | Method and system for ensuring that a train operator remains alert during operation of the train A train control system requires a train operator to enter signal aspect information at each wayside signal position on a railroad and stops the train if the operator fails to enter aspect information without communicating with the wayside signal device to verify tha... | 06/07/2005 |
| 6827023 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second client program... | 12/07/2004 |
| 6666411 | Communications-based vehicle control system and method A vehicle control system and method in which a plurality of beacon tags are disposed along a length of a track for a predetermine number of blocks. The beacon tags each provide information pertaining its location. Each vehicle that passes along the track ... | 12/23/2003 |
| 6633784 | Configuration of a remote data collection and communication system A method and apparatus for modifying configuration information used to control an on-board monitor located aboard a locomotive. Under the control of a remote monitoring and diagnostic center, the on-board monitor periodically collects information from the... | 10/14/2003 |
| 6592081 | Electronic code generating circuit for use in railroad signaling systems An electronic code transmitter is disclosed for driving a number of code following relays of a railroad signaling system. The electronic code transmitter comprises a timing circuit and a driving circuit. The timing circuit generates, at a predetermined co... | 07/15/2003 |
| 6539292 | Using location-influenced behavior to control model railroads New methods and techniques are presented for utilizing digital information transmitted by a moving device (such as a model locomotive on a model railroad) to allow the moving device to itself influence the way it is controlled and allowing a moving device... | 03/25/2003 |
| 6530329 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second cli... | 03/11/2003 |
| 6267061 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second cli... | 07/31/2001 |
| 6065406 | Model train control system A system which operates a digitally controlled model railroad transmitting a first command from a first client program to a resident external controlling interface through a first communications transport. A second command is transmitted from a second cli... | 05/23/2000 |
| 5950966 | Distributed positive train control system A system for controlling train movement uses a distributed architecture. Wayside controllers receive signals from individual trains, including position information derived from a navigation system. The wayside controllers interface with a central train co... | 09/14/1999 |
| 5947423 | Vehicle control system A vehicle control system issues control signals to vehicles to control their movements along a route between a first location and a second location, the vehicles comprising a set of vehicles of a first type, to which the system can issue control signals a... | 09/07/1999 |
| 5823481 | Method of transferring control of a railway vehicle in a communication based signaling system A method is provided for transferring control of a railway vehicle from a controlling wayside controller that controls a first zone within which the railway vehicle was previously positioned, to an adjacent wayside controller that controls a second zone w... | 10/20/1998 |
| 5785283 | System and method for communicating operational status of a railway wayside to a locomotive cab A system and method of communicating via digital radio between a train and a device positioned at the wayside of a railway system, wherein the device detects defects at the wayside and information related to the defects is transmitted from the wayside to ... | 07/28/1998 |
| 5533695 | Incremental train control system A train control system employs a series of wayside control units spaced along the track, each of which has responsibility for the control of trains in a corresponding local area and monitors track availability and signal status in its local area. Each way... | 07/09/1996 |
| 5474267 | Method and device for a smooth and timely deceleration or stop in automatic train control A method and device for effecting a fast but smooth deceleration or stopping of trains controlled under the automatic train control (ATC) system. Under ATC, a permitted maximum velocity is provided as an "ATC condition" to activate the brake system of the... | 12/12/1995 |
| 5398894 | Virtual block control system for railway vehicle A virtual block system is provided in which a section of track is represented by a zone having a plurality of virtual track circuits. Communication between wayside and the vehicle is established within the zone, and may be used to provide the initial posi... | 03/21/1995 |
| 5263669 | Railway cab signal transmitter A transmitter for transmitting cab signal and track signal currents to a pair of rails includes the circuitry for mitigating runby currents which are not fully shunted by the rail vehicle. High runby currents at the leaving end of a block are reduced by s... | 11/23/1993 |
| 4495578 | Microprocessor based over/under speed governor A vehicle carried profile generator generates a speed profile to control a vehicle governor at the transition from a higher to lower speed limit. The speed profile is calculated and checked to ensure it starts at a valid speed limit, continually decreases... | 01/22/1985 |
