| Patents for B61L 1 - Devices along the route controlled by interaction with the vehicle or vehicle train (1,907) |
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| 08/30/1995 | CN2206236Y Small transformer plugging device for railway signal combination |
| 08/23/1995 | EP0668203A1 Axle counter with variable threshold setting |
| 08/02/1995 | CN2204260Y Unsymmetrical pulse track-circuit electronic receiving device |
| 07/19/1995 | EP0662898A1 Process for correcting axle counting errors in railway layouts and device for implementing the process. |
| 06/21/1995 | CN2201309Y Railway signal phase-sensing transducer |
| 06/21/1995 | CN2201308Y Console mounted by unit lattices and unit blocks |
| 06/14/1995 | EP0657337A1 Fixation method of the scan area of vehicle actuated measuring devices and device for setting up and adjusting measuring devices at railways relative to wheel sensors |
| 06/11/1995 | CA2137583A1 Procedure for establishing the scanning range of vehicle-activated measuring equipment, as well as equipment for the adjustment and tuning of measuring equipment on tracks relativeto wheel sensors |
| 05/31/1995 | CN2199109Y Composite insulating part for railway rail |
| 05/23/1995 | US5417388 Train detection circuit |
| 04/12/1995 | CN2194310Y 车轮感应器 Wheel Sensor |
| 03/25/1995 | CA2106908A1 Railway cab signal |
| 03/07/1995 | US5395078 Low speed wheel presence transducer for railroads with self calibration |
| 02/23/1995 | WO1995005302A1 Arrangement for detecting preferably high-speed train wheels |
| 01/26/1995 | DE4421327A1 Warning system |
| 12/20/1994 | US5374016 Device for catching wheel deviations for track switches or crossing having tube mounted strain gauges for measuring sensing head displacement |
| 12/07/1994 | CN1095996A Coding track circuit with audio signal data of locomotives |
| 11/23/1994 | EP0625460A1 Railway track circuits |
| 11/21/1994 | CA2116911A1 Railway track circuits |
| 11/17/1994 | EP0624507A1 Impedance bonds |
| 11/09/1994 | EP0623499A1 Method for clear track, signalling by axle counting with automatic correction of count errors |
| 10/26/1994 | CN2180551Y Screw rivet welding type plug nail track end connecting wire |
| 10/25/1994 | US5358202 Cab signal track code analyzer system |
| 10/18/1994 | US5357151 Intrinsically safe logic and-circuit having two inputs |
| 09/15/1994 | WO1994020349A1 Method of operating an axle-counting system and a device for carrying out the method |
| 09/14/1994 | EP0463127B1 Arrangement for identifying an object by means of structure-borne noise, and use of said arrangement |
| 09/07/1994 | CN2176300Y Fault detector for electric circuits of railway |
| 09/01/1994 | WO1994019223A1 Circuit for checking the operation of free track signalling relays |
| 08/24/1994 | CN2175157Y Portable device for testing polarity of track ac electric circuit |
| 08/17/1994 | CN2174382Y Railway electric circuit steel wire rope connection line cross rail fixed card |
| 08/02/1994 | US5333820 Railway vehicle wheel detector utilizing magnetic differential bridge |
| 07/19/1994 | US5331288 Railroad rail signal receiver having frequency conversion and a resonant tuned transformer secondary |
| 07/19/1994 | US5330136 Railway coded track circuit apparatus and method utilizing fiber optic sensing |
| 07/19/1994 | US5330135 Railway track circuits |
| 07/19/1994 | US5330134 Railway cab signal |
| 06/09/1994 | DE4240478A1 Axle counting and travel direction detection system at specific railway track point - has at least two sensors displaced relative to each other and fixed at one rail or two rails of track as well as one generator and two transmitters and two receivers |
| 06/07/1994 | CA1330120C Device for determining the condition of railway switches or railway crossings |
| 05/19/1994 | DE4238151A1 Measuring temp. of railway vehicles and components - involves measuring infrared radiation of moving vehicle and comparing profile with known signal patterns |
| 05/04/1994 | CN1086181A Method and apparatus for correcting erros of axle-counting device in railway |
| 04/27/1994 | CN2163114Y Far infrared shaft temp. detector probe rail clamping device |
| 04/14/1994 | WO1994007730A1 Process for correcting axle counting errors in railway layouts and device for implementing the process |
| 04/13/1994 | EP0592031A1 System and sensor for detecting trains |
| 04/07/1994 | DE4233546A1 Verfahren zum Korrigieren von Achszählfehlern in Eisenbahnalagen sowie Einrichtung zur Durchführung des Verfahrens A method for correcting Achszählfehlern in Eisenbahnalagen and means for carrying out the method |
| 03/10/1994 | DE4325018A1 Railway switch generating signal upon passing wheel for evaluating circuit - has position sensor monitoring its installed position w.r.t. stipulated position |
| 03/09/1994 | EP0500757B1 Improvements in railway signalling systems |
| 03/09/1994 | CN2158370Y Language alarming device for railway train |
| 02/02/1994 | EP0581399A1 Signaling system |
| 01/05/1994 | DE4316980A1 Railside detector registering presence of rail-borne wheel - has twin oscillator and detector coils spaced along rail for reliable presence, speed and direction indication. |
| 01/05/1994 | CN1023386C Narrow-pulse track circuit equipment |
| 12/23/1993 | DE4220130A1 Track occupation signalling system for railway network - evaluates received signals obtained from transmitters at front and rear end of each train |
| 12/22/1993 | EP0575308A1 Running wheel deviation detection for railway points or crossings |
| 12/21/1993 | US5271584 Pulse code railway signalling system |
| 12/08/1993 | EP0573131A1 Centre supply device for track circuit |
| 12/02/1993 | DE4217694A1 Monitoring of voltage signals used to control railway relay circuit - has voltages generated by separate transformers with outputs to phase comparator based circuit controlling relay. |
| 12/01/1993 | CN2148001Y Rail circuit demarcation point decision device |
| 11/30/1993 | US5265831 Arrangement for detecting an object by means of sound conducted through a solid body and method of using such arrangement |
| 10/28/1993 | DE4213810A1 Mobile movement determining and switching unit for determining movement of train - switches on connection variables for activating early warning system achieved using single wheel of train |
| 09/15/1993 | EP0560262A1 Load-related switching signals generating method on railway tracks |
| 09/07/1993 | US5242136 Railway signalling systems |
| 08/25/1993 | EP0556805A2 Fail-safe information processing system |
| 06/17/1993 | DE4141731A1 Verfahren und einrichtung zur signaltechnisch sicheren eingabe binaerer signale in ein signaltechnisch sicheres rechnersystem Method and device for fail-safe input of binary signals in a fail-safe computer system |
| 06/16/1993 | EP0546647A2 Method and device for secure signal inputting of binary signals in a signal secure computer system |
| 06/16/1993 | CN2136181Y Voltag regulating assembly for asymmetric pulse signalling apparatus |
| 06/15/1993 | US5219426 Single-element coded alternating current railway track circuit having double-element, phase-selective capability |
| 04/28/1993 | EP0539046A2 Railway track circuits |
| 04/24/1993 | CA2079864A1 Railway track circuits |
| 04/14/1993 | CN1070881A Asymmetrical impulsing sender voltage-stabilizing device |
| 04/01/1993 | DE4235256A1 Railway safety equipment monitoring position of end of train end by detecting transmitter - checks position using static rail-free report unit and, after leaving rail section, train end transmitter signal is located for comparison with theoretical data. |
| 04/01/1993 | DE4132393A1 Sensor equipment for rail contact - has compactor halting input of clock pulses to counter when voltage from counter resistor network reaches certain value |
| 04/01/1993 | DE4132392A1 Sensor equipment for rail contact - compares output of pulse counter network with oscillator output with comparator circuit conveyed to processor |
| 04/01/1993 | DE4132388A1 Digital 2 from 3 selection circuit - has four opto-couplers, with two at data channel with their transmit diodes in series |
| 03/17/1993 | CN2128224Y Electronic pulser |
| 03/10/1993 | EP0530743A2 Detection arrangement of railway vehicle wheels |
| 03/03/1993 | CN2127694Y Photoelectric coupling frequency-shift transmitter monitoring box |
| 11/25/1992 | CN2122792U Permanent magnet sensor for measuring speed of railway vehicles |
| 11/19/1992 | EP0513129A1 Track circuit system. |
| 10/27/1992 | US5158253 Railway track mounting arrangement |
| 09/30/1992 | CN2117300U High quality rail insulation |
| 09/08/1992 | US5145131 Master-Satellite railway track circuit |
| 09/02/1992 | EP0500757A1 Improvements in railway signalling systems. |
| 08/26/1992 | CN2113923U Magnetic-driven multi-channel sensor |
| 08/13/1992 | DE4129138C1 Rail vehicle wheel sensor system - uses metal detecting inductive sensors arranged symmetrically on rail and suppresses interference to enable differentiation between flanged and flangeless wheels |
| 07/28/1992 | US5133521 Railroad flat wheel detectors |
| 07/14/1992 | US5129606 Railway wheel sensors |
| 07/01/1992 | CN1062328A Code track circuit without insulation |
| 06/17/1992 | DE4104612C1 Switch contact for railway track - has actuator mounted rotatably between rails to drive switch |
| 06/11/1992 | DE4121168A1 Optical barrier safety system - is for vehicles on rails and verifies correct location and speed of vehicles entering and leaving sections of track between road crossings |
| 05/20/1992 | CN2104797U Electronic high voltage pulsive circuit devive of railway track |
| 05/13/1992 | CN1061002A Narrow-pulse track circuit equipment |
| 04/30/1992 | DE4034032A1 Electrical insulation for railway track rails - uses insulating insert beneath angle guide plate receiving sleeper pin |
| 04/22/1992 | CN2102227U High-quality track sensor |
| 03/17/1992 | US5096147 In-circuit contact monitor |
| 03/10/1992 | US5094413 Device for the protection of track relays from electrical disturbances |
| 02/12/1992 | EP0470416A2 Track circuit with cross-correlation |
| 01/30/1992 | DE4123837A1 Fixture for railway track switch adjustable in height - incorporates trapezoidal guides for slider bolted to attachment enabling switch housing to be lowered as necessary |
| 01/02/1992 | EP0463127A1 Arrangement for identifying an object by means of structure-borne noise, and use of said arrangement. |
| 12/25/1991 | CN1057235A Audio-frequency impulse railway circuit device |
| 12/19/1991 | DE4018999A1 Railway vehicle wheel detector with breakaway electric conductor - signals unserviceability of mechanically damaged detector to remote processing station by interruption of oscillator power line |
| 11/06/1991 | CN1014595B Automatic regulation system for voice-frequency track circuit |
| 10/08/1991 | US5054722 Road-rail shunt |