| Patents for B61L 7 - Remote control of local operating means for points, signals, or track-mounted scotch-blocks (350) |
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| 06/02/2004 | CN2618832Y Cipher adhesive detector |
| 06/02/2004 | CN2618831Y Quick-action switch |
| 06/02/2004 | CN1151941C Circuit for controlling and monitoring switch machine |
| 06/02/2004 | CN1151940C Device for safety controlling and monitoring railway electric equipment for signal technology |
| 05/26/2004 | CN1151042C Switch monitor system |
| 04/14/2004 | CN1145912C Control system for railroad colour light signaling devices |
| 12/24/2003 | CN2594104Y Device for checking notch of indicating bar of electric point machine |
| 11/20/2003 | WO2003095284A1 Process connections for the safe operation of safety and security installations |
| 10/08/2003 | CN2578199Y Switch power testing apparatus |
| 10/01/2003 | CN2576559Y Closed-plaster checking device |
| 07/30/2003 | EP1331154A1 Signal lamp |
| 07/30/2003 | CN2563048Y Gap measurer for switcher indication rod |
| 07/24/2003 | US20030136882 Binary data transmission capability incorporated into pulse coded railroad signaling system |
| 07/09/2003 | CN1114179C Circuit for monitoring light signal |
| 07/02/2003 | CN1427783A Method for diagnosing switch points and switch diagnostic device |
| 06/25/2003 | CN2557384Y Direr controller for points |
| 05/07/2003 | EP1309089A1 Power switch for controlling point motor drive |
| 04/10/2003 | DE20301133U1 Electrical contact circuit for railway switch points has monitoring relay and axial contact with two path conductors |
| 03/12/2003 | EP1289818A1 Method for diagnosing switch points and a switch point diagnostic device |
| 02/19/2003 | CN2536469Y Monitor for signs of railway points |
| 01/22/2003 | CN2531985Y Electric switch box detection sensor |
| 01/22/2003 | CN2531984Y Switch detector for abnormal train |
| 11/27/2002 | CN1381372A Microcomputer monitor system for switch |
| 11/27/2002 | CN1381371A Switch monitor system |
| 10/08/2002 | US6463337 Railroad vital signal output module with cryptographic safe drive |
| 04/02/2002 | US6366041 Railway switch machine motor control apparatus |
| 02/27/2002 | CN2478893Y Position sensor for railway point machine |
| 01/30/2002 | CN2474431Y Slip point microcomputer monitoring device |
| 12/13/2001 | DE10023093A1 Verfahren zur Weichendiagnose und Weichendiagnoseeinrichtung Method for Railway switches and turnouts diagnostic device |
| 11/15/2001 | WO2001085523A1 Method for diagnosing switch points and a switch point diagnostic device |
| 11/07/2001 | CN2458209Y Contactless controller for railway signal basic equipment |
| 10/31/2001 | EP1149752A1 Device and method for driving points |
| 10/25/2001 | DE10021271C1 Einrichtung und Verfahren zum Ansteuern von Weichen Apparatus and method for controlling turnouts |
| 07/26/2001 | WO2001054262A1 Railway switch machine motor control apparatus |
| 05/03/2001 | DE19948718A1 Method of operating LED light symbol from light signal circuit for railway signalling lamps ensures disruption caused by switching to secondary filament operation is detected |
| 03/28/2001 | CN2424982Y Railway signal photoelectric integrated cable |
| 03/15/2000 | CN2368764Y Frequency shifting signal generator for railway signal system |
| 03/02/2000 | DE19838672A1 Railway points monitoring and control device |
| 12/16/1999 | DE19826269A1 Circuit for setting and monitoring set of points with several three-phase points drives |
| 12/15/1999 | CN1238281A Switching and monitoring circuit of switch with multiple three-phase current switcher |
| 12/01/1999 | EP0960797A2 Transmission system especially for traffic control systems |
| 11/18/1999 | DE19821141A1 Vorrichtung zur Stromversorgung eines im Betrieb einer Weiche angeordneten elektrischen Verbrauchers und Diagnoseeinrichtung für eine Weiche Device for supplying power to an operation of a switch arranged in the electrical load and diagnostic device for a soft |
| 11/17/1999 | EP0957020A1 Current supply for an electrical consumer in the area of a set of points and diagnostic device for a set of points |
| 08/19/1999 | DE19905916A1 Railway points control system |
| 07/22/1999 | DE19850172A1 Central controller for slowing travel on a section of railway track |
| 07/07/1999 | CN2327584Y Programmable undirectional remote controlled pneumatic points |
| 01/07/1999 | DE19729910A1 Signal light monitoring circuit for railway traffic light |
| 11/04/1998 | CN2296293Y General indication disc for railway signals |
| 06/10/1998 | EP0846290A2 Device for single-channel transmission of data from two sources |
| 04/21/1998 | CA2004563C Current monitoring |
| 02/25/1998 | CN1174146A Circuit for controlling and monitoring point machine |
| 10/29/1997 | CN1163211A Device for safety controlling and monitoring railway electric equipment for signal technology |
| 10/15/1997 | CN1162160A Circuit for monitoring light siganal |
| 09/04/1997 | DE19609264A1 Light signal monitoring circuit esp. for auxiliary signals e.g. railway signalling type |
| 08/14/1997 | DE19606896A1 Light signals setting and monitoring circuit, esp. for railway operations |
| 08/14/1997 | DE19606895A1 Railway points drives controlling and monitoring circuit |
| 08/14/1997 | DE19606894A1 Electronic circuit stage for safe control and monitoring of electrical loads in railway applications |
| 07/30/1997 | CN2258476Y 信号变压器箱 Signal Transformer Box |
| 07/02/1997 | CN1153121A Control system for railroad colour light signaling devices |
| 04/10/1997 | WO1997008617A3 Device for single-channel transmission of data from two sources |
| 03/27/1997 | DE19536819A1 DC voltage monitoring device, for railway signalling system where DC voltage is affected by AC voltage |
| 03/06/1997 | WO1997008617A2 Device for single-channel transmission of data from two sources |
| 02/27/1997 | DE19532639A1 Einrichtung zur einkanaligen Übertragung von aus zwei Datenquellen stammenden Daten Device for single-channel transmission of data originating from two sources data |
| 01/29/1997 | CN2246100Y Electric hydraulic goat |
| 12/27/1996 | EP0749884A2 A control system for railroad colour light signalling devices |
| 12/27/1996 | EP0749883A2 A control system for railroad track switches |
| 10/23/1996 | EP0738973A1 Data transfer method and device |
| 10/02/1996 | EP0734932A2 Monitoring device for outdoor adjustable installations using three phase current drive |
| 04/03/1996 | EP0704365A2 A diagnostic system for railway signalling apparatus |
| 03/29/1995 | CN2193295Y Main indicating notch regulator for railway points mechanism |
| 03/02/1995 | DE4329238A1 Circuit for activating and deactivating intermittent train control devices for railways |
| 03/02/1995 | DE4329235A1 Circuit for activating and deactivating intermittent train control devices for railways |
| 10/26/1994 | CN2180552Y Crossing barrier lamp bell automatic controller |
| 09/21/1994 | CN2177644Y Railway signal element plug |
| 06/22/1994 | EP0422190B1 Installation for remote monitoring and control of the opening and closed state of one among a plurality of contacts |
| 04/20/1994 | EP0592755A1 Hydraulic unit |
| 02/23/1994 | CN2157104Y Sealed signal controller for railway crossing |
| 12/02/1993 | DE4324149A1 Energy saving lighting circuit including emergency back=up - supplies second lamp of pair if first fails or emergency supply is operated |
| 10/13/1993 | CN1077167A Method for monitoring indicating rod notch status of electric goat |
| 08/03/1993 | US5233341 Installation for the remote monitoring and control of the open and closed state of one among a plurality of contacts |
| 07/22/1993 | DE4230898A1 Active and inactive switching circuit for punctiform train influencing units - used in railway system depending on light signal formation at least indirectly by contacts of associated relays delayed in their fall=out via capacitors |
| 07/14/1993 | CN2138068Y Stepless pushing hook lock |
| 04/07/1993 | EP0535764A2 System for transferring date represented in a balanced code to a telegram memory module |
| 04/01/1993 | DE4132389A1 Signal light control and function monitoring circuit - uses test voltage applied across transducer supplying signal lamp function monitor. |
| 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 |
| 08/26/1992 | EP0500201A1 Circuit for monitoring alternating current supplied signal lamps |
| 08/26/1992 | EP0500200A1 Circuit for telemonitoring multiple signal lights |
| 02/19/1992 | CN2096503U High antijamming switch controllor for mine |
| 11/15/1991 | CA2021058A1 Railroad switch machine |
| 09/24/1991 | US5050823 Radio-based railway switch control system |
| 06/19/1991 | EP0432626A2 Circuit for monitoring an alternating current supplied light signal by direct voltages |
| 06/18/1991 | US5025195 Current monitoring |
| 06/05/1991 | EP0430192A2 Radio-based railway switch control system |
| 05/01/1991 | CN1012490B Receiver of electronic door |
| 04/17/1991 | EP0422190A1 Installation for remote monitoring and control of the opening and closed state of one among a plurality of contacts. |
| 01/22/1991 | CA1279390C Facility for monitoring the operation of a signal lamp |
| 12/27/1990 | EP0404143A1 Load monitoring circuit with alternating current working in railway systems |
| 11/07/1990 | CN2065165U Single-rail switching mechanism with four parallel bars |
| 10/24/1990 | CN1010086B Automatic microelectronic block equipment of time count code |
| 10/18/1990 | WO1990012411A1 Installation for remote monitoring and control of the opening and closed state of one among a plurality of contacts |