| Patents for G08G 1 - Traffic control systems for road vehicles (61,183) |
|---|
| 10/21/1981 | EP0038268A1 Intersection controller with command-phase signal groups and its method |
| 10/20/1981 | US4296496 Emergency radio frequency warning device |
| 10/20/1981 | US4296401 Inductive vehicle detector |
| 10/20/1981 | US4296400 Installation for control of a traffic light system by vehicles having an automatic location determination |
| 10/06/1981 | US4293841 Pedestrian traffic control system |
| 09/29/1981 | US4292686 Tuning system for receiver of pilot-modulated carrier waves |
| 09/23/1981 | EP0036119A1 Vehicle localisation system |
| 09/22/1981 | US4291373 Navigational information announcing system for motor vehicle |
| 09/16/1981 | EP0035960A1 Method and device for the distinction of vehicles of different constructions in road traffic |
| 09/15/1981 | US4290136 Circuit arrangement for monitoring the state of signal systems, particularly traffic light signal systems |
| 09/09/1981 | EP0035041A1 Lane-security system for motor vehicles giving optical signals and alarm |
| 09/08/1981 | US4288689 Automatic vehicle identification system and method |
| 09/02/1981 | EP0034993A1 A video system for assisting automobile traffic |
| 08/19/1981 | EP0033730A1 Activate signal traffic control system |
| 08/18/1981 | US4284971 Overheight vehicle detection and warning system |
| 08/11/1981 | US4283101 Rotatable lamp socket for incandescent pedestrian traffic signal, or the like |
| 08/05/1981 | EP0033218A1 A message broadcasting and/or receiving system |
| 08/05/1981 | EP0033124A1 Object and person identifying and information transmission system |
| 07/28/1981 | US4281354 Apparatus for magnetic recording of casual events relating to movable means |
| 07/14/1981 | CA1105098A1 Pulse width discriminator |
| 07/07/1981 | US4277693 Apparatus for providing a time controlled output |
| 07/01/1981 | EP0031046A2 Device for data secure control and supervision of electric equipments |
| 06/30/1981 | US4276539 Vehicle detection systems |
| 06/03/1981 | EP0029673A1 Object detection installation |
| 06/02/1981 | US4271512 Information collection and storage system with memory test circuit |
| 06/02/1981 | US4271408 Colored-light emitting display |
| 05/27/1981 | EP0029201A1 Method for traffic coverage in a guiding and information system for individual traffic |
| 05/26/1981 | US4270187 Activator units for identification systems and systems employing same |
| 04/28/1981 | US4264890 Blinking signal-light system, especially for a series of emergency-phone stations distributed along the length of a highway, or the like |
| 04/21/1981 | US4263595 Apparatus for identifying objects and persons |
| 04/07/1981 | CA1098989A1 Detection plate for an identification system |
| 03/24/1981 | US4258430 Information collection and storage system with removable memory |
| 03/24/1981 | US4258351 System for collection and transmission of road traffic information |
| 03/18/1981 | EP0025388A1 Measuring device for a road traffic parameter and signalling system comprising such a device |
| 03/18/1981 | EP0025193A1 Guidance system for individual traffic and method of conveying guiding information |
| 03/17/1981 | US4257029 Traffic control system |
| 03/11/1981 | EP0025016A1 Device in a line-vehicle for wireless transmission of particulars concerving its location |
| 03/10/1981 | US4255738 Device for detecting unwanted signal combinations of two signal lamps in traffic lights |
| 03/10/1981 | US4255737 Traffic signal with time duration indicator and mechanical synchronization |
| 02/24/1981 | US4253083 Traffic signal system for blind people |
| 02/24/1981 | US4252995 Radio broadcasting system with transmitter identification |
| 02/24/1981 | CA1096505A1 Measurement and recording apparatus and system |
| 02/18/1981 | EP0024010A1 Information transmitting system for vehicles |
| 02/17/1981 | US4251801 Mobile data communication system |
| 02/17/1981 | US4251797 Vehicular direction guidance system, particularly for interchange of information between road mounted units and vehicle mounted equipment |
| 02/11/1981 | EP0023600A1 Method and circuit arrangement for detecting the entry and/or the departure of a vehicle, especially a road vehicle, into or from a specified surveillance area |
| 02/10/1981 | US4250483 System for signalized intersection control |
| 02/05/1981 | WO1981000317A1 Activate signal traffic control system |
| 02/04/1981 | EP0023434A2 Commodity handling system |
| 01/27/1981 | US4247768 Vehicle velocity related measuring systems |
| 01/20/1981 | US4246440 Radio broadcasting system with code signalling |
| 01/13/1981 | CA1093657A1 Warning method and system for road signalling with authorized speed display |
| 01/07/1981 | EP0021250A1 Traffic signal systems |
| 01/07/1981 | EP0021062A2 Method for performing a plausibility test concerning successively occurring time information in traffic-light systems |
| 01/07/1981 | EP0021061A1 Traffic signalling system |
| 01/07/1981 | EP0021060A1 Guiding system for individual traffic |
| 01/07/1981 | EP0021059A1 Method and circuit arrangement for synchronising the operation of control devices, especially road traffic signalling systems |
| 01/07/1981 | EP0020939A1 Method and device for guiding terrain vehicles |
| 01/07/1981 | EP0020879A1 Optical electronic distance sensor |
| 12/30/1980 | US4242731 Navigational information indicator for supplying a vehicle driver with make-turn instructions |
| 12/30/1980 | US4242661 Device for registration of objects |
| 12/30/1980 | CA1092701A1 Method and device for supervising the speed of an object |
| 12/30/1980 | CA1092687A1 Object identification system |
| 12/23/1980 | US4241326 Electronic traffic control and warning system |
| 12/16/1980 | US4240063 Visor assembly for pedestrian traffic signal |
| 12/16/1980 | US4239415 Method of installing magnetic sensor loops in a multiple lane highway |
| 12/09/1980 | US4238829 Vehicle locating apparatus |
| 12/09/1980 | US4238778 System for warning the approach of an emergency vehicle |
| 11/27/1980 | WO1980002616A1 Process for regulating the traffic of vehicles,device for implementing such process and application of such process to traffic simulation |
| 11/26/1980 | EP0019559A1 Method of regulating vehicular traffic, device for carrying out this method and application of this device to traffic simulation |
| 11/18/1980 | US4234967 Optical signal transmitter |
| 11/11/1980 | US4233523 Pressure sensitive device |
| 11/04/1980 | US4232285 Electromagnetic detector responsive to a modification of a magnetic field |
| 11/04/1980 | CA1089069A1 Control system with improved communication for centralized control of vehicles |
| 10/28/1980 | US4230992 Remote control system for traffic signal control system |
| 10/21/1980 | US4229726 Portable electronic traffic event recorder |
| 10/21/1980 | US4229724 Vehicle position indicator with selectable position alarm means |
| 10/14/1980 | US4228519 Monitoring method and system for a parking lot |
| 10/14/1980 | US4228419 Emergency vehicle traffic control system |
| 09/23/1980 | US4224596 Object locator system employing variable frequency code tone generators |
| 09/16/1980 | US4223295 Emergency control system for traffic signals |
| 09/02/1980 | US4220946 Device for controlling the running of urban transport vehicles |
| 08/26/1980 | US4219802 Scanning barrier for the discrimination and counting of objects and more specifically of vehicles in transit through a laminar barrage of electromagnetic microwaves |
| 08/19/1980 | US4218702 Means for remote control of an aircraft video system for surveying ground activity |
| 08/12/1980 | US4217582 Radar system for detecting approaching vehicles from behind |
| 08/12/1980 | US4217549 Device for two-way information link |
| 08/06/1980 | EP0013706A1 System for automatically monitoring the charging state of the mains independent power supply and the humidity in the responder of a vehicle location system |
| 08/05/1980 | US4216520 Speed restriction control device for vehicles, particularly motor vehicles |
| 07/29/1980 | USRE30355 Traffic flow control system |
| 07/29/1980 | US4215405 Method and apparatus for securing the intermediate time durations in street traffic signal systems |
| 07/22/1980 | US4214265 Method and device for supervising the speed of an object |
| 07/15/1980 | CA1081839A1 Vehicle-type discriminator |
| 07/08/1980 | CA1081340A1 Interval timer |
| 06/26/1980 | WO1980001313A1 Device for reducing the external light reflections in a light signal |
| 06/25/1980 | EP0012430A1 Device for reducing the reflection of light in traffic lights, caused by external light sources |
| 06/24/1980 | US4209783 Object identification system |
| 06/17/1980 | US4208658 Radar-operated vehicle safety assurance system |
| 06/17/1980 | US4208630 Narrow band paging or control radio system |
| 06/11/1980 | EP0012021A1 Radio receiver |
| 06/11/1980 | EP0012001A2 Traffic barriers |