| Patents for G08G 1 - Traffic control systems for road vehicles (61,183) |
|---|
| 07/03/1990 | US4939662 Navigation apparatus |
| 07/03/1990 | US4939512 Modular, non-metallic, hard shell, predimensioned, preformed and sealed induction loop vehicle detection system and method of installation |
| 06/28/1990 | WO1990005969A3 Traffic congestion monitoring system |
| 06/28/1990 | DE3932029A1 Position recognition device for vehicles in monitor zone - has separate position transmitters received and reradiated by vehicle along with marker |
| 06/28/1990 | DE3843245A1 Device for optically signalling in road traffic |
| 06/27/1990 | EP0375580A1 Device for indicating a road block for motor vehicles and a pedestrian crossing |
| 06/27/1990 | EP0374996A1 FM-receiver |
| 06/27/1990 | CN2058775U Laser-transmitting bar-code recognizer |
| 06/26/1990 | US4937753 Route end node series preparing system of navigation apparatus |
| 06/26/1990 | US4937752 An apparatus for correcting distance error in a navigation system |
| 06/26/1990 | US4937751 Course guiding system for a vehicle |
| 06/26/1990 | US4937581 Electronic identification system |
| 06/26/1990 | US4937570 Route guidance display device |
| 06/21/1990 | DE3840888A1 Traffic display device |
| 06/21/1990 | CA2006234A1 Automatic site surveillance method and apparatus |
| 06/20/1990 | EP0373386A2 Motor vehicle driver information apparatus |
| 06/12/1990 | US4932617 System for transmitting broadband data and/or instructions between a moving element and a control station |
| 06/07/1990 | DE3920309C1 Mobile traffic warning unit for motorway - has energy source e.g. battery for motor which drives carriage and warning light |
| 06/07/1990 | DE3840697A1 System for warning vehicle drivers who are driving their motor vehicles in the wrong direction of travel |
| 06/05/1990 | US4931793 System for providing a warning when vehicles approach a common collision point |
| 05/31/1990 | WO1990005969A2 Traffic congestion monitoring system |
| 05/30/1990 | EP0370915A1 Device and system for isofrequencial broadcasting with reduced interfrequencies |
| 05/30/1990 | EP0370544A2 Traffic survey sensor |
| 05/29/1990 | US4929942 Lighting peg |
| 05/29/1990 | CA1269650A1 Motor vehicle garaging safety methods, apparatus and systems |
| 05/23/1990 | EP0369539A1 Bucket-oriented route planning method, and navigation system comprising a route planner for carrying out such a method |
| 05/22/1990 | US4928101 Anti-collision sensor |
| 05/17/1990 | WO1990005349A1 Radio tracing system to locate a transmitter |
| 05/17/1990 | WO1990005076A1 Vehicle security camera |
| 05/16/1990 | EP0367935A2 Location and navigation system for mobile radio stations |
| 05/15/1990 | US4926336 Route searching system of navigation apparatus |
| 05/15/1990 | US4925335 Prefabricated continuous roadmarking tape having optical and electromagnetic function |
| 05/14/1990 | EP0274526A4 Transponder device. |
| 05/10/1990 | DE3923207A1 Automatic sound level adjuster for car audio system - has ARI receiver and variable amplifying circuit deriving compensating valve from noise and audio signals |
| 05/10/1990 | DE3911916A1 Automatic road sign traffic recognition method - transmitting corresp. signal from sign for reception driver console after evaluation |
| 05/03/1990 | WO1990004834A1 Transportation dispatch and delivery tracking system |
| 05/03/1990 | WO1990004528A1 Warning device in a motor vehicle for detection of unintentional change of course |
| 05/01/1990 | US4922339 Means and method for visual surveillance and documentation |
| 04/28/1990 | CA2001588A1 Transportation dispatch and delivery tracking system |
| 04/24/1990 | US4920340 Vehicle detecting method and system which can communicate with vehicles |
| 04/19/1990 | WO1990004291A1 Vehicle status monitor and management system employing satellite communication |
| 04/19/1990 | WO1990003899A1 Emergency call system for vehicles |
| 04/19/1990 | DE3934314A1 Radio data signal receiver for automobile - performs channel pre selection and automatic switching to different frequency to provide same programme upon loss of signal |
| 04/19/1990 | DE3835249A1 Motor vehicle |
| 04/18/1990 | EP0363700A2 Lighting display device |
| 04/18/1990 | EP0363396A1 Process and device for determining the position of a land craft. |
| 04/12/1990 | DE3901802C1 Arrangement for monitoring the red light in traffic signals |
| 04/12/1990 | DE3839959A1 Notrufeinrichtung fuer ein fahrzeug Emergency call device for a vehicle |
| 04/12/1990 | DE3833905A1 Device for receiving traffic radio signals |
| 04/11/1990 | EP0362389A1 Vehicle navigation system |
| 04/11/1990 | CN2055965U Multifunctional traffic colour light control console |
| 04/10/1990 | US4916621 Microcomputer traffic counter and data collection method |
| 04/10/1990 | US4916429 Overheight detector system for drive through restaurant |
| 04/10/1990 | US4914908 Actuator used shape memory alloy and display conversion device of signs |
| 04/10/1990 | EP0271499A4 Audio-tactile pedestrian push button signalling system. |
| 04/04/1990 | CN1041052A Time-marker display for urban traffic signaller |
| 04/03/1990 | US4914435 Pedestrian traffic signal |
| 04/03/1990 | US4914434 Traffic signal preemption system |
| 03/29/1990 | DE3901803C1 Arrangement for partially switching off lamp assemblies in traffic light signal systems |
| 03/22/1990 | WO1990002985A1 Automatic anti-collision process and device for autonomous vehicles |
| 03/15/1990 | DE3830790A1 Verfahren und vorrichtung zur automatischen kollisionsvermeidung fuer automatisch fuehrbare fahrzeuge Method and apparatus for automatic collision avoidance for automatically Viable vehicles |
| 03/14/1990 | EP0358576A2 Surveillance device for parked cars |
| 03/14/1990 | EP0357963A2 Wireless data transmission method and device |
| 03/14/1990 | EP0357893A2 Road traffic flow measuring method |
| 03/14/1990 | EP0232332B1 Traffic light lens |
| 03/13/1990 | US4908629 Apparatus for locating and/or tracking stolen or missing vehicles and the like |
| 03/13/1990 | US4908617 Parking stall monitor |
| 03/13/1990 | US4908616 Traffic control system |
| 03/13/1990 | US4908500 System for automatically reading indentification data disposed on a vehicle |
| 03/08/1990 | WO1990002410A1 Speed detector |
| 03/08/1990 | WO1990002392A1 An indicator system |
| 03/08/1990 | WO1990002391A1 Directional information system |
| 03/06/1990 | US4907160 Intersection monitor |
| 03/06/1990 | US4907159 Device for receiving and processing road information |
| 03/06/1990 | US4907007 Mount and magnetic field probe for navigating a motor vehicle |
| 03/06/1990 | CA1266459A1 Illuminated traffic signal for color blind persons |
| 02/28/1990 | EP0355232A2 Road drawing system for a navigation apparatus |
| 02/27/1990 | US4904998 Lighting peg with variable pulsation rate |
| 02/22/1990 | DE3824495A1 Photographic detector, in particular for motor vehicles exceeding the limit speed |
| 02/20/1990 | US4902889 Optical sight system for the detection and recording of infringements of the road traffic regulations, using a laser |
| 02/20/1990 | US4901810 Safety device for selectivity track-guided or road travelling vehicles |
| 02/20/1990 | CA1266112A1 Device and method for switching communications among taxis |
| 02/14/1990 | EP0354684A2 Road vehicle route selection and guidance systems |
| 02/14/1990 | EP0354563A2 Device for switching vehicle characteristics |
| 02/13/1990 | US4901334 Traffic counter apparatus for selective lane use |
| 02/13/1990 | CA1265856A1 Electrical trail counter |
| 02/07/1990 | EP0353718A2 Road traffic signal giver with a low voltage lamp fitting |
| 02/07/1990 | EP0353696A2 Optical adjusting fixture with a mirror telescope and an adapter for signal lights |
| 02/06/1990 | US4899285 System and method for measuring a position of a moving object with a hybrid navigation apparatus |
| 01/31/1990 | EP0352332A1 Vehicle navigation system |
| 01/30/1990 | US4897642 Vehicle status monitor and management system employing satellite communication |
| 01/25/1990 | DE3824541A1 Early warning system for motorists |
| 01/24/1990 | EP0351472A2 Method of correcting distance error in navigation system |
| 01/23/1990 | US4896161 Roadside beacon system |
| 01/23/1990 | US4896153 System to control and temporarily adapt semaphoric regulation |
| 01/17/1990 | EP0351380A2 Optical system for permanent luminous signals of different colours, especially for railway signalling |
| 01/16/1990 | US4894654 Method and apparatus for reserving parking spaces and/or security |
| 01/16/1990 | US4893903 Flashing advisory sign |
| 01/10/1990 | EP0350465A2 Variable message optic fibre signalling device, particularly designed for traffic signs |
| 01/10/1990 | CN2050993U Rolling type changeable sign |