| Patents for G08G 1 - Traffic control systems for road vehicles (61,183) |
|---|
| 06/04/1991 | US5021780 Bus passenger alerting system |
| 06/04/1991 | US5021778 Capacitance coupled proximity identification system |
| 05/29/1991 | EP0429000A2 RDS broadcast receiver with a device for country-specific interpretation of RDS data |
| 05/29/1991 | EP0428866A2 Method and apparatus for suppressing transmitter change-over in RDS receivers due to local disturbances |
| 05/29/1991 | DE4023340C1 Speed monitor for motor vehicle in traffic - uses in-vehicle receiver for IR pulses transmitted along precisely defined stretch of road |
| 05/29/1991 | CN1012699B Light signal device |
| 05/28/1991 | US5020143 Vehicular radio receiver with stored detour data |
| 05/28/1991 | US5019815 Radio frequency controlled interrogator-responder system with passive code generator |
| 05/16/1991 | WO1991007029A1 Radio receiver, in particular for vehicles |
| 05/15/1991 | EP0427342A1 Transmission system |
| 05/15/1991 | EP0236387B1 Device for photographic monitoring of cross-roads |
| 05/08/1991 | EP0426332A2 Electronic systems for the protection of articles |
| 05/08/1991 | EP0425977A2 Induction loop |
| 05/08/1991 | EP0425901A1 Tactile signalling structure for sight disabled people incorporated in conventional paving |
| 05/08/1991 | EP0425826A1 Fastening device for a transformer component and for a signalling device to be mounted on a signal mast |
| 05/08/1991 | DE3936577A1 Rundfunkempfaenger, insbesondere fahrzeugempfaenger Rundfunkempfaenger, especially fahrzeugempfaenger |
| 05/07/1991 | US5014200 Adaptive cruise system |
| 05/07/1991 | US5014052 Traffic signal control for emergency vehicles |
| 05/03/1991 | CA2029145A1 Electronic systems for the protection of articles |
| 05/02/1991 | EP0424492A1 Road traffic signalling system |
| 05/02/1991 | DE4034521A1 Vehicle-mounted traffic information system receiver - uses battery saving circuitry and memory to allow immediate retrieval of data |
| 05/01/1991 | CA2028727A1 Structure for signalling obstacles and dangerous areas to people unable to see |
| 04/30/1991 | US5012099 Intrusion detection and identification arrangement for land vehicles |
| 04/25/1991 | DE4033831A1 Navigation system esp. for motor vehicle - has independent system with correction derived from satellite system when signals received from three or more satellites |
| 04/25/1991 | DE4033829A1 Service info. system e.g. for hotel booking or aircraft navigation - has map and service data storage devices accessed by computer controlled by selection device |
| 04/23/1991 | US5010336 Temporary traffic light control |
| 04/17/1991 | EP0422696A2 Luminous horizontal roadway marking strips, and method and devices for forming such luminous horizontal roadway markings |
| 04/17/1991 | EP0422695A2 A system comprising roadway marking strips |
| 04/17/1991 | EP0422694A2 Luminous horizontal roadway marking strips, and method and devices for forming such luminous horizontal roadway markings |
| 04/17/1991 | EP0422308A1 Traffic aid by coded marking |
| 04/16/1991 | US5008666 Traffic measurement equipment |
| 04/03/1991 | EP0420584A2 PLL demodulating circuit in traffic information receiver |
| 04/03/1991 | EP0419776A2 On-Vehicle Receiver |
| 04/02/1991 | US5004997 Parking aid device |
| 03/27/1991 | EP0419273A2 Improvements in inductive loop vehicle detectors |
| 03/27/1991 | EP0418331A1 Speed monitoring device for road vehicles |
| 03/27/1991 | CN2074035U Traffic signal indicator |
| 03/20/1991 | CN2073606U Digital type of traffic signal device |
| 03/19/1991 | US5001475 Portable traffic control device |
| 03/13/1991 | EP0416742A2 Retroreflective vehicle identification articles having improved machine legibility |
| 03/13/1991 | EP0416692A2 Communicating information by radio |
| 03/13/1991 | EP0348444B1 Parking system |
| 03/13/1991 | CN1049925A Remote operated control |
| 03/12/1991 | US4999604 For use with a predetermined traffic course |
| 03/07/1991 | DE3929342A1 Traffic lights with display indicating red duration - uses revolving pointer encirculating red light to indicate lapsed time |
| 03/05/1991 | US4998093 Portable personal electronic perimeter alarm |
| 02/27/1991 | EP0414063A2 Apparatus casings for alternating signalling devices |
| 02/27/1991 | EP0413948A1 System for optical data transmission, preferably for the automatic payment of road taxes |
| 02/26/1991 | US4996716 Vehicle communication system using existing roadway loops |
| 02/25/1991 | WO1991002943A1 Navigation apparatus and method |
| 02/21/1991 | WO1991002340A1 Locating system for distributed signalling network |
| 02/21/1991 | WO1991002339A1 Light-emitting display device and light-emitting display system |
| 02/21/1991 | DE3926984A1 Car radio and cassette player - monitors radio stations enabling automatic over riding of cassette player |
| 02/20/1991 | EP0413576A2 Method and apparatus for motion detection |
| 02/19/1991 | US4994800 Snap-in housing for backup alarm |
| 02/19/1991 | US4994714 Motor vehicle |
| 02/19/1991 | US4993868 Continuous prefabricated road-marking tape with composite structure and passive and active optical effect completely independent from outside investment and external energy source |
| 02/15/1991 | CA2016649A1 Anti-collision sensor |
| 02/13/1991 | EP0412286A2 Route-selective reproduction method for digitally coded messages transmitted from a transmitter to a vehicle receiver, and corresponding vehicle receiver |
| 02/12/1991 | US4992947 Vehicular navigation apparatus with help function |
| 02/12/1991 | US4992788 Traffic control trailer system |
| 02/07/1991 | DE3925001A1 Portable traffic broadcast receiver - has pilot signal thresholding to actuate loudspeaker, warning sounder, or to store message |
| 02/04/1991 | CA2020380A1 Retroreflective vehicle identification articles having improved machine legibility |
| 02/03/1991 | WO1991002332A1 Process and device for managing the occupancy rate of devices subject to charges |
| 02/03/1991 | CA2064732A1 System and installation to control the factor of occupancy in facilities which levy a fee for their use according to the laws of supply and demand |
| 01/31/1991 | DE3924478A1 Motorway traffic control and display system - uses strategically placed traffic lights in conjunction with traffic flow measuring system to control motorway access points |
| 01/30/1991 | EP0410137A2 Control method and-device for an information reproducing apparatus dependant on location |
| 01/30/1991 | CN2070483U Charged traffic signal light |
| 01/30/1991 | CN1048941A Vehicle automatic identifying method and system |
| 01/29/1991 | US4988994 Traffic monitoring device |
| 01/24/1991 | DE3923314A1 Route guidance system for road vehicle - uses data stored for access by system in vehicle to indicate directions to be taken |
| 01/24/1991 | DE3923313A1 Guidance information system for road vehicle - has route entered into computer system and comparison made with vehicle tachometer output |
| 01/23/1991 | EP0409343A1 Vehicle identification system |
| 01/23/1991 | EP0408699A1 Traffic congestion monitoring system |
| 01/22/1991 | US4987357 Adaptive motor vehicle cruise control |
| 01/18/1991 | CA2021223A1 Vehicle identification system |
| 01/17/1991 | DE3922893A1 Traffic light arrangement with stop phase duration indicator - has additional display with intelligent unit suitable for simple retrospective fitting |
| 01/15/1991 | US4985705 Method and apparatus for compiling and evaluating local traffic data |
| 01/09/1991 | EP0407300A1 On board electronic anti-collision device for a vehicle |
| 01/09/1991 | EP0406946A1 Method of displaying navigation data for a vehicle in an image of the vehicle environment, a navigation system for performing the method, and a vehicle comprising a navigation system |
| 01/08/1991 | US4984168 Method and apparatus for determining a route between a starting point and a destination |
| 01/08/1991 | US4983984 Roadside beacon system with polarized beams |
| 01/02/1991 | CN2068708U Energy-saving traffic digital display |
| 01/01/1991 | US4982359 System and method for recognizing vehicle position on elevated freeway |
| 01/01/1991 | US4982332 Road data generating method for use in an on-board navigation system |
| 12/27/1990 | WO1991000581A1 Device for estimating the behaviour of road-users |
| 12/27/1990 | CA2065234A1 Device for evaluating road users behaviour |
| 12/19/1990 | EP0403193A2 Method and apparatus for traffic monitoring |
| 12/19/1990 | EP0402715A2 Car radio |
| 12/13/1990 | DE3921553A1 Safety measure for exit road - includes sleepers set in carriageway which have projecting square shoulder along trailing edge |
| 12/13/1990 | DE3918668A1 Traffic information transmitter for motor vehicles - uses existing mobile radio network with vehicle-mounted electronic equipment to display information |
| 12/13/1990 | DE3918002A1 Ensuring control of vehicle speeds on roads and motorways - using variety of electronic measuring and recording devices in marked boxes |
| 12/12/1990 | EP0401980A2 Display element |
| 12/12/1990 | EP0401244A1 Radio receiver for vehicles |
| 12/12/1990 | EP0299091A4 Light-signalling device |
| 12/12/1990 | CN2067434U Traffic inspecting instrument |
| 12/11/1990 | US4977451 Process and apparatus for automatic surveillance of a site |
| 12/05/1990 | EP0401192A1 Taxing or automatic toll system for road vehicles |
| 12/05/1990 | EP0400803A1 Radiant energy signal transmitter |
| 12/05/1990 | CN2067008U Controller for computerized traffic signal |