Patents
Patents for G08G 1 - Traffic control systems for road vehicles (61,183)
08/1994
08/10/1994EP0570581A4 An improved accuracy sensory system for vehicle navigation
08/09/1994US5337245 Location detecting apparatus with overspeed predicting means
08/09/1994US5337244 On-board navigation apparatus
08/09/1994US5337243 Vehicle orientation calculating device
08/09/1994US5337046 System for communication between pedestrians and vehicles
08/03/1994EP0609111A1 Method and device for consulting traffic information
08/02/1994US5335180 Method and apparatus for controlling moving body and facilities
08/02/1994US5334986 Device for determining the position of a vehicle
08/02/1994US5334974 Personal security system
07/1994
07/28/1994DE4242296A1 Traffic lights having structured lamps to show one colour at a time
07/27/1994EP0608005A1 Integrated vehicle positioning and navigation system, apparatus and method
07/27/1994EP0607654A2 Method of correcting distance error of navigation apparatus
07/27/1994CN2172892Y 交通信号指挥仪 Traffic Signal Command Instrument
07/26/1994US5332057 Contact preventive apparatus for vehicles
07/21/1994WO1994016315A1 Object sensor and method for use in controlling an agricultural sprayer
07/21/1994DE4300927A1 Computer-aided route navigation system for land vehicle
07/20/1994CN2172505Y Computerized bus stop indicator
07/19/1994US5331561 Active cross path position correlation device
07/19/1994US5331276 Apparatus for passively measuring the velocity of a ferrous vehicle along a path of travel
07/19/1994US5330278 Coordinated traffic signal system for roads
07/14/1994DE4344789A1 Signal detection circuit for broadcast road traffic information
07/14/1994DE4300651A1 Determination of road traffic data
07/14/1994DE4300650A1 Determination of vehicle-classified traffic flow data
07/14/1994DE4300645A1 Regulation of traffic flow through junctions controlled by lights
07/13/1994EP0605926A1 Vehicle navigation device
07/13/1994CN2171892Y Recording device for vehicle moving
07/13/1994CN2171891Y Vehicle typing device with infrared sensor
07/06/1994EP0604946A1 Optical disc for a vehicle navigation system having both a read-only area and a userwritable area
07/06/1994EP0604630A1 Urban transport user information system
07/05/1994US5327347 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle
07/05/1994US5327123 Traffic control system failure monitoring
07/05/1994US5327117 Adaptive message display apparatus
06/1994
06/30/1994DE4244169A1 Road traffic monitoring system
06/29/1994EP0604404A2 Integrated vehicle positioning and navigation system, apparatus and method
06/29/1994CN2170550Y Chinese simulation policeman
06/29/1994CN2170549Y Traffic signal lamp
06/29/1994CN2170548Y Indicator for vehicle going on city road
06/28/1994US5325096 Smart blind spot sensor
06/23/1994WO1994014288A1 Method and apparatus for selecting remote stations according to their priorities
06/22/1994EP0602792A1 Piezoelectric sensors
06/22/1994CN1088333A Overtaking-indicating method
06/19/1994CA2109132A1 Piezoelectric sensors
06/16/1994DE4313568C1 Guiding motor vehicle driver when changing traffic lanes - using radar devices to detect velocity and spacing of vehicles in next lane and indicate when lane changing is possible
06/16/1994DE4241408A1 Controlling arrival of road traffic on motorway to prevent congestion - determining anticipated traffic volumes from received data compared with actual present values to generate control data
06/15/1994EP0601712A1 Navigation system
06/15/1994EP0519934B1 Navigation system
06/14/1994US5321490 Active near-field object sensor and method employing object classification techniques
06/14/1994US5321488 Inter-vehicle distance detecting device
06/09/1994WO1994012962A1 Tractor-trailer electronic transmission path
06/09/1994WO1994012961A1 Method of detecting moving objects
06/09/1994WO1994012851A1 Active near-field object sensor and method employing object classification techniques
06/09/1994WO1994012730A1 A surface mounted sensor
06/09/1994DE4341689A1 Vehicle anti-collision radar system - detects distance to object in front of radar system vehicle using laser beam and read gradient detector and determines whether or not object is vehicle
06/08/1994CN2168303Y Traffic road-sign transreceiver
06/08/1994CN2168302Y Triangular warning designation frame
06/07/1994US5319394 System for recording and modifying behavior of passenger in passenger vehicles
06/07/1994US5319366 Automatic traffic control device and method thereof
06/07/1994US5318143 Method and apparatus for lane sensing for automatic vehicle steering
06/07/1994CA1330111C Speed detector
06/01/1994DE4317159C1 Object data detector, e.g. for motor vehicle toll - reads data from moving vehicle and receives signal transmitted from device on vehicle to detect whether or not toll was prepd., e.g. using check card
06/01/1994CN2167420Y Traffic safety alarming device
06/01/1994CN2167419Y Three-in-one traffic control lamp
06/01/1994CN2167003Y Collision-prevention device for automobile controlled by computer
06/01/1994CN2166637Y Device giving out light for alarming for shoes
06/01/1994CN1087458A Selective call receiver capable of requesting information from a communication system and method thereof
05/1994
05/31/1994US5317311 Vehicle carrying receiving means
05/26/1994WO1994011853A1 Integrated method of guidance, control, information, protection and communication
05/26/1994WO1994011852A1 Process for detecting and eliminating the shadow of moving objects in a sequence of digital images
05/26/1994WO1994011839A1 Prediction method of traffic parameters
05/26/1994DE4321348C1 Early warning of hazards for public passenger train transport system - collects error and fault data regarding door closing, temp. etc. in vehicle computer, transmits over short distance to intermediate receiver and/or nearby vehicle, and then to central computer
05/26/1994DE4238850A1 Displaying reduction of lanes for vehicles using dot=matrix panel - indicating vehicle streams using symbols, with indication of gaps between vehicles in one lane for merging of adjacent lane
05/25/1994EP0598518A1 Method of calculating GPS measuring deviation and navigation system using same
05/25/1994CN2166493Y Sound prompting device for signal lamp
05/24/1994US5315298 Apparatus and method of displaying car-navigating map
05/24/1994US5315295 Vehicle speed control system
05/19/1994DE4338244A1 Warning system for a vehicle - Has monitoring system for vehicle, environment and driver which takes steps to avoid danger if driver unaware
05/19/1994DE4312421C1 Road traffic warning and guidance device - directs traffic signs and text recorded on photographic medium onto back projection screen
05/19/1994DE4237987A1 Vehicle RDS and traffic message channel receiver - receives and decodes RDS and TMC data, and provides pictogram display on LCD or HUD
05/18/1994EP0597313A1 Road users information transmitting method
05/18/1994CN2165490Y Improved structure warning device
05/17/1994US5313295 Moving body measuring device and an image processing device for measuring traffic flows
05/17/1994US5313262 Systems and methods for object detection using beam widening optics
05/17/1994US5313200 Road traffic congestion display system
05/11/1994DE4237721A1 Identifying traffic through monitored zone - analysing geophone signals corresp. to sound waves triggered by traffic and propagated underground
05/11/1994CN2164578Y Language transmitting receiver for traffic barricade
05/11/1994CN2164577Y Vehicle traffic volume automatic recording instrument according to vehicle type
05/10/1994US5311434 Vehicle navigation system
05/10/1994US5311197 Event-activated reporting of vehicle location
05/05/1994DE4336513A1 Vehicle navigation arrangement with map display - detects deviation from route with associated scale enlargement about current vehicle position
05/05/1994DE4335840A1 Warning badge e.g. for protection of pedestrians at night - has sealed flexible waterproof construction including transparent e.g. PVC films and light-emitting diodes energised by adjacent source
05/05/1994DE4236742A1 Load pressure measuring appts., e.g. for road surfaces - has optical fibre inside elongated casing made of metal bands stuck together by heat-activated adhesive
05/04/1994CN1086333A A traffic signal, a display system therefor and a hood for a lamp thereof
05/03/1994US5309408 Sonar system
05/03/1994US5309155 Control apparatus for network traffic light
05/03/1994US5308968 Non-contact IC card which actively attenuates its resonance circuit as it receives data
04/1994
04/28/1994WO1994008820A1 Theft-detection device
04/28/1994DE4335801A1 Obstacle detector for vehicle using radar system - detects obstacles in vehicle path and is used as part of ABS system to detect vehicle speed and determine ideal travel route
04/28/1994DE4334886A1 Vehicle route-destination guidance arrangement with on-board computer - uses data on traffic conditions gained during preceding learning phase to derive alternate route depending on time
04/28/1994DE4235862A1 Vehicle flashing warning light system with back-up radio warning signal for foggy road conditions - switches between warning signal receive and warning signal transmit functions
04/27/1994EP0594495A1 Driving aid method and device by reception and processing of traffic information