Patents
Patents for G08G 1 - Traffic control systems for road vehicles (61,183)
02/1994
02/09/1994CN2155600Y Radio recognition electronic label
02/09/1994CN1081783A Signalling means
02/08/1994US5285523 Apparatus for recognizing driving environment of vehicle
02/08/1994US5285188 Vehicle collision detecting system
02/08/1994CA1326889C Transponder
02/08/1994CA1326888C Stationary traffic monitoring device
02/03/1994WO1994002923A1 Urban transport user information system
02/03/1994WO1994002922A1 Improvements in systems for informing users about waiting times for buses at network bus stops
02/03/1994CA2119559A1 Urban transport user information system
02/03/1994CA2119558A1 Improvements in systems for informing users about waiting times for buses at network bus stops
02/02/1994EP0580617A1 Radio receiver, especially vehicle radio.
02/02/1994EP0433351B1 Automatic anti-collision process and device for autonomous vehicles
02/02/1994CN2155049Y Switching power source for underground railway train computerized stations reporting machine
02/02/1994CN2155048Y Three-colour signal lamp
02/02/1994CN2154613Y Children's electronic security satchels
02/01/1994US5283573 Traffic flow measuring method and apparatus
01/1994
01/27/1994DE4324215A1 Vehicle navigation system with speech - calculates location at which spoken guidance information is given in dependence on vehicle situation
01/26/1994EP0580167A1 Vehicle route guidance apparatus for researching for a route when vehicle goes out of route
01/26/1994EP0580166A2 Vehicle navigation system
01/26/1994EP0580157A1 Volume control of aural guidance of vehicle route guidance apparatus
01/26/1994EP0580139A2 Transponder location and tracking system and method
01/26/1994EP0580105A1 Vehicle-guiding device for recognizing curved road and leading vehicle along curved road aurally
01/26/1994CN2154511Y Multipurpose baton
01/25/1994US5281965 Vehicle detector measurement frame segmentation
01/25/1994US5281964 Traffic flow change monitoring system
01/25/1994CA1326515C Vehicle status monitor and management system employing satellite communication
01/20/1994WO1994001848A1 Device for preventing pseudo lighting phenomenon of signal lamp
01/20/1994WO1994001847A1 Device and process for the detection of one or more vehicle wheels
01/19/1994EP0579451A1 Method of and apparatus for producing an animation having a series of road drawings to be watched from a driver's seat of a vehicle
01/19/1994EP0578788A1 A vehicle route planning system
01/18/1994US5280632 Method of transmitting and receiving warning broadcast signals during drive in dangerous area, and system thereof
01/18/1994CA1326301C Directional information system
01/12/1994EP0578413A1 Signalling means
01/12/1994EP0578060A2 Method for data transmission between a base station and mobile objects
01/12/1994EP0577782A1 A vehicle route guidance system
01/12/1994CN2153103Y Intelligent autocontrol apparatus for vehicle going in obeying rules
01/12/1994CN2153102Y Alarm triangular support with improved structure
01/12/1994CN2153101Y Control display apparatus for program-controlled full-automatic traffic signal
01/12/1994CN2153094Y Microwave active electronic responder
01/11/1994US5278563 Vehicle identification and classification systems
01/11/1994US5278555 Single inductive sensor vehicle detection and speed measurement
01/11/1994US5278554 Road traffic control system with alternating nonstop traffic flow
01/11/1994US5278553 Apparatus for warning of approaching emergency vehicle and method of warning motor vehicle operators of approaching emergency vehicles
01/11/1994US5278423 Object sensor and method for use in controlling an agricultural sprayer
01/06/1994WO1994000921A1 Mobile object identification device
01/06/1994WO1994000830A1 Object location process and apparatus
01/05/1994EP0576710A1 Arrangement for data transmission
01/05/1994EP0576641A1 Vehicle navigation apparatus
01/05/1994CN2152248Y Language announcing device for automobile traffic accident
01/04/1994US5276909 Traffic information broadcast system
01/04/1994US5276768 Method for computing shortest paths
01/04/1994CA1325800C Actuator using a shape memory alloy and display conversion device for signs
12/1993
12/29/1993EP0575943A1 Route searching apparatus for vehicle
12/29/1993EP0575907A1 A system for the reception and transmission of information between fixed and mobile stations
12/29/1993EP0575513A1 Electronic billboard and vehicle traffic control communication system
12/29/1993EP0575389A1 Arrangement for locating objects and for exchanging data with these objects.
12/29/1993CN2151509Y Triangular accident sign
12/29/1993CN2151508Y Overspeed alarm for vehicles
12/28/1993US5274387 Navigation apparatus for vehicles
12/23/1993WO1993025989A1 Device for determining the proportion of atypical moving objects
12/23/1993DE4307414C1 Traffic surveillance radar for controlling traffic lights - uses correlation of echo signals provided by 2 stationary antenna to detect traffic within each traffic lane
12/21/1993US5272483 For use on a mobile object
12/15/1993EP0573619A1 Method for automatic routing, navigation, protection and guidance for vehicle drivers
12/15/1993EP0274526B1 Transponder device
12/15/1993CN2149663Y Traffic controlling signal arrangement
12/14/1993US5270708 Accident information providing system for automotive vehicle
12/09/1993WO1993024911A1 Vehicle tracking system
12/09/1993WO1993024894A1 Anti-collision system for vehicles
12/09/1993CA2137002A1 Vehicle tracking system
12/08/1993EP0573320A1 System for automatic identification and detection of vehicles and objects
12/02/1993DE4324149A1 Energy saving lighting circuit including emergency back=up - supplies second lamp of pair if first fails or emergency supply is operated
12/01/1993EP0572129A1 Navigation device
12/01/1993CN2148366Y Inflated pyramidal traffic mark
12/01/1993CN2148365Y Energy-saving traffic lights
12/01/1993CN1079067A Stop-telling advertising board
11/1993
11/30/1993US5266948 Apparatus and method for displaying a travel position
11/30/1993US5266922 Mobile communication apparatus
11/27/1993CA2096918A1 System for the identification and automatic detection of vehicles or objects
11/25/1993WO1993023834A1 Roadway sensor systems
11/25/1993CA2135283A1 Roadway sensor systems
11/24/1993EP0570755A1 In a road surface or the like installed induction loop
11/24/1993EP0570581A1 An improved accuracy sensory system for vehicle navigation
11/24/1993CN2147600Y Warning safety device for vehicle over-speed automatic display
11/18/1993EP0570223A1 Vehicle guidance apparatus
11/17/1993CN2146750Y Multi-functional electronic baton
11/17/1993CN2146749Y Alarm for children crossing the street
11/16/1993US5262756 Solar powered warning light
11/11/1993WO1993022756A1 Device for testing the operatability of speed-measurement devices used in traffic control
11/11/1993CA2134659A1 Device for testing the operability of speed-measurement devices used in traffic control
11/10/1993EP0569246A1 Navigation device
11/10/1993EP0569095A1 Vehicular cruise control system and radar system therefor
11/10/1993EP0479859B1 Device for estimating the behaviour of road-users
11/09/1993US5260694 Automatic article tracking system for manually operated delivery system
11/09/1993US5260669 Circuit for generating first and second in-phase alternating signals
11/03/1993EP0567992A2 Method for monitoring the transport of goods to predetermined removal stations
11/03/1993EP0567890A2 Device for data transmission between a mobile and a beacon and communication system thereof
11/03/1993EP0567660A1 Device for the guiding of vehicles
11/03/1993CN2145416Y Automatic emengy traffic signal apparatus
11/03/1993CN1078055A Wireless voice traffic control method and apparatus
10/1993
10/28/1993WO1993021617A1 Vehicle monitoring apparatus