Patents
Patents for G08G 1 - Traffic control systems for road vehicles (61,183)
01/1990
01/09/1990US4893246 Apparatus for displaying travel path
01/03/1990EP0349470A2 Remote guidance- and information system for drivers and pedestrians in road traffic areas
12/1989
12/28/1989WO1989012881A1 A method of evaluating digitally encoded traffic information received in a data telegram and radio receivers
12/28/1989DE3909532A1 Location selection device for an on-board navigation system
12/21/1989DE3820641A1 Verfahren zur auswertung von in einem datentelegramm digital codiert empfangener verkehrsnachrichten sowie rundfunkempfaenger A method for evaluation of traffic news received in a data telegram digitally encoded and rundfunkempfaenger
12/21/1989DE3820520A1 Monitoring device for a road block which is controlled by a traffic light system
12/20/1989EP0347355A1 Synchronised multi-topical information broadcasting permitting a reconfigurable listening strategy over a transmitter park and of radio programmes
12/20/1989EP0347354A1 Broadcasting of information messages, especially road information, to fixed or mobile receivers for intermittent listening
12/20/1989EP0347242A2 Collison avoidance system
12/20/1989EP0347090A2 Vehicle monitoring system
12/20/1989EP0346906A2 System for displaying the present position of a moving object
12/20/1989EP0346493A1 Guide unit for destination of vehicle navigation system
12/20/1989EP0346492A1 Route search method for navigation system
12/20/1989EP0346483A1 Navigation unit
12/14/1989DE3820129A1 Method of representing road systems in data memories
12/13/1989EP0345818A2 Route guidance system for a mobile telecommunication system
12/12/1989US4887090 Vehicle antenna with shiftable gain patterns
12/12/1989US4887080 Stationary traffic monitoring device
12/07/1989DE3915466A1 Method for starting and carrying out a controlled radio operation for avoiding collisions between vehicles
11/1989
11/30/1989WO1989011711A1 Method and device for the surveillance of warehouses and goods depots
11/29/1989CN2048604U Motercycle accident warner
11/28/1989US4884208 System for continuously establishing and indicating the location of a movable object
11/28/1989US4884072 Device for photographic monitoring of cross-roads
11/21/1989US4882696 Navigation apparatus
11/21/1989US4882689 Navigation system using angular rate sensor
11/16/1989WO1989011139A1 A device for the screening in the fog with 100 to 7000 micron electromagnetic waves and microcell screen
11/16/1989WO1989011138A1 Process for relieving or preventing unwanted traffic jams in the broadest sense
11/09/1989DE3814107A1 Traffic control and information device
11/08/1989EP0341224A1 Apparatus for monitoring the state of a remotely controlled device
11/08/1989CN2047428U Traffic signal instrument for initiative alarming
11/08/1989CN2047427U Bar tyoe magnetic vehicle detector
11/07/1989US4879549 Shroud attachment
11/02/1989EP0339988A2 Traffic safety monitoring apparatus
10/1989
10/31/1989US4878050 Motor vehicle remote control system
10/26/1989DE3812550A1 Traffic light having a time-display device
10/26/1989DE3812120A1 Car radios integrated insert for storing and for receiving traffic announcements
10/25/1989EP0338997A2 Computer controlled information broadcasting system for aiding blind persons in town walking
10/25/1989EP0202335B1 Signal light unit having heat dissipating function
10/25/1989CN2046656U Time indicator of traffic lights
10/11/1989EP0336256A1 Device and method for the control of traffic lights on road crossings
10/11/1989CN2045873U Increasing progressively stop controller for traffic lights
10/10/1989US4873531 Identification transponder for use when a vehicle passes a given point
10/10/1989US4873494 Inductive loop presence detector with cross talk filter
10/05/1989DE3816862C1 Signal system monitoring circuit
10/05/1989DE3810180A1 Broadcast receiver, particularly vehicle receiver
10/05/1989DE3810179A1 Broadcast receiver, particularly vehicle receiver
10/05/1989DE3810178A1 Broadcast receiver, particularly vehicle receiver
10/04/1989EP0335009A2 Procedure for acquiring and processing local traffic data and device for carrying out the procedure
10/04/1989CN1036090A Electronic traffic police system
10/03/1989US4872051 Collision avoidance alarm system
09/1989
09/26/1989US4870419 Electronic identification system
09/26/1989CA1261039A1 Automotive navigation system
09/26/1989CA1261038A1 Automotive navigation system
09/26/1989CA1260122A1 Automotive navigation system
09/20/1989EP0333330A1 Information distribution system
09/20/1989CN1035641A Apparators for reading information off railway vehicle
09/14/1989DE3806972A1 Device for receiving, detecting and reproducing traffic radio announcements
09/14/1989DE3806848A1 Method and device for presenting routing information
09/14/1989DE3806842A1 Method and device for entering routing information
09/13/1989EP0331675A1 Process and system for supplying drivers of land road vehicles with route information.
09/13/1989CN2044315U High efficent long life traffic signal marker
09/12/1989US4866616 Information recording apparatus for vehicles
09/12/1989US4866438 Traffic monitoring device
09/08/1989WO1989008301A1 Timing system
09/07/1989DE3805810A1 Communication system for vehicles
09/06/1989EP0330908A2 Car radio with a traffic broadcast decoder
09/06/1989EP0330787A2 Navigation system
09/06/1989CN1035355A Use of optical fibre in pressure sensitive transducers
09/05/1989US4864313 Voting method of locating mobile objects
09/05/1989US4864297 Siren detector
08/1989
08/31/1989DE3901094A1 Motor vehicle broadcast receiver
08/31/1989DE3805578A1 Device for determining the direction of travel of a vehicle
08/30/1989EP0330165A2 Infrared band information transmission emitting and receiving device
08/30/1989EP0330164A2 Partial traffic-signalling system disconnecting device
08/30/1989EP0330062A1 Radio receiver for a vehicle
08/30/1989CN2043777U Language generator for traffic signals
08/29/1989US4862513 Radio receiver with two different traffic information decoders
08/29/1989US4862163 Traffic monitoring system
08/29/1989US4862162 Environmental tracking in inductance loop vehicle detection systems
08/24/1989WO1989007860A1 Radio receiver for vehicles
08/23/1989EP0328565A1 Flashing light unit
08/23/1989CN2043396U Traffic signal lamp
08/17/1989DE3803433A1 Induction loop operating as movement detector (proximity detector), with evaluation electronics connected downstream
08/15/1989USRE33025 Method and apparatus for display of distance and direction to destination
08/15/1989US4857925 Route indicating signalling systems for transport vehicles
08/15/1989US4857921 Digital traffic control system
08/15/1989US4857920 Combined traffic signal with stacked EL elements
08/15/1989US4857893 Single chip transponder device
08/15/1989US4857886 Timing system
08/15/1989US4856896 Optical guidance system and apparatus
08/09/1989EP0326997A2 Actuator using shape memory alloy for display conversion device of signs
08/03/1989DE3909305A1 Warning system for increasing traffic safety for motor vehicles
08/02/1989EP0326117A1 Device to send and display alarm and situation plans of a warning indicator installation in auxiliary vehicles
08/02/1989EP0100331B1 Apparatus for securely interrupting the electric power supply from a low-frequency or direct voltage source to a load
07/1989
07/27/1989DE3832455A1 Selection method for received frequencies of an RDS receiver
07/27/1989DE3801698A1 Counting system for moving objects
07/26/1989EP0325255A1 Traffic warning device
07/25/1989US4851836 Audio-tactile pedestrian push button signalling system
07/25/1989US4851832 Traffic control device for street vehicles
07/19/1989EP0324606A1 Multifunctional optoelectronic control apparatus