Patents
Patents for G08G 1 - Traffic control systems for road vehicles (61,183)
04/1985
04/10/1985EP0136956A2 System for the detection of a predetermined obstacle on the way of a ground vehicle
04/10/1985EP0136691A2 Method of recording hazardous places in a guide and information system for land vehicles
04/03/1985EP0135740A2 System for providing information to the vehicles' driver, including a coding and decoding system
04/03/1985EP0135641A1 Integrated device, composed of independent modular elements, from which each function allows the localization and/or the display and/or the processing of numerical signals for use in public transport
04/03/1985EP0135551A1 Tailgating prevention apparatus
03/1985
03/26/1985CA1184609A1 Remote control system, particularly for remote radio transmitter control
02/1985
02/20/1985EP0133249A2 Method and apparatus for navigation of automobiles
02/12/1985US4499603 Radio receiver with reception-readiness monitoring feature and method
01/1985
01/29/1985US4496938 Drowsiness alarm system for a vehicle
01/16/1985EP0131211A1 Programmable electronic vehicular display system
01/09/1985EP0130289A1 Navigation apparatus
01/01/1985US4491841 Self-adjusting inductive object-presence detector
12/1984
12/25/1984US4489910 Mounting bracket for traffic signal installation
12/11/1984US4488207 Static multi-color light signal
12/05/1984EP0126958A2 Moving objects data registering detector
11/1984
11/28/1984EP0126456A1 Navigation apparatus for automotive
11/21/1984EP0125557A1 Light and/or sound signal system continuously arranged along the roadsides for remotely signalling road accidents or obstructions, and installation for employing the system
11/20/1984US4484284 Apparatus for visually indicating a current travel route of a vehicle
11/06/1984US4481671 Remote control system, particularly for remote radio transmitter control
11/06/1984US4481515 Coordinator for traffic signal controller
10/1984
10/31/1984EP0123562A1 Vehicule route finding system
10/31/1984EP0123154A1 Radio receiver with traffic decoder
10/16/1984US4477184 Obstacle detection system for use in vehicles
10/09/1984US4476581 FM Receiver with subcarrier decoding circuit
10/09/1984US4476577 Radio transmitter system with special program identification
10/09/1984US4476573 Radio link remote control signaling system, and method
10/03/1984EP0120195A2 Vehicle travel guide system
10/03/1984EP0120090A1 Apparatus and system for transportation dispatching manual and computerized
09/1984
09/26/1984EP0119674A1 Travel guidance system for vehicles
09/26/1984EP0119280A1 Integrated circuit for decoding radio broadcast traffic area identification signals
09/25/1984US4473787 Equipment for maintaining the spacing of track-bound vehicles
09/18/1984US4472714 Clock synchronization circuit for control of traffic signals
09/18/1984US4472706 Vehicle presence loop detector
09/18/1984CA1174748A1 Moving load detector for embedding in a roadway
09/05/1984EP0117279A2 Direction-indicating running light system
08/1984
08/30/1984WO1984003383A1 Tailgating prevention apparatus
08/28/1984CA1173509A1 Fm receiver for reception of special announcements and general programs
08/28/1984CA1173508A1 Fm receiver for general programs and special announcements
08/28/1984CA1173507A1 Communication system, and transmitter therefor, including special announcement recognition
08/21/1984US4467313 Automotive rear safety checking apparatus
07/1984
07/31/1984US4463339 State/interval redundant controller system for traffic signals
07/25/1984EP0114018A1 Display unit for trip computer
07/24/1984US4462031 Traffic synchronization device
07/24/1984CA1171462A1 Device for automatically monitoring an independent current supply
07/17/1984US4460142 Bracket for supporting a sign to a cylindrical post
07/10/1984US4459561 Phase-lock loop controlled object detector oscillator
06/1984
06/20/1984EP0111083A1 Control and signal transmitting device for transportation systems
06/13/1984EP0110099A2 Vehicle routing system with telephone
05/1984
05/22/1984US4450589 FM Receiver for reception of special announcements and general programs
05/22/1984US4450430 Lane change guidance system
05/22/1984CA1167942A1 Running guide system
05/15/1984US4449116 Actuated digital pretimed traffic controller
05/15/1984US4449115 Apparatus for detecting ferromagnetic material
05/15/1984US4449114 System for identifying and displaying data transmitted by way of unique identifying frequencies from multiple vehicles
05/08/1984US4447800 Obstacle detector for use in vehicles
05/01/1984CA1166727A1 Vehicle collision avoidance system
04/1984
04/18/1984EP0105818A1 Diode mounting arrangement
04/17/1984US4443783 Traffic light control for emergency vehicles
04/12/1984WO1984001458A1 Apparatus and system for transportation dispatching manual and computerized
04/10/1984CA1165427A1 Electronic identification system
04/04/1984EP0104437A2 Equipment for detecting and recording offences against the highway code using light energy in the near-visible field
03/1984
03/21/1984EP0103393A1 Inductive loop vehicle detector
03/20/1984CA1164116A1 Video system for assisting automobile traffic
03/13/1984CA1163694A1 Road surface condition detection system
03/07/1984EP0102017A2 Vehicle stopping position detecting system
03/06/1984US4435845 Automobile radio and tape cassette switching apparatus
03/06/1984US4435843 FM Receiver for general programs and special announcements
03/06/1984US4435760 Running position indicator apparatus
02/1984
02/21/1984US4433325 Optical vehicle detection system
02/21/1984US4433324 Device to promote the movement of buses by allocation of priority of crossing of an intersection controlled by traffic lights
02/15/1984EP0100331A1 Apparatus for securely interrupting the electric power supply from a low-frequency or direct voltage source to a load.
02/07/1984US4430636 Loop detector for traffic signal control
01/1984
01/31/1984US4428990 For temporary attachment to road surface
01/10/1984US4425608 In an optical system
01/04/1984EP0097179A1 A position indicating system
12/1983
12/27/1983CA1159538A1 Electrically controlled safety mechanism for highway exit ramp
12/22/1983WO1983004451A1 A location monitoring system
12/21/1983EP0096252A2 Vehicle location system
12/13/1983CA1158767A1 Magnetic control strip recording device for roadway control system
11/1983
11/22/1983US4416066 Arrangement for orientation during journeys in land vehicles
11/22/1983CA1157594A1 Method for transmitting data by time multiplexing procedure
11/15/1983US4415884 Diagnostic circuit for programmable logic safety control systems
10/1983
10/12/1983EP0091276A2 Sound pattern discrimination system
10/11/1983US4409583 Video system for assisting automobile traffic employing a segmented LCD display
10/04/1983US4408180 Traffic signal light intensity control
10/04/1983US4408179 Communications system for automotive vehicles
09/1983
09/21/1983EP0089030A2 Road traffic vehicle detection method
09/06/1983US4403208 Warning-signal-producing system for a motor vehicle responsive to a vehicle-presence-indicating radio wave signal emitted by another vehicle and indicative of its presence
08/1983
08/30/1983US4401969 Traffic control system
08/24/1983EP0086420A1 Method of controlling traffic lights, flashing warning lights and similar devices
08/18/1983WO1983002860A1 Method of securely interrupting the electric power supply from a low-frequency or direct voltage source to a load, and apparatus for carrying out the method
08/16/1983US4399437 Coded information arrangement
08/10/1983EP0085422A1 Traffic guidance and information system
08/09/1983US4398171 Video system for plotting and transmitting video traffic information
08/03/1983EP0085013A1 Method and apparatus to communicate traffic jams to vehicle users
07/1983
07/19/1983US4394640 Safe merging system using short pulse signal reflectomerty
07/19/1983CA1150078A1 Method and arrangement for determining the velocity of a vehicle
07/05/1983US4392119 Apparatus and method for monitoring the arrival and duration of stay of a vehicle at a drive-in window
07/05/1983CA1149491A1 Road surface marking system and method of operation thereof
06/1983
06/28/1983US4390951 Apparatus for monitoring road traffic to control an associated signaling system