G
SECTION G — PHYSICS
  
INSTRUMENTS
 G08
SIGNALLING (indicating or display devices per se G09F; transmission of pictures H04N; arrangements for selective calling from one station to another H04Q 9/00)
 G08G
TRAFFIC CONTROL SYSTEMS (disposition of road signs or traffic signals E01F 9/00; radar systems G01S 9/00)  [2]
 G08G

Note(s)

This sub-class includes:

  1. identification of traffic offenders;
  2. indication of the position of scheduled vehicles;
  3. indication of free spaces in parking areas.

 G08G 1/00
Traffic control systems for road vehicles
 G08G 1/01
·  Detecting movement of traffic to be counted or controlled (G08G 1/07-G08G 1/14 take precedence)
 G08G 1/015
·  ·  with provision for distinguishing between motor cars and cycles
 G08G 1/02
·  ·  using treadles built into the road (pads or other sensitive devices responsive to passage of vehicles E01F 11/00)
 G08G 1/04
·  ·  using optical or ultrasonic detectors
 G08G 1/06
( transferred to G01S 9/00 )
 G08G 1/065
·  by counting the vehicles in a section of the road or in a parking area, i.e. comparing incoming count with outgoing count
 G08G 1/07
·  Controlling traffic signals
 G08G 1/08
·  ·  according to detected number or speed of vehicles
 G08G 1/085
·  ·  using a free-running cyclic timer
 G08G 1/09
·  Arrangements for giving variable traffic instructions (displaying variable information in general G09F 9/00)
 G08G 1/095
·  ·  Traffic lights
 G08G 1/096
·  ·  Indicators in which a mark progresses showing the time elapsed, e.g. of green phase
 G08G 1/097
·  Supervising of traffic control systems, e.g. by giving an alarm if two crossing streets have green light simultaneously
 G08G 1/10
·  taking photographs, e.g. of vehicles travelling at a speed in excess of a predetermined value
 G08G 1/12
·  indicating the position of scheduled vehicles, e.g. of buses to a central station
 G08G 1/14
·  indicating individual free spaces in parking areas
 G08G 1/16
·  Anti-collision systems  [2]
 G08G 3/00
Traffic control systems for marine craft
 G08G 3/02
·  Anti-collision systems
 G08G 5/00
Traffic control systems for aircraft  [2]
 G08G 5/02
·  Automatic landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
 G08G 5/04
·  Anti-collision systems
 G08G 5/06
·  for control when on the ground  [2]
 G08G 7/00
Traffic control systems for simultaneous control of two or more different kinds of craft  [2]
 G08G 7/02
·  Anti-collision systems  [2]
 G08G 9/00
Traffic control systems for craft where the kind of craft is irrelevant or of an unspecified kind  [2]
 G08G 9/02
·  Anti-collision systems  [2]