Road traffic control system
First Claim
1. A road traffic control system comprising:
- three traffic lights installed above one lane at a road intersection;
a plurality of indicators installed above another lane at the road intersection;
a light controller electrically connected to the traffic lights and the plurality of indicators, wherein the light controller synchronously controls the traffic lights and the plurality of indicators to emit the same color of light; and
a plurality of alarms positioned on a guardrail and electrically connected to the light controller;
wherein when the traffic lights are changed to yellow or red color, the light controller sends a command signal to the alarms to activate and enable the alarms to output warning signals to alert the driver to slow down or stop in time.
1 Assignment
0 Petitions
Accused Products
Abstract
A road traffic control system is applied to an intersection to control traffic and includes a light support, three traffic lights, a bracket, a number of indicators and a light controller. The light support is installed at one side of one lane at the intersection; the traffic lights are fixed on the light support and above the lane. The bracket is installed at one side of another lane at the intersection, and a number of stop lines are formed on the lane. The indicators are fixed on the bracket and above the stop lines to control traffic. The light controller controls to synchronously turn on or off the plurality of indicators and the traffic lights, and the indicators emit the same color light as the traffic lights.
-
Citations
18 Claims
-
1. A road traffic control system comprising:
-
three traffic lights installed above one lane at a road intersection; a plurality of indicators installed above another lane at the road intersection; a light controller electrically connected to the traffic lights and the plurality of indicators, wherein the light controller synchronously controls the traffic lights and the plurality of indicators to emit the same color of light; and a plurality of alarms positioned on a guardrail and electrically connected to the light controller; wherein when the traffic lights are changed to yellow or red color, the light controller sends a command signal to the alarms to activate and enable the alarms to output warning signals to alert the driver to slow down or stop in time. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. A road traffic control system applied to an intersection to control traffic, the road traffic control system comprising:
-
a light support installed at one side of one lane at the intersection; three traffic lights fixed on the light support and located above the lane to control traffic; a bracket installed at one side of another lane at the intersection, the lane includes a plurality of stop lines; a plurality of indicators fixed on the bracket and positioned above the stop lines of the lane to control traffic; a light controller electrically connected to the plurality of indicators and the traffic lights, wherein the light controller controls to turn on or off the plurality of indicators and the traffic lights synchronously, and the plurality of indicators emit the same color light with the traffic lights according to road condition; and a plurality of alarms positioned on a guardrail and electrically connected to the light controller; wherein when the traffic lights are changed to yellow or red color, the light controller sends a command signal to the alarms to activate and enable the alarms to output warning signals to alert the driver to slow down or stop in time. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
-
Specification