Electronic wireless traffic information indicating system and device for day and night

Abstract

The embodiment of the invention provides a 24-hour electronic wireless system for indicating traffic information and a device thereof, which comprises a wireless launcher and a wireless receiver. The wireless launcher is arranged on a traffic light or a traffic guide board and used for directionally transmitting a first and a second digitally encoded wireless signals with varied spread velocities. The wireless receiver is arranged in a running vehicle and used for directionally receiving the first and the second wireless signals. The wireless receiver is also used for reading the contained digitally encoded information according to the received signals. Simultaneously, the wireless receiver calculates the distance between the vehicle and the traffic junction ahead and the relative velocity according to the phase time difference according to the received first and second wireless signals. The system of the invention is free of influence from weather condition and poor visibility. Therefore, the system is capable of providing 24-hour traffic information indication to the passing vehicles and controlling the running vehicles when necessary so as to prevent red light violation and dangerous driving. Simultaneously, the system can carry out relay transmission on the traffic information so that the succeeding vehicles can receive the relative information at the same time.

Description

technical field

[0001] The invention relates to a traffic information indicating system, in particular to an all-weather electronic wireless traffic information indicating system and device. Background technique

[0002] Traditional traffic information indication systems and devices are mainly traffic lights (traffic lights for short) and traffic signs (street signs for short), which provide traffic indication information, road indication information, target address information, and road condition information ahead, weather prompt information, or Other traffic management information, etc.

[0003] The world's first traffic sign with red, yellow and green lights was officially born in New York City, USA in 1918, and it has a history of 90 years. The emergence of three-color traffic lights has brought revolutionary changes to urban traffic. Its control system has also developed from electrical control in the 1950s to today's electronic and computer intelligent control, making...

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