A road safety early warning device
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- 徐以强
- Publication Date
- 2021-07-06
- Estimated Expiration
- Not applicable · inactive patent
Smart Images

Figure 1 
Figure 2 
Figure 3
Abstract
Description
technical field
[0001] The invention relates to the technical field of highway speed limit, in particular to a highway safety early warning device. Background technique
[0002] At present, the car has become a relatively popular means of transportation. During driving, the speed limit is directly related to public safety; while the driver is driving, he will ignore the situation in front of the car when checking the speedometer, which is likely to cause danger; On the other hand, more roads do not have speed limit signs. Even if the speed limit signs usually only appear at intersections, they are easily ignored. Therefore, in many cases, drivers do not know the speed limit of the current road at all, which makes It is difficult for the driver to control the speed of the vehicle. Contents of the invention
[0003] The purpose of the present invention is to solve the problems in the prior art, and propose a road safety early warning device.
[0004] In order to achieve th...