Blind Spot Detection Technology Working Principle in the Car

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One of the most difficult things about driving is dealing with blind spots. We all have side mirrors and rearview mirrors on our vehicles, but these mirrors only give us limited vision of the other vehicles around us. That is why drivers are supposed to turn their heads whenever they’re making a turn or changing lanes. It is the only way to make sure that no other vehicles are approaching from the side. If you just rely on your mirrors without turning your head, then you won’t be able to see when a vehicle enters your blind spot. This could cause an accident and/or injury.

Working Principle

Now there is something called blind spot detection technology which is being integrated into newer vehicles. This technology contains sensors that will detect when another vehicle is entering any blind spot around your vehicle. For instance, if a vehicle approaches a blind spot on the left side of your vehicle, then the light on your left side view mirror will start flashing. If you are attempting to change lanes, this technology may warn you by vibrating your steering wheel or causing a beeping sound to go off. Basically, you will have complete 360-degree detection around your vehicle.

Rear View Cameras

Blind spots exist behind the vehicle too. Drivers mainly have problems with rear blind spots when they try to back up or park in a space behind them. But now, some cars have rearview cameras which provide a video feed from directly behind the vehicle. Your dashboard has a screen which shows you the video in real time. This means that you can just watch the screen in front of you to check the rear blind spots.

Read also: How do Climate-Controlled Car Seats work

Sensors and Sonars

The front and back of your vehicle feature electromagnetic sensors that can detect how close other objects are to your vehicle. Some versions of blind spot detection technology use ultrasonic waves to detect these objects instead. This is often referred to as parking sonar. Once an object is detected from these sensors or sonars, you will be alerted through a light or sound turning on.

Lane Departure Warning Systems

A lot of accidents occur because drivers weave in and out of their lanes. They might do this because they’re intoxicated or simply distracted on their mobile phone. This is especially dangerous when done on the interstate where driving speeds are faster. Fortunately, the latest blind spot detection technology has a lane departure warning system integrated into it. This features cameras that are placed on the side view mirrors which can detect how close the vehicle is to the white line on the side. If it gets too close, the driver will be alerted.

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