2013年3月28日星期四

car backup parking sensor


Few years ago ,i have heard some information about pilotless automobile ,im always puzzled by this high technology ,how they can do this ? When i grow up ,i have learn some informations about computer ,i feel happy ,i have noticed that there are lots of knowledges and things existence in our modern society ,the world we are lived on have lots of misteries and things waiting for us to explore and use .
Car backup parking sensors invention is largely depend on the beautiful world we lived in .its use the theory of supersonic ,when we say the topic about supersonic ,its have a long history ,we all have benefits from it ,The ultrasonic sound waves with frequencies higher than 20000 Hz, it is a good direction, strong penetrating ability, easy access to more focused sound energy, in the water, far transmission distance, can be used for distance, velocity, cleaning, welding, gravel, sterilization. There are many applications in medical, military, industry, agriculture. Ultrasonic wave is so named because its lower frequency limit is approximately equal to the upper limit of human hearing .
Car backup parking sensor is a device can warming people have a special care to those obstacles people can not see .car backup parking have two kinds ,one is electromagnetic parking sensor ,the other one is supersonic backup parking sensor .Electromagnetic parking sensor relies on a vehicle moving slowly, steadily toward the object. When the obstacle is detected, the vehicle temporarily stops, the sensor will get the signal the presence of an obstacle. Electromagnetic parking sensors offer unique design, discrete mounted in the bumper inner .supersonic backup parking sensor also have a amount of users .
If you like professional car parking radar system for your beloved car ,4 Parking Sensors Car Reverse Backup Front Rear LCD Display System Radar Alarm is a good choice ,its can detect small children and low walls as well and help to prevent dangerous and costly collisions ,its also with large digital colored LCD display and sound alert that drivers can have a special care to do some action to dismiss those potential risks .act now ,dont hesitate !



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