"Hearing" air bags - Vehicles

Since 2007 due to the development of Siemens VDO Automotive AG, airbags will begin to operate not only from shock, but from the sound. The company has developed a special sensor that monitors vibrations in the chassis. Thus, the collision is recorded before, and its severity is measured by the sensor within a few milliseconds, after which the sensor includes emissions required airbags and locks the seat belt.Siemens VDO emergency supplies sensors automakers around the world since 1996 and the new sensors should receive wide dissemination. Before installing in the car the sensor is able to `hear` the accident, have been tested millions of times. The device is called Crash Impact Sound Sensor (CISS). The principle of its action is based on the fact that the collision of various severity sound waves are also different. In combination with information about the acceleration they give electronics a clear picture of what is happening. Sensors CISS will be installed as an additional together with normal. Siemens VDO is also working to create a `sighted car`, which will be able to avoid incidents.05.05.2005.

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