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An accelerometer acts as a motion or tilt sensor. A user’s motion can be detected and used to orient the display, as when using a map, and to conveniently search through data such as WebPages or lengthy text. It also eliminates small or difficult buttons that are often hard to use.
A tilt-compensated compass allows for users to have a more accurate compass that can be viewed in any position that a user chooses to hold the display.
Gaming applications use an accelerometer as a motion sensor that enhances the user interface of any game. Sensing the movement of the user allows for that movement to be translated into motion for a game. This provides a simpler and more interactive user interface.
A pedometer measures the distance or speed that a person travels. By wearing a pedometer motions can be measured and can also be useful for athletes or simply those who are interested in their activity.
Today almost all mobile phones are equipped with cameras. The actions required to use the camera - especially with the reduced size of the buttons - require uncontrolled movements that can be corrected using.
Hard-disk-drives are included in many portable devices such as Laptops, PocketPCs, PDAs, MP3 Players and portable media centers. If these devices should be dropped, the HDD head can slide over the drive erasing the data. Using a MEMS sensor, the freefall can be measured and act as a safety feature that can signal the hard disk head to park away and protect all data. This is done using an acceleration sensor that can detect movements along all three dimensions (X, Y and Z axis).
Using a MEMS sensor medical devices like pace makers can adapt to the activity of the patient. Furthermore, blood pressure can be measured invasively or non-invasively. Acceleration data coming from different parts of the body can monitor the evolution of a disease, for example before and after therapeutic treatment.
Devices may require dedicated setup or specific fine tuning to enhance performance and they are usually managed through the menu functions. However, now using MEMS these devices can sense the context it is in and react accordingly. For instance, users no longer need to switch on or off the ring tones manually on their phone. By simply placing the phone upside down the ringer can be switched off. Projectors can sense angles or positions and adjust the picture accordingly.
Antitheft alarms based on MEMS accelerometers can detect movement in any desired access, protecting briefcases, laptops and other mobile hardware from unauthorized removal. Normal movements can easily be distinguished from suspect activity, minimizing false alarms.
Athletes can now practice sports while having immediate feedback on their performance. MEMS accelerometers can be placed into an easy and light portable device that can measure their status. This information can be stored and kept track of over time to keep track of progress and adjust a user’s workout program.
A MEMS acceleration sensor detects fine movements and controls them. This can be the case to monitor the movement for saving electricity or prevent damage caused by the vibration.
MEMS Sensors can measure a temperature and control a device, e.g. give alarm in case the measured object is overheated, or simply indicate the surrounding temperatur, e.g. in outdoor activities as a parameter of weather condition.
A pressure sensor works as an altimeter, giving your height above sea level for hiking, biking, skiing and other outdoor sports. Check your altitude on the map and find the right trail. Monitor your daily sport acitivity. The resolution of better than +-1 meter (3 ft.) can detect smallest changes in altitude.
The speed of barometric pressure change indicates fair, cloudy, rainy or stormy weather for a local forecast.
Augmented reality enhances your current perception of reality. The view of a real-world environment is augmented with computer-generated information in real-time based on sensory inputs such as linear acceleration, rotation, gravity. These sensory inputs are provided by Bosch Sensortec sensors.