iPod Technology - Accelerometer

Have you ever wondered how an iPod knows whensee an entire web page, control a game using only
you flip it or how it can respond to a game you areyour movements or view a photo in the proper
playing on the screen? This piece of technology isaspect ratio.
called the accelerometer and it is a vital piece of theAccelerometer technology also works in connection
iPod puzzle. The accelerometer inside the iPod touchwith other devices. For instance, in April 2008, Nike
uses three elements; An electrical current, siliconand iPod teamed up for Nike + iPod. Nike + iPod
mass, silicon springs. When these elements are tiedallows you to track your workouts and receive
together, they give the user an incredible gamingprogress updates such as distance and calories
experience. The silicon springs measure the positionburned through your headphones. A small device is
of the silicon mass and cause a fluctuation in theplaced in your shoe and the device interacts with
electrical current. The springs do this by gaugingyour iPod and allows you to upload your workout
where the electrical current is moving through thestatistics into your iTunes library for future use.
silicon mass. When the silicon moves, the currentAlso, the Nike+iPod combination allows you to create
changes and the LCD screen receives a differentcustomer workouts and can even interact with your
signal. This variation then sends a signal to the iPodworkout equipment. Treadmills, elliptical machines and
telling it to adjust the game or whatever is on thestationary bikes made by some of the larger
screen. The iPod touch detects when you rotate itequipment manufacturers, now have the capability to
from portrait to landscape and automatically changesrecord cardio workouts directly to a users' iPod
the display accordingly. By simply flipping the devicedevice.
to a portrait or landscape view, you can immediately