High Technology

  • Accelerometer. Made to move.

iPhone responds to motion using a built-in accelerometer. When you rotate iPhone from portrait to landscape, the accelerometer detects the movement and changes the display accordingly. So you immediately see the entire width of a web page, view a photo in its proper aspect ratio, or control a game using only your movements.

How it works.

The accelerometer inside iPhone uses three elements: a silicon mass, a set of silicon springs, and an electrical current. The silicon springs measure the position of the silicon mass using the electrical current. Rotating iPhone causes a fluctuation in the electrical current passing through the silicon springs. The accelerometer registers these fluctuations and tells iPhone to adjust the display accordingly.

  • Smart Sensors

Built into iPhone are two small but intelligent sensors that pick up cues from the environment and adjust the screen accordingly. These sensors both work to maximize the battery life and improve your iPhone experience.

Ambient light sensor.

The ambient light sensor in iPhone automatically brightens the display when you’re in sunlight or a bright room and dims it in darker places.

Proximity sensor.

When you lift iPhone to your ear, the proximity sensor immediately turns off the display to save power and prevent inadvertent touches.

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