US Patent 7995077 Portable electronic device

A portable electronic equipment includes a main body, a display screen, an orientation sensing module and a display controlling module. The display screen is arranged on the main body for displaying an image in an original orientation. The orientation sensing module includes a first elongated chamber, a first sensing unit, a second sensing unit, an opaque medium partially filled in the first elongated chamber and an air pocket received in the first elongated chamber. The display controlling module is configured for deviating the displayed image at a given angle clockwise or counterclockwise from the original orientation of the image.