| CPC G03B 21/147 (2013.01) [G03B 43/00 (2013.01)] | 17 Claims |

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1. An electronic apparatus comprising:
a main body;
a projector;
a plurality of sensors comprising:
an acceleration sensor configured to detect a sensing value, and
a plurality of distance sensors configured to detect a distance value between the electronic apparatus and a screen;
a support structure connected to an outer side surface of the main body through a hinge structure so that the main body is rotatable about the hinge structure, the support structure configured to support the main body on a supporting surface; and
a processor configured to:
identify a vertical angle by which the electronic apparatus is tilted based on a direction of gravity, based on the sensing value detected by the acceleration sensor,
identify a rotation angle by which the electronic apparatus is rotated based on a distance between the screen and the electronic apparatus based on the distance value detected by the plurality of distance sensors,
perform a function corresponding to a keystone correction for an image to provide a modified image,
identify a size of the modified image based on at least one of the vertical angle or the rotation angle, and
control the projector to project the modified image on the screen based on the identified size of the modified image.
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