Abstract: An apparatus for projecting an image, according to one embodiment of the present invention, projects an image, detects a user gesture operation in an area between an image screen area, where an image screen corresponding to the projected image is displayed, and the apparatus for projecting an image, and carries out a control operation corresponding to the detected gesture operation. The operation of detecting the user gesture operation includes distinguishing, into a plurality of areas, the area between the image screen area and the apparatus for projecting an image, and detecting the user gesture operation with respect to the plurality of distinguished plurality of areas.

Abstract: An apparatus for projecting an image, according to one embodiment of the present invention, projects an image, detects a user gesture operation in an area between an image screen area, where an image screen corresponding to the projected image is displayed, and the apparatus for projecting an image, and carries out a control operation corresponding to the detected gesture operation. The operation of detecting the user gesture operation includes distinguishing, into a plurality of areas, the area between the image screen area and the apparatus for projecting an image, and detecting the user gesture operation with respect to the plurality of distinguished plurality of areas.

Abstract: The present invention relates to a method for controlling content-sharing among a plurality of content-providing devices. The method includes: receiving information on a content from a first content playback device and displaying images corresponding to the content; storing the received content information; and transmitting the stored content information to a second content playback device and ending the displaying of the images corresponding to the content.

Abstract: The present invention relates to a method for controlling content-sharing among a plurality of content-providing devices. The method includes: receiving information on a content from a first content playback device and displaying images corresponding to the content; storing the received content information; and transmitting the stored content information to a second content playback device and ending the displaying of the images corresponding to the content.

Abstract: According to an embodiment of the present invention, a method for providing object information includes determining an eye direction of a person toward a first region of a transparent display, selecting at least one object seen via the transparent display in the determined eye direction, acquiring information on the selected object, and displaying the acquired information on the transparent display.

Abstract: According to an embodiment of the present invention, a method for detecting an object includes receiving, on a transparent display, object selection information, determining an eye direction associated with the received object selection information, selecting at least one object displayed within a region of the transparent display defined by the received object selection information based on the determined eye direction, acquiring information on the selected object, and displaying the acquired information on the transparent display.