Abstract: Provided is a method and apparatus for providing a three-dimensional (3D) polyhedral user interface. A first polyhedron may be formed of a plurality of blocks which are mapped with a plurality of pieces of information. A user may manipulate rotation of some of the blocks to generate a second polyhedron.

Abstract: Provided is a multimedia device that has a detachable controller. The detachable controller may attach to a main body of a multimedia device and act as a control panel of the main body. Further, the controller may be detached from the main body of multimedia device and act as a remote controller of the multimedia device.

Abstract: A game controller, a game machine, and a game system including the game system. The game controller is a device for manipulating a game program, and at least a portion of a body portion of the game controller is deformable to have forms that are adapted to contents of a game. Accordingly, a physical sensation when a user plays a game may be improved.

Abstract: Provided is a multi-functional optical disc drive that includes an interface that connects a front-end of the optical drive to a back-end, and also connects the front-end of the optical drive to an external device. The optical drive also includes a controller that selectively controls connection to the back-end or the external device.

Abstract: A disk used for fabricating graphene, a multilayered plate, and a method of manufacturing the same are provided. The disk includes a thermoplastic polymer substrate with a reflection layer disposed on one side of the thermoplastic polymer substrate; and a graphite oxide layer provided on the thermoplastic polymer substrate. The method of manufacturing a disk for fabricating graphene involves: obtaining a thermoplastic polymer substrate with a reflection layer disposed on one side thereof; and applying a graphite oxide layer on the thermoplastic polymer substrate.

Abstract: A method of fabricating graphene using a plurality of light sources is provided. The method includes irradiating a graphite oxide layer on a substrate with light from a first light source, and irradiating the irradiated graphite oxide layer with light from a second light source.

Abstract: An optical disk for fabricating graphene, a multilayered plate for fabricating graphene, and a method of manufacturing the optical disk or multilayered plate are provided. The optical disk includes a thermoplastic polymer substrate with a reflection layer for reflecting incident light, and a graphite oxide layer applied on the thermoplastic polymer substrate. The method of manufacturing a disk for fabricating graphene involves: obtaining a thermoplastic polymer substrate with a reflection layer for reflecting incident light; and applying a graphite oxide layer on the thermoplastic polymer substrate.

Abstract: A method of fabricating graphene using a plurality of light sources, and an apparatus for fabricating graphene are provided. The apparatus for fabricating graphene includes a first light source configured to irradiate a graphite oxide layer on a substrate, a second light source configured to further irradiate the irradiated graphite oxide layer, and a control unit configured to control an order of irradiation from the first light source and the second light source.

Abstract: Provided is an optical write device and method. The optical recording method includes generating a first signal including a preset write pulse power Pm in response to information to be written, generating a second signal including an over drive pulse power Po that is synchronized with the preset write pulse power Pm and which is at a higher level than the preset write pulse power Pm, and writing the information to an optical disc using a driving signal that is obtained by synthesizing the first and second signals.

Abstract: Described is an example of an apparatus and method for providing a graphic user interface (GUI). A plurality of icons may be displayed on a screen. A frequency of use of each of the icons displayed on the screen may be stored. Accordingly, an external appearance of at least one icon from among the plurality of icons may be changed to reflect the frequency of use of the plurality of icons.

Abstract: Provided is a remote controller that enables a user of the remote controller to zoom in and zoom out on a selected object while holding the remote controller with one hand. Also provided is a system including the remote controller and a multimedia device including a display for displaying the object.

Abstract: Provided is a method and apparatus for providing a three-dimensional (3D) polyhedral user interface. A first polyhedron may be formed of a plurality of blocks which are mapped with a plurality of pieces of information. A user may manipulate rotation of some of the blocks to generate a second polyhedron.

Abstract: Described is an apparatus and method for providing a graphic user interface. A main body of the apparatus may provide a plurality of user interfaces on a display and a remote controller of the apparatus may provide a plurality of user interfaces on the remote controller. A user interface provided by the main body may be synchronized with a user interface provided on the remote controller for the convenience of the user.

Abstract: An input apparatus and method are provided. The input apparatus includes an input unit that includes at least one key. The input unit may receive at least one input coordinate corresponding to the at least one key. The apparatus also includes a control unit to update a key area of the input unit based on the at least one input coordinate.

Abstract: Provided is method and system for remotely managing digital contents. A digital content folder is generated and has a size corresponding to a capacity of an optical disc. Digital contents may be uploaded to the digital content folder. The digital contents uploaded to the digital content folder may be copied to an optical disc that has a size corresponding to the size of the digital content folder.

Abstract: Provided is a multi-functional optical disc drive that includes an interface that connects a front-end of the optical drive to a back-end, and also connects the front-end of the optical drive to an external device. The optical drive also includes a controller that selectively controls connection to the back-end or the external device.

Abstract: Provided is an optical write device and method. The optical recording method includes generating a first signal including a preset write pulse power Pm in response to information to be written, generating a second signal including an over drive pulse power Po that is synchronized with the preset write pulse power Pm and which is at a higher level than the preset write pulse power Pm, and writing the information to an optical disc using a driving signal that is obtained by synthesizing the first and second signals.

Abstract: Provided is a multimedia device. The multimedia device includes a multimedia signal processing apparatus for decoding data input from the outside based on an Operating System (OS) and outputting the decoded data as a first multimedia signal. The multimedia device also includes an Optical Disc Drive (ODD) apparatus for acquiring data from an optical disc, decoding the acquired data, and outputting the decoded data as a second multimedia signal. The multimedia device also includes an output switch for selectively outputting one of the first multimedia signal and the second multimedia signal.

Abstract: Provided is a multimedia device that has a detachable controller. The detachable controller may attach to a main body of a multimedia device and act as a control panel of the main body. Further, the controller may be detached from the main body of multimedia device and act as a remote controller of the multimedia device.

Abstract: A game controller, a game machine, and a game system using the game controller is provided. The game controller manipulates a game program, and includes an energy harvesting unit to harvest motion of a user as energy when a game is played and an energy storing unit to store the energy harvested by using the energy harvesting unit.