Abstract: A repeater, broadcast transmitting system, and method for relaying a broadcast signal between a gateway apparatus and a client apparatus are provided. The repeater includes a first interface which is configured to be connected to a gateway apparatus via a Wi-Fi communication protocol and is configured to receive a broadcast signal from the gateway apparatus; and a second interface which is configured to be connected to a client apparatus via the Wi-Fi communication protocol and is configured to transmit the broadcast signal to the client apparatus, wherein the first interface and the second interface use different frequency bands.

Abstract: Provided are a three dimensional (3D) display apparatus, a method of setting up a graphic user interface (GUI) thereof, and 3D glasses. The method of providing a GUI of the 3D display apparatus operating in association with the 3D glasses includes receiving a signal including battery information from the 3D glasses, generating a GUI related to the battery information of the 3D glasses, using the battery information contained in the received signal, and displaying the generated GUI on a screen of the 3D display apparatus.

Abstract: A display apparatus, three-dimensional (3D) glasses, and a display system including the display apparatus and the 3D glasses are provided. The 3D glasses which interwork with an external display apparatus include: a wireless receiver which receives a sync signal and audio signals from the external display apparatus; a shutter driver which drives shutters according to the received sync signal; and an audio output part which processes and outputs the received audio signal. Thus, users can individually enjoy contents without interfering with one another by selecting and listening to audio corresponding to an image viewed through the display apparatus.

Abstract: A repeater and method of controlling thereof are provided. The repeater includes: a first interface unit which is configured to be connected to a gateway apparatus via a Wi-Fi communication protocol; and a second interface unit which is configured to be connected to a client device via the Wi-Fi communication protocol, wherein at least one of the first and second interface units comprises a filter which filters different frequency bands.

Abstract: An access point and a method for connecting wireless communication thereof are provided. The method includes, if a connecting device is connected to the access point, registering information of the connecting device, if the connecting device transmits a first signal in response to a beacon message of the access point after having been disconnected from the access point and connected to a host device, determining whether the connecting device is already registered using the first signal, and, if it is determined that the connecting device is already registered, connecting to the host device via the wireless communication connection.

Abstract: Apparatus, method, and system for synchronization and a three-dimensional (3D) display apparatus using the same are provided. The 3D display apparatus includes: a power generator which generates power based on a received alternating current (AC) power signal, a detector which detects zero crossing points of time of the received AC power signal, and a controller which generates a reference signal based on the detected zero crossing points of time and transmits the reference signal to at least one other 3D display apparatus.

Abstract: A display apparatus, three-dimensional (3D) glasses, and a display system including the display apparatus and the 3D glasses are provided. The 3D glasses which interwork with an external display apparatus include: a wireless receiver which receives a sync signal and audio signals from the external display apparatus; a shutter driver which drives shutters according to the received sync signal; and an audio output part which processes and outputs the received audio signal. Thus, users can individually enjoy contents without interfering with one another by selecting and listening to audio corresponding to an image viewed through the display apparatus.

Abstract: An access point and a method for connecting wireless communication thereof are provided. The method includes, if a connecting device is connected to the access point, registering information of the connecting device, if the connecting device transmits a first signal in response to a beacon message of the access point after having been disconnected from the access point and connected to a host device, determining whether the connecting device is already registered using the first signal, and, if it is determined that the connecting device is already registered, connecting to the host device via the wireless communication connection.

Abstract: Disclosed are a display apparatus, three-dimensional (3D) glasses and a control method thereof. The method of controlling three-dimensional (3D) glasses for a display apparatus includes: synchronizing clocks for communicating with the 3D glasses; generating drive timing information for driving shutters of the 3D glasses from the synchronized clocks and a frame sync signal of a displayed image; and transmitting a glasses control message, comprising the drive timing information, to the 3D glasses.

Abstract: Disclosed are a display apparatus, three-dimensional (3D) glasses and a control method thereof. The method of controlling three-dimensional (3D) glasses for a display apparatus includes: synchronizing clocks for communicating with the 3D glasses; generating drive timing information for driving shutters of the 3D glasses from the synchronized clocks and a frame sync signal of a displayed image; and transmitting a glasses control message, comprising the drive timing information, to the 3D glasses.

Abstract: An access point and a method for connecting wireless communication thereof are provided. The method includes, if a connecting device is connected to the access point, registering information of the connecting device, if the connecting device transmits a first signal in response to a beacon message of the access point after having been disconnected from the access point and connected to a host device, determining whether the connecting device is already registered using the first signal, and, if it is determined that the connecting device is already registered, connecting to the host device via the wireless communication connection.

Abstract: A display apparatus, three-dimensional (3D) glasses, and a display system including the display apparatus and the 3D glasses are provided. The 3D glasses which interwork with an external display apparatus include: a wireless receiver which receives a sync signal and audio signals from the external display apparatus; a shutter driver which drives shutters according to the received sync signal; and an audio output part which processes and outputs the received audio signal. Thus, users can individually enjoy contents without interfering with one another by selecting and listening to audio corresponding to an image viewed through the display apparatus.

Abstract: Disclosed are a display apparatus, three-dimensional (3D) glasses and a control method thereof. The method of controlling three-dimensional (3D) glasses for a display apparatus includes: synchronizing clocks for communicating with the 3D glasses; generating drive timing information for driving shutters of the 3D glasses from the synchronized clocks and a frame sync signal of a displayed image; and transmitting a glasses control message, comprising the drive timing information, to the 3D glasses.

Abstract: A repeater, broadcast transmitting system, and method for relaying a broadcast signal between a gateway apparatus and a client apparatus are provided. The repeater includes a first interface which is configured to be connected to a gateway apparatus via a Wi-Fi communication protocol and is configured to receive a broadcast signal from the gateway apparatus; and a second interface which is configured to be connected to a client apparatus via the Wi-Fi communication protocol and is configured to transmit the broadcast signal to the client apparatus, wherein the first interface and the second interface use different frequency bands.

Abstract: A repeater and method of controlling thereof are provided. The repeater includes: a first interface unit which is configured to be connected to a gateway apparatus via a Wi-Fi communication protocol; and a second interface unit which is configured to be connected to a client device via the Wi-Fi communication protocol, wherein at least one of the first and second interface units comprises a filter which filters different frequency bands.

Abstract: Disclosed are an electronic device and a method for updating software thereof. The electronic device includes: a communication unit which includes predetermined software needed for communicating with an exterior; a first storage which stores user information set up in the electronic device; a user input unit; and a controller which updates the software with an update file needed for updating the software and sets up the stored user information again in the communication unit if receiving update instruction for the software through the user input unit.

Abstract: Disclosed are a display apparatus, three-dimensional (3D) glasses and a control method thereof. The method of controlling three-dimensional (3D) glasses for a display apparatus includes: synchronizing clocks for communicating with the 3D glasses; generating drive timing information for driving shutters of the 3D glasses from the synchronized clocks and a frame sync signal of a displayed image; and transmitting a glasses control message, comprising the drive timing information, to the 3D glasses.

Abstract: Disclosed are a display apparatus and a system including the same. A 3-dimensional (3D) display apparatus includes a display unit; a video signal processor which extracts frame sync signals corresponding to a left-eye image and a right-eye image from a predetermined 3D video signal, and processes the left-eye image and the right-eye image to be alternately displayed on the display unit; and a first communication unit which communicates with an external 3D display apparatus, and transmits a display sync signal based on the extracted frame sync signal to the external 3D display apparatus so that a 3D image displayed in the external 3D display apparatus can be synchronized with order of the left-eye image and the right-eye image displayed on the display unit.

Abstract: Three dimensional (3D) glasses and a 3D display apparatus are provided. The 3D glasses receive a sync signal from the 3D display apparatus through at least one of an infrared signal and a radio frequency signal.

Abstract: An access point and a method for connecting wireless communication thereof are provided. The method includes, if a connecting device is connected to the access point, registering information of the connecting device, if the connecting device transmits a first signal in response to a beacon message of the access point after having been disconnected from the access point and connected to a host device, determining whether the connecting device is already registered using the first signal, and, if it is determined that the connecting device is already registered, connecting to the host device via the wireless communication connection.