Samsung Electronics Co., Ltd.

Ki-Won Kwak

Chun-Un Kang

Min-Woo Jung

Chang-Nam Chu

Dae-Hyun Lee

Jae-sung Park

Min-Woo Ko

Jeong-Su Yun

Provided is a service access control system using an embedded browser agent. The service access control system includes: a server providing an Internet protocol service; and a browser agent including device information and service information and controlling the access of a device to the server. When the service access control system is used, device dependence can be minimized in an embedded browser-based IPTV service, and the IPTV service can be freely used by utilizing only a browser.

Service access control system and method using embedded browser agent

Provided are an a display apparatus, a system and a control method thereof for a display apparatus, comprising: a video signal processing unit which processes a video signal; a display unit which displays the processed video signal; a storage unit which stores ID information of the display apparatus; a communication unit which performs network communication based on an internet protocol (IP) with an external apparatus; and a control unit which downloads an application program determined to correspond to the ID information transmitted through the communicating unit from the external apparatus to execute the application program so that a predetermined function can be performed.

Display apparatus, system, and application program control method thereof

Disclosed are an apparatus for providing additional information by using an extension subtitle file including an inverse multiplexing unit to separate video and audio data from a multimedia file input by a data input unit, an XML parser to parse a caption data file and an additional information data file input by the data input unit, video and audio data processing units to decode the video and audio data input by the inverse multiplexing unit, and convert the decoded video and audio data into predetermined video and audio signals, a caption processing unit to process the caption data parsed and input by the XML parser, an additional information data processing unit to process the additional information data file parsed and input by the XML parser, and to generate user interface information based on the processed additional information, and a data output unit to display the processed video, audio, caption and user interface information.

Apparatus and method for providing additional information using extension subtitles file

A method and apparatus for providing an encrypted key based on a DRM type of a host device are provided. The method includes receiving available DRM type information of a host device, making a request for generation of a key object based on the received available DRM type information, and transmitting the generated key object to the host device.

Method and apparatus for providing encrypted key based on DRM type of host device

A cache method and a cache system for storing file's data in memory blocks divided from a cache memory are disclosed. The cache method for storing data of a file in memory blocks divided from a cache memory includes: receiving a request command for first data of a first file from an application; retrieving a memory block that stores the first data; setting reference information which indicates that the memory block storing the first data is referred to by the application; transmitting the first data stored in the memory block to the application; and resetting the reference information for the memory block that stores the first data.

Growing community of inventors

Seongnam-si, South Korea

Ki-Won Kwak