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Byung-Tak Lee

Byung-Tak Lee, Suwon-Si KR

Patent application numberDescriptionPublished
20100138302UE AND ADVERTISEMENT SERVICE SERVER FOR BIDIRECTIONAL PERSONALIZED ADVERTISEMENT, AND BIDIRECTIONAL PERSONALIZED ADVERTISEMENT METHOD - A user equipment and an advertisement service server for a bidirectional personalized advertisement, and a bidirectional personalized advertisement method are provided. The UE receives user setting information and advertisement meta-information from the advertisement service server, stores the received user setting information and advertisement meta-information, searches for advertisement contents corresponding to the user setting information from the stored advertisement meta-information and selects the found advertisement contents when an advertisement event occurs, and displays the selected advertisement contents. Accordingly, the dependence of an online advertisement service on a particular media service can be prevented.06-03-2010
20110058810OPTICAL NETWORK UNIT (ONU) AND METHOD OF OPERATING THE ONU - Provided is an Optical Network Unit (ONU) and a method of operating the ONU. The ONU may include: a measurement unit to measure a downstream optical signal strength of downstream data received from an Optical Line Termination (OLT) via an optical splitter; a determination unit to determine an upstream optical signal strength based on the measured downstream optical signal strength; and a communication unit to transmit, to the OLT via the optical splitter, upstream data generated based on the determined upstream optical signal strength.03-10-2011
20110061070PARTICIPANT TERMINAL DEVICE, WIRED AND WIRELESS COUPLED SERVER FOR SUPPORTING BROADCASTING PARTICIPATION, AND METHOD OF PROVIDING PARTICIPATIONAL BROADCASTING SERVICE - Provided are a participant terminal device, a wired and wireless coupled server for supporting broadcasting participation, and a method of providing a participational broadcasting service. The wired and wireless coupled server may include: an information obtainment unit to obtain channel information associated with a broadcast provided to at least one participant terminal device among a plurality of terminal devices in response to a participation request from the at least one participant terminal device; and an information processor to enable the at least one participant terminal device to access a participation control server associated with the broadcasting participation using participation address information corresponding to the obtained channel information by identifying the participation address information and transmitting the identified participation address information to the at least one participant terminal device.03-10-2011
20110082691BROADCASTING SYSTEM INTERWORKING WITH ELECTRONIC DEVICES - Provided is a technology of controlling an electronic device using a broadcasting system. A control signal may be modulated to an audible frequency band and thereby be transmitted from a transmission apparatus to a reception apparatus using the broadcasting system. The reception apparatus may reproduce the control signal of the audible frequency band. A controller may perform a control operation based on the control signal.04-07-2011
20110106915CHANNEL SERVER, CHANNEL PREDICTION SERVER, TERMINAL, AND METHOD FOR FAST CHANNEL SWITCHING USING PLURALITY OF MULTICASTS INTEROPERATING WITH PROGRAM RATING PREDICTION - Provided are a channel server, a channel prediction server, a terminal, and a method for a fast channel switching. The channel server may generate at least one delay multicast stream from an original multicast stream by applying a different delay value based on channel preference information, and may determine an optimal multicast stream from the at least one delay multicast stream, and transmit, to a terminal, response information associated with the optimal multicast stream in response to query information associated with the original multicast stream received from the terminal.05-05-2011

Byung-Tak Lee, Suwon-City KR

Patent application numberDescriptionPublished
20100011389SYSTEM FOR GATHERING TV AUDIENCE RATING IN REAL TIME IN INTERNET PROTOCOL TELEVISION NETWORK AND METHOD THEREOF - A system for surveying audience ratings in real-time in an Internet protocol TV (IPTV) network and a method thereof are provided. The system for surveying audience ratings in real-time includes an electronic program guide (EPG) server providing channel information and audience rating survey server information to an IPTV client; the IPTV client outputting periodically reception information including channel and subscriber information, the channel being received after being selected based on the channel information; and an audience rating survey server surveying audience ratings based on the reception information. According to the system and method, the addition of any information in a broadcasting stream is not required for an audience rating survey, additional devices are not requested to be installed in the houses of viewers or listeners, and without the necessity of their cooperation, audience ratings can be automatically performed in real-time.01-14-2010
20100229211FAST CHANNEL CHANGE SYSTEM USING MULTIPLE MULTICASTS IN IPTV NETWORK AND METHOD THEREOF - Provided are a fast channel change apparatus based on multiple multicasts communication in an IPTV network, and a method thereof. In the fast channel change system, after separately generating at least one multicast stream obtained by applying different time delays respectively to original multicast stream to be broadcast, a channel server dynamically analyzes information regarding the at least one multicast stream. After querying the channel server for information regarding an optimal multicast stream and receiving the response to the query, a user terminal joins a multicast group on the optimal multicast stream through a router. After a predetermined time is elapsed, the user terminal joins a multicast group of the original multicast stream. Thus, it is possible to easily and inexpensively embody a fast channel change function network based on multiple multicasts communication in an IPTV network.09-09-2010

Byung-Tak Lee, Suwon KR

Patent application numberDescriptionPublished
20090089354USER DEVICE AND METHOD AND AUTHORING DEVICE AND METHOD FOR PROVIDING CUSTOMIZED CONTENTS BASED ON NETWORK - There is provided a user device for providing customized contents, including: a data receiving unit for receiving user multimedia data from outside; an authoring information setting unit for setting user authoring information on the user multimedia data upon a user's request; a data encoding unit for encoding the user multimedia data and the user authoring information to generate contents data; a data transmission unit for transmitting the generated contents data to a customized contents authoring device through a network; a data receiving unit for receiving authorized data transmitted from the customized contents authoring device; and a data output unit for extracting the customized contents data from the received customized data and outputting the extracted contents data.04-02-2009
20100033484PERSONAL-ORIENTED MULTIMEDIA STUDIO PLATFORM APPARATUS AND METHOD FOR AUTHORIZATION 3D CONTENT - There is provided a personal-oriented multimedia studio platform apparatus. A plurality of users to share multi-media objects by providing a function of authoring 3-Dimensional (3D) objects using a common-use camera instead of expensive mechanism for acquiring a 3D image, providing robust interaction with a user by means of augmented reality implementation and an automatic user motion extraction function, and allowing a user to receive a content object from a remote server.02-11-2010
20100195826SYSTEM FOR PERSONAL IP BROADCASTING SERVICE WITH PERSONAL DRM AND METHOD USING THE SAME - A system for personal Internet protocol (IP) broadcasting to which a personal digital rights management (DRM) is applied, and a method thereof are provided. The system for personal IP broadcasting includes: a personal broadcasting transmission unit generating content, storing the content, applying personal DRM encryption to the content, and transmitting the content; a personal broadcasting reception unit receiving the transmitted content, DRM-decoding the content based on a personal DRM certificate corresponding to the content, and reproducing the content; a channel management unit allocating a channel through which the personal broadcasting transmission unit transmits broadcasting, then managing the channel, and transmitting information of a predetermined broadcasting transmission unit requested by the personal broadcasting reception unit; and an authentication server unit verifying validity of each of the personal broadcasting transmission unit and the personal broadcasting reception unit, and issuing and managing the personal DRM certificate. According to the system and method, DRM is applied to the content authored and broadcast by an individual person, thereby enabling the person to claim digital rights. Accordingly, illegal copying of the personal broadcasting content can be prevented and only authenticated users can use the service, thereby preventing broadcasting of inappropriate content or illegal use of the service by an unauthorized user.08-05-2010
20100199305IPTV DIGITAL-BROADCAST SYSTEM AND METHOD FOR REDUCING CHANNEL CHANGE TIME - There is provided a IPTV digital broadcast system and method capable of reducing a channel change time, the system including: an IPTV providing server providing a broadcast stream including broadcast data for each channel; an EPG server, when a client terminal accesses, providing an EPG, multicast group information for each channel, and PID information for each channel to the client terminal; and a PID providing server acquiring the PID information for each channel itself and providing the PID information for each channel to the EPG server. 08-05-2010

Byung-Tak Lee, Kyungki-Do KR

Patent application numberDescriptionPublished
20080256581Apparatus and Method for Interactive Multimedia Service in Access Network - A system and method for providing an interactive multimedia service to a user in an access network are provided. The system includes a multimedia service providing server and a user terminal. The multimedia service providing server creates multimedia information requested by a user terminal, processes the created multimedia information, and manages a corresponding communication channel to allow a predetermined user terminal to receive the processed multimedia information. The user terminal transmits inputted user multimedia information to the multimedia service providing server through the access network and receives the multimedia information transmitted from the multimedia service providing server through the access network.10-16-2008

Patent applications by Byung-Tak Lee, Kyungki-Do KR