Patent application number | Description | Published |
20090147794 | METHOD AND SYSTEM FOR SERVING MULTI-MEDIA DATA BETWEEN HETERO UPnP NETWORKS - Provided is a method and system for streaming multimedia data between hetero UPnP networks configured of a private network. The method comprises establishing a communication channel with a relay peer; establishing a virtual communication channel with a specific extensible home connector selected from a plurality of extensible home connectors connected with the relay peer; searching multimedia data to play from multimedia data in the specific extensible home connector which exists on the UPnP network through the virtual communication channel; establishing a communication environment through the UPnP internet gateway of the specific extensible home connector in case of demanding play of the searched multimedia data; and receiving multimedia data from the specific extensible home connector through the communication environment. | 06-11-2009 |
20090157886 | DYNAMIC UI SYSTEM AND METHOD FOR REMOTELY CONTROLLING LEGACY DEVICE - A dynamic user interface (UI) system and method is provided for remote controlling of a legacy device, which is not compatible with a peer-to-peer (P2P) middleware, through a P2P network. The dynamic UI system of the present includes at least one legacy device, a proxy for registering and managing the at least one legacy device and supporting a dynamic remote control user interface using a multi legacy device control protocol, and an edge peer for downloading the dynamic remote control user interface from the proxy and requesting control of the at least one legacy device to the proxy. | 06-18-2009 |
20090257365 | METHOD OF DISTRIBUTING FILES OVER NETWORK - The present invention discloses a method of distributing files over a network, which can attain a proper balance of transfer rates of active spanning trees used between a transmitting node and a receiving node and minimize the time taken for transferring a large file in a P2P (Peer-to-Peer) environment by forming an optimal set of distribution trees with reference to the link costs between the transmitting node and the receiving node and distributing chunk files through the optimal set of distribution trees. The method comprises the steps of: forming a set of spanning trees between a transmitting node and a receiving node and forming a minimum cost tree group by the sum of the link costs of links constituting each of the spanning trees; adjusting the transfer rate of each spanning tree belonging to the minimum cost tree group in accordance with the link cost of each spanning tree belonging to the minimum cost tree group; and transferring chunk files through the spanning trees whose transfer rate is adjusted. | 10-15-2009 |
20100135296 | METHOD AND APPARATUS FOR MULTICASTING CONTENTS BETWEEN DEVICES IN NETWORKS - An apparatus for multicasting contents between devices in different networks includes: a home-to-home multicast control device for finding the devices in the networks, downloading contents from a device in a network to which the home-to-home multicast control device belongs, processing the contents to generate file blocks, each file block having chunk files, and multicasting the processed contents to the devices in the networks; and at least one home-to-home multicast bridge device for receiving the contents transmitted from the home-to-home multicast control device and streaming the contents to one or more devices in a network to which the home-to-home multicast bridge device belongs. The apparatus further includes a multicast relay device for relaying the contents between the home-to-home multicast control device and the home-to-home multicast bridge device. | 06-03-2010 |
20110131413 | APPARATUS AND METHOD FOR DYNAMIC UPDATE OF SOFTWARE-BASED IPTV CONDITIONAL ACCESS SYSTEM - The apparatus for dynamic update of a software-based IPTV conditional access system includes: a server master key manager managing a master key and encrypting a conditional access code ID; a conditional access server manager generating and managing a server list, linking and storing an update policy with the conditional access server IDs included in the server list, and controlling execution of the conditional access server; and a conditional access code download server generating an ID map of set of conditional access codes by combining the plurality of conditional access codes and the plurality of conditional access code IDs that are encrypted, and transmitting the ID map of set of conditional access codes and the conditional access code to a receiver. | 06-02-2011 |
20110131623 | SYSTEM FOR PROVIDING MOBILE CONTENTS USING SETTOP BOX ON IPTV NETWORK AND METHOD THEREOF - A settop box based on an IPTV according to an embodiment of the present invention includes: a home network interface communicating with one or more mobile terminals; a terminal profile manager acquiring and managing a terminal profile from a mobile terminal connected through the home network interface; a contents converter converting contents received from an external contents server through an external network to mobile contents suitable for the corresponding mobile terminal on the basis of the acquired terminal profile; a contents storage storing the contents converted by the contents converter; and a transmitting/receiving controller performing a processing operation to extract the mobile contents stored in the contents storage and transmit the extracted mobile contents to the mobile terminal through the home network interface in accordance with a request from a user. | 06-02-2011 |
20110145876 | APPARATUS FOR PURCHASE AND DELIVERY OF ENTITLEMENT, METHOD THEREOF, AND SETTOP BOX IN IPTV BROADCAST SYSTEM - Disclosed is an apparatus for purchase and delivery of entitlement in an IPTV broadcast system according to an embodiment of the present invention that includes: an entitlement purchase environment provider providing a charged broadcast contents list to the purchaser so that the purchaser can select delivery target contents and providing an IPTV broadcasting service subscriber list to the purchaser so that the purchaser can select one or more entitlement delivery target subscribers to which the entitlement for the delivery target contents is delivered; an entitlement generator receiving information on the delivery target contents from the entitlement purchase environment provider, and then generating the entitlement for corresponding broadcast contents; and an entitlement transmitter delivering the entitlement for the delivery target contents to IPTV settop boxes of the entitlement delivery target subscribers on the basis of information on the entitlement delivery target subscribers. | 06-16-2011 |
20130166428 | APPARATUS AND METHOD FOR PERFORMING TIME SYNCHRONIZATION BASED AUTOMATED POWER TRADING FOR REAL TIME PRICING SYSTEM - Provided is an apparatus and method for performing time synchronization based automated power trading for a real time pricing system. The power trading apparatus may include a time synchronizing unit to synchronize at least one of a power market server, a smart meter, and a time information to provide the power market server with time, a power purchasing and selling price monitoring unit to receive power purchasing and selling price information from the power market server to monitor power purchasing and selling prices that change in real time and to compare the power purchasing and selling prices to predetermined reference prices for power trading, and an inverter and power storage apparatus controller to controlling power conversion of an inverter, and charging and discharging of a power storage apparatus to purchase and sell power at the reference prices. | 06-27-2013 |
20130166479 | METHOD AND APPARATUS FOR CALCULATING ENERGY REVENUES OF ELECTRIC POWER DEVICES BASED ON REAL TIME PRICING - A method and apparatus for calculating energy revenues of electric power devices based on real time pricing is provided. The energy revenue calculating apparatus may synchronize time between the energy revenue calculating apparatus and at least one of a real time energy pricing information providing server and a time information providing server, based on time information received from at least one of the real time energy pricing information providing server and the time information providing server, synchronize an energy sale price stored in the energy revenue calculating apparatus with an energy sale price, based on energy sale price information received from the real time energy pricing information providing server, and calculate energy revenues for a predetermined time period, based on the received energy sale price information and information about an amount of energy that flows into and out of the plurality of electric power devices. | 06-27-2013 |
20140115336 | METHOD AND APPARATUS OF PROVISIONING HOME ENERGY MANAGEMENT SERVICES - A method for provisioning home energy management services includes supplying a service user with a list of home energy management services; and transmitting a request to subscribe to a service to a home energy management service provider server on a communication network. Further, the method includes performing an authentication with the home energy management service provider server and receiving a secret key for encryption and decryption of a message that is transmitted and received for the service; searching for home energy devices on a home network and transmitting a list of searched home energy devices to the home energy management service provider server; and sending the message received from the home energy management service provider server to the same home energy devices. | 04-24-2014 |
20140139023 | APPARATUS AND METHOD FOR CONTROLLING SELF-POWER CONSUMPTION - An apparatus for controlling a self-power consumption includes an information receiving unit configured to receive a power supply and demand situation and power price information through a wire/wireless communication network. The apparatus includes a self-power consumption control unit configured to compare the power supply and demand situation with a predetermined power situation and produce a control signal to control a plurality of appliances when it is determined that the power supply and demand situation is put in a state of emergency, or the power price exceeds a predetermined threshold. The apparatus includes a standby power status control unit configured to select one or more appliances of the appliances in response to the control signal and switch the selected appliances into a standby power state. | 05-22-2014 |