Abstract: A refrigerator having a freezer compartment and a refrigerator compartment that circulates a plurality of individual refrigerating cycles using a plurality of compressors so as to individually cool the freezer compartment and the refrigerator compartment. The refrigerator includes a plurality of compressors, a plurality of condensers, a plurality of expansion valves, and a plurality of evaporators. One of the plurality of condensers is disposed in a machine compartment and the other condenser is disposed outside the machine compartment so that a heat dissipation effect of the machine compartment may be improved and arrangement availability may be increased. Also, the refrigerator includes a plurality of compressors, a dual path condenser, a plurality of expansion valves, and a plurality of evaporators. The dual path condenser may have a plurality of individual condensation paths.

Abstract: Disclosed herein is a refrigerator. The refrigerator includes a main body including inner liners defining a freezer compartment and refrigerator compartment, doors rotatably coupled to the main body, gaskets installed at rears of the doors, each of the gaskets having a magnet provided therein, an intermediate partition wall formed by filling a space between the inner liners with an insulation material, an intermediate front plate disposed at a front of the intermediate partition wall to fix the inner liners, and a heat pipe installed at the front of the intermediate partition wall in a line to prevent dew from being formed on the intermediate front plate, wherein the intermediate front plate is formed in an asymmetric fashion so that the heat pipe installed at the front of the intermediate partition wall is fixed to a middle portion of the intermediate front plate in a tight contact fashion.

Abstract: A refrigerator includes a refrigerating compartment temperature sensor, a cooling apparatus, in a state when driving time points of a refrigerating compartment and a freezing compartment are synchronized, to maintain an inside temperature of the refrigerating compartment by performing a cooling operation of the refrigerating compartment on the basis of a cut-off temperature of the refrigerating compartment that is varied by a difference between a temperature of the refrigerating compartment at a driving time point of the refrigerating compartment that is sensed by the refrigerating compartment temperature sensor and a cut-in temperature of the refrigerating compartment, and a control unit to control the driving of the cooling apparatus by varying the cut-off temperature of the cooling apparatus according to the difference between the temperature of the refrigerating compartment at the driving time point of the refrigerating compartment and the cut-in temperature of the refrigerating compartment.

Abstract: There is provided a tap changer in which movable contacts rotate to be selectively connected to a plurality of taps. The tap changer includes a rotatable upper movable contact; a rotatable lower movable contact electrically connected to the upper movable contact; a driving shaft rotating the upper movable contact and the lower movable contact integrally; a single-type fixed contact including a single terminal connected to any one of a plurality of taps; and a dual-type fixed contact including a first terminal and a second terminal connected together to another of the plurality of taps. Since the upper movable contact and the lower movable contact are integrally rotated through the single driving shaft, the number of components and volume of the device may be reduced and an operation of the device may be facilitated.

Abstract: The present invention discloses a server for transmitting and receiving messages for a signaling (S) layer in MMT (Moving Picture Experts Group Media Transport), which includes a first sub-layer of the S layer for producing first messages to provide information necessary for the use of MPEG, a second sub-layer of the S layer for producing second messages to provide information used for delivering MPEG media, and a delivery (D) layer for making external and internal deliveries of the first and the second messages, wherein each of the first and the second messages includes at least one field corresponding to each of the message type, version, length, extension field and payload.

Abstract: A method and an apparatus for playing broadcast content in a broadcasting system are provided. The method and the apparatus enable a viewer to watch an entire event by broadcasting the event through different networks in a condition that the event may not be broadcast from start to finish over a single broadcasting network.

Abstract: A cooling apparatus includes a storage compartment, an evaporator to cool air in the storage compartment by evaporating a refrigerant, a compressor to compress the refrigerant evaporated by the evaporator, an air blower to supply the air cooled by the evaporator to the storage compartment and to remove frost formed on the evaporator, a storage temperature sensor to sense a temperature of the storage compartment, a driving unit to drive the compressor and the air blower, and a controller to perform a defrosting operation of operating the air blower to remove frost formed on the evaporator when a cooling operation of cooling the storage compartment is terminated and to perform the cooling operation, wherein the controller defers, when the defrosting operation is being performed, operation of the compressor, even if the temperature of the storage compartment is greater than or equal to the storage upper limit temperature.

Abstract: A method and an apparatus for playing broadcast content in a broadcasting system are provided. The method and the apparatus enable a viewer to watch an entire event by broadcasting the event through different networks in a condition that the event may not be broadcast from start to finish over a single broadcasting network.

Abstract: A refrigerator having a freezer compartment and a refrigerator compartment that circulates a plurality of individual refrigerating cycles using a plurality of compressors so as to individually cool the freezer compartment and the refrigerator compartment. The refrigerator includes a plurality of compressors, a plurality of condensers, a plurality of expansion valves, and a plurality of evaporators. One of the plurality of condensers is disposed in a machine compartment and the other condenser is disposed outside the machine compartment so that a heat dissipation effect of the machine compartment may be improved and arrangement availability may be increased. Also, the refrigerator includes a plurality of compressors, a dual path condenser, a plurality of expansion valves, and a plurality of evaporators. The dual path condenser may have a plurality of individual condensation paths.

Abstract: A refrigerator includes a body, first and second storage compartments and a machine compartment formed in the body, a blower fan disposed in the machine compartment, first and second refrigerating units comprising first and second compressors to compress first and second refrigerants, respectively, first and second condensers to condense the first and second refrigerants, respectively, first and second expansion valves to expand the first and second refrigerants, respectively, and first and second evaporators to evaporate the first and second refrigerants, respectively, the first and second refrigerating units supplying cold air to the first and storage compartments, respectively. The first compressor, the second compressor, and the first condenser are disposed in the machine compartment and are cooled by forcible flow of air caused by the blower fan, and the second condenser is disposed outside the machine compartment and is cooled by natural convection of air.

Abstract: A method for transmitting and receiving a message for Downloadable-Conditional Access System (D-CAS) or Downloadable-Digital Rights Management (D-DRM) in Moving Picture Experts Group Media Transport (MMT) is provided. The method includes, upon receiving Composition Information (CI) from an MMT server, acquiring signaling information for D-CAS or D-DRM, which is included in the CI, acquiring, from the signaling information, an address of a server from which software of D-CAS or D-DRM is downloadable, generating a request for the software based on the signaling information, and sending the request for the software to the server address.

Abstract: A reception method for a combined broadcasting and communication service includes receiving first metadata including second metadata, displaying the feasibility of reception of multimedia data replacing a broadcast program based on the first metadata including the second metadata, and receiving the multimedia data replacing the broadcast program through an Internet Protocol (IP) network based on the second metadata when the multimedia data replacing the broadcast program is determined, wherein the first metadata includes position information about the broadcast program, and the second metadata includes position information of the multimedia data replacing the broadcast program. Accordingly, a high-quality broadcast may be received.

Abstract: A refrigerator includes a first storage chamber, a second storage chamber spatially-separated from the first storage chamber, a first refrigeration cycle system to cool the first storage chamber using a first refrigeration cycle, and a second refrigeration cycle system installed to be separated from the first refrigeration cycle system to cool the second storage chamber using a second refrigeration cycle in an independent manner from the first refrigeration cycle. The first and second storage chambers maintain first and second target temperatures, respectively. The first and second refrigeration cycle systems circulate different kinds of refrigerants to cool the first and second storage chambers, respectively.

Abstract: Disclosed herein is a refrigerator. The refrigerator includes a main body including inner liners defining a freezer compartment and refrigerator compartment, doors rotatably coupled to the main body, gaskets installed at rears of the doors, each of the gaskets having a magnet provided therein, an intermediate partition wall formed by filling a space between the inner liners with an insulation material, an intermediate front plate disposed at a front of the intermediate partition wall to fix the inner liners, and a heat pipe installed at the front of the intermediate partition wall in a line to prevent dew from being formed on the intermediate front plate, wherein the intermediate front plate is formed in an asymmetric fashion so that the heat pipe installed at the front of the intermediate partition wall is fixed to a middle portion of the intermediate front plate in a tight contact fashion.

Abstract: The present invention relates to an acid salt of tolterodine with superior stabililty and useful as a transdermal drug delivery system. More specifically, the present invention relates to a novel acid salt of tolterodine with superior stabililty to the conventional acid salts of tolterodine, which is useful as a pharmaceutical composition for the treatment of overactive bladder and can be formulated into a transdermal drug delivery system.

Abstract: A control method of a refrigerator including a compressor to supply refrigerant to an evaporator to cool a storage compartment, a valve to adjust flow of the refrigerant, a fan to blow air heat-exchanged by the evaporator, and a heater to remove frost from the evaporator. The control method includes, upon receiving a power-saving signal, determining whether the received power-saving signal is a first or second power-saving mode signal, upon determining that the power-saving signal is the first power-saving mode signal, performing at least one selected from among resetting of target temperature of the storage compartment, adjustment of an operation rate of the compressor, and adjustment of operation time of the heater to execute a first power-saving mode, and, upon determining that the power-saving signal is the second power-saving mode signal, controlling the compressor, the fan, and the heater to be off to execute a second power-saving mode.

Abstract: To store and play contents streamed in a multimedia streaming system, an operating method of a server in the multimedia streaming system includes receiving a transmission request for a Media Presentation Description (MPD) file; and transmitting the MPD file including a flag indicating whether it is possible to generate a media file that is playable by a media file player by concatenating transmitted segments.

Abstract: A refrigerator and a dehumidification control method thereof to effectively perform both temperature compensation and dehumidification so as to prevent formation of dewdrops in a refrigerating compartment of the refrigerator. The control method includes detecting a temperature of outside air around the refrigerator to judge whether or not the detected temperature corresponds to a low-temperature mode requiring dehumidification, heating a refrigerating compartment by operating a refrigerating compartment heater and a refrigerating compartment fan for dehumidification if the low-temperature mode is judged, cooling the refrigerating compartment by operating a compressor while continuously operating the refrigerating compartment fan, and simultaneously cooling and heating the refrigerating compartment to enable simultaneous implementation of temperature compensation by heating of the refrigerating compartment and dehumidification by cooling of the refrigerating compartment.