Abstract: A path-conversion valve assembly for a vacuum cleaner comprises a valve member rotatably mounted in an air path formed in a cleaner of a vacuum cleaner which includes a socket for receiving a hose nozzle, and a resilient member mounted in the air path to resiliently press the rotating valve member in an opposite direction to the rotating direction of the valve member.

Abstract: A protective device (10) for protecting thermal interface material (30) spread on a central surface (512) of a bottom of a base (51) of a heat sink (50). The device includes a case (12) and a tab (18) extending from an edge of the case. The heat sink (50) has air channels (552) extending vertically therethrough and around the base. The case comprises an annular frame (120) and a cap (15) protruding downwardly from inside edges of the frame. The cap covers the thermal interface material. The frame is attached to the heat sink around the thermal interface material. The frame blocks portions of the air channels adjacent to the base, thereby to prevent dust or foreign particles from contaminating the thermal interface material through the air channels.

Abstract: A fuel tank and a cap device for the fuel tank. The fuel tank is connected to a fuel cell and includes a tank body having a fuel opening and a pin hole for maintaining an inside pressure, a floater positioned on a surface of the fuel stored in the tank body, and an air pipe connected to the pin hole and an upper part of the floater. The cap device includes a cap body having an inside transfer path for connecting an inlet opening for introducing the fuel and an outside transfer pipe, a fixed outer cap including a connector for fixing a discharge opening into which the transfer pipe is inserted, and an elastic opening/closing section in which the cap body is elastically compressible by the connector, and wherein the inside transfer path opens during the compression.

Abstract: A semiconductor apparatus and a design method for the semiconductor apparatus allow debugging or repairs by using a spare cell. The semiconductor apparatus includes a plurality of metal layers. At least one repair block performs a predetermined function. A spare block is capable of substituting for a function of the repair block. And at least one of the plurality of metal layers is predetermined to be a repair layer for error revision. At least one pin of the repair block is connected to the repair layer through a first pin extension, and at least one pin of the spare block is capable of extending to the repair layer. When the repair block is to be repaired, the pin extension of the repair layer and the repair block is disconnected, and at least one pin of the spare block is connected to the repair layer through a second pin extension.

Abstract: Disclosed is a folding-type portable device. The folding-type portable device includes a first body having an abutment for cradling a portable terminal; a second body rotatably connected to the first body through a first hinge, so that the second body is folded or unfolded in relation to the first body, the second body being rotated to a predetermined angle in relation to the first body, thereby supporting the first body in a tilted state; and an optical module connected to the second body through a second hinge in such a manner that the optical module can be independently rotated, the optical module having a lens which is exposed or hidden depending on whether the optical module is rotated. The portable device may be used as an assistant portable device for extending functionality of a portable terminal.

Abstract: An image retrieval system includes an image entry unit configured to input an image. A descriptor determining unit receives the image and transforms the image into an intermediate image to generate a descriptor of the image, for example, utilizing the distance transform (DT) application. An image comparing unit compares the image with a plurality of candidate images by comparing the descriptor of the image with descriptors of the plurality of candidate images. Finally, a retrieving unit retrieves one or more candidate images similar to the input image based on the comparison of their descriptors.

Abstract: A surveillance system including a tracking module, a controller and a detection module is provided. The tracking module processes at least one first image frame that is acquired via a first camera to track an object in the at least one first image frame, and generate location information of the object being tracked. The controller generates a control signal based on the location information and transmits the control signal to a second camera to control the movement of the second camera. The detection module processes at least one second image frame that is acquired via the second camera to detect a feature part of the object being tracked.

Abstract: Techniques for reconstructing an image of an object are provided. In some embodiments, an image reconstructing system includes one or more cameras, one or more light sources and an image processor. The cameras are configured to capture images of an object and the light sources are configured to irradiate the object. The image processor is configured to process the images to generate a first representation of the object and a second representation of the object, and to generate a reconstructed image of the object based on the first representation and the second representation.

Abstract: Disclosed is a method for providing multi-screen service of a mobile terminal, the method including requesting and obtaining information on a second display device if the mobile terminal is connected with a cradling stand; activating a predetermined wireless communication interface and searching for a peripheral device using a network manager so as to connect the mobile terminal with the peripheral device; if the multifunctional remote control device is found and is connected with the mobile terminal, managing linkage between the mobile terminal and the multifunctional remote control device using an interaction manager; and if a service request signal is received from the multifunctional remote control device for the mobile terminal, changing screen information of the mobile terminal in accordance with characteristics of the second display device using a display manager and displaying the changed screen information on a display unit of the second display device.

Abstract: A method and apparatus are provided for a multifunction remote control device, allows a user to display the contents of a mobile terminal on a larger screen, while retaining use of the mobile terminal's other functions. The method includes checking whether the mobile terminal is connected to the multifunction remote control device, running a multi-screen mode for composing a service environment in which control and call connection functions of the mobile terminal are executable, by implementing a wireless interface of the mobile terminal, and controlling basic functions and additional functions of the mobile terminal.

Abstract: There are provided a pump of a noise suppression and vibration proof structure and a fuel cell system using the same. The fuel cell system includes at least one electricity generator including an electrolyte membrane and an anode and a cathode attached to the both surfaces of the electrolyte membrane to generate electricity energy by the electrochemical reaction between fuel containing hydrogen and oxidant supplied to the anode and the cathode, a fuel supplying unit including a pump for supplying the oxidant to the electricity generator, and a fixed frame that is provided on a lower frame and to which the pump is fixed. The pump is separated from the lower frame and is fixed to and combined with the fixed frame by the belt-shaped fixing member on the side surface of the fixing frame with a buffering member interposed. Therefore, it is possible to reduce the noise and vibration of the pump.

Abstract: A fuel cell system comprising a stack including at least one electricity generator for generating electric energy through a reaction between fuel and oxygen, a fuel supply unit for supplying the fuel to the electricity generator, and an oxygen supply unit for supplying the oxygen to the electricity generator is provided. The electricity generator includes a membrane-electrode assembly and separators which have a plurality of flow channels for passing fuel and oxygen and which are placed on both surfaces of the membrane-electrode assembly. The separators include a connecting portion with a straight part between rounded corners for coupling the flow channels at their ends. The connecting portion minimizes turbulence in the flow while maintaining sufficient effective area for contact between the fuel and oxygen with the active area of the membrane-electrode assembly.

Abstract: A wireless local area network system capable of supporting host mobility services and an operation method therefor. The wireless local area network system includes a gateway performing the functions of a home agent in mobile wireless communication environments and sending prefix information; and access points, each access point allocating an Internet Protocol (IP) address to a mobile host within a range thereof by using prefix information of the gateway. Thereafter, each access point produces and sends a Binding Update list that corresponds to the mobile hosts to the gateway. Thus, the present invention supports the mobility for mobile hosts with or without a mobile IPv6 stack, in a wireless local area network.

Abstract: A method and apparatus for a wireless network to maintain a QOS is provided. The apparatus includes a resource calculating unit which calculates resources needed to transmit packets if a transmission rate of a network changes, a comparing unit which compares the calculated resources and resources allotted by an access point of the network; and a control unit which determines whether to request additional resources by using a result of the comparison by the comparing unit.

Abstract: A foam device for use in an electronic device includes a foam and a foam cover for supporting and fixing the foam in position. The foam cover includes a supporting layer and an isolating layer disposed between the supporting layer and a first end of the foam. The isolating layer nonadhesively contacts the foam. The supporting layer adhesively contacts a second end of the foam.

Abstract: Disclosed is a method for connecting a mobile communication terminal with an access point located in a local area providing a Wireless Local Area Network (WLAN) service in which a server managing the access point compares Media Access Control (MAC) information of the mobile communication terminal or MAC information of the access point transferred from the mobile communication terminal through a mobile communication network with MAC information previously stored in the server and transfers network setting information required for connection to the access point to the mobile communication terminal if the MAC information of the mobile communication terminal or access point is identical to the MAC information previously stored in the server.

Abstract: Techniques for matching a 3D object are provided. In some embodiments, a 3D object retrieval apparatus includes an input unit configured to receive as input at least one sample view of a 3D query object to be inputted, and an object descriptor determining unit configured to generate at least one object representative image of the 3D query object from the at least one sample view and to determine a query object descriptor of the 3D query object from the at least one object representative image.

Abstract: An electronic system comprises an enclosure, a printed circuit board in the enclosure, and a heat sink assembly comprising a holding member. The enclosure comprises a first panel and a second panel perpendicularly connecting with the first panel. The printed circuit board is mounted on the first panel of the enclosure. The heat sink assembly has a first end mounted on the printed circuit board for contacting a heat-generating electronic device on the printed circuit board, and a second end opposite to the first end. The holding member connects the second panel of the enclosure with the second end of the heat sink assembly.

Abstract: The present invention provides a plasmid for expressing a thioredoxin fusion protein comprising thioredoxin as a fusion partner, an E. coli cell transformed with the plasmid, and an efficient method for producing a target protein using the E. coli cell. The method according to the present invention can easily remove thioredoxin from thioredoxin fusion protein, so that can produce a target protein of interest in pure and large quantities in the field of medicine and bioengineering.

Abstract: A method of controlling a flow rate of fuel in a fuel supply unit of a fuel cell system is provided. The fuel cell system includes a fuel pump, a revolution per minute (RPM) measuring unit, a microcomputer, and a power converter. The method of controlling the flow rate controls the fuel supply unit so as to supply the fuel to a reformer reforming the fuel to generate hydrogen or a stack generating electric energy through a reaction of the fuel and oxygen. The method of controlling the flow rate includes measuring an actual RPM of the fuel pump; comparing the actual RPM to a reference RPM of the fuel pump; and adjusting a driving voltage of the fuel pump on the basis of the comparison result.