Abstract: An apparatus and method for supporting a portable mobile VPN service are provided. The method accesses a public network to generate a security tunnel, maps the generated security tunnel and a VPN address, stands by for authentication of a mobile terminal which desires to access a VPN, authenticates a mobile terminal which desires to access the VPN, and assigns an internal address which is used in the VPN according to the authentication result.

Abstract: The present invention relates to a surface-waterproof sheet for inorganic boards including multi-use non-woven fabrics and a waterproof coating layer, and a method of manufacturing the same. The method includes preparing a multi-use non-woven fabric composed of cellulose fibers, glass fibers and organic fibers; preparing a waterproof coating solution containing a powdery acrylic binder, water, an inorganic filler, a water repellent, a pigment and an antimicrobial agent; and coating the waterproof coating solution on the multi-use non-woven fabric, followed by drying the waterproof coating solution, thereby providing surface-waterproof sheet for inorganic boards for buildings, which has improved adhesion to the inorganic board and economic feasibility.

Abstract: Disclosed are a system for managing virtual private networks (VPNs) includes: terminals configured to transmit user data; a manager configured to transmit information for concealing networks and managing the VPNs; border gateways configured to decrypt the user data and perform a network address translation (NAT) procedure and a filtering procedure on the decrypted user data based on the information; and servers configured to receive the user data subjected to the NAT procedure and the filtering procedure, wherein the filtering procedure is a procedure discarding the user data to be transferred to the servers that are not allowed so as to allow the terminals to access only the allowed servers, the NAT procedure is a procedure changing an Internet protocol (IP) address used in a first network to an IP address used in a second network, and the first network and the second network are different networks.

Abstract: The present invention relates to a ceramic filter comprising clay and a process for preparing the same. More specifically, the present invention relates to the ceramic filter, including wave-shaped ceramic paper and plate-shaped paper, having improved efficiency and performance that may optimize the process of coating and calcining inorganic binder by forming an outer wall thereon, using clay, and thus increase insulation effect and mechanical strength represented by the clay layer, and the process for preparing thereof.

Abstract: Disclosed herein is a humidifying medium which adopts a natural humidifying system and has excellent lifespan characteristics. The humidifying medium according to the present invention is formed by coupling a linerboard to one or both sides of a corrugated board. The corrugated board and the linerboard have different average pore diameters, and the humidifying medium of the present invention may be formed by coupling a linerboard having an average pore diameter of 35˜40 ?m to one or both sides of a corrugated board having an average pore diameter of 8-10 ?m.

Abstract: The present invention relates to an assembly wall having improved sound absorption/insulation performance and an assembly structure thereof. The assembly wall includes plate members separated from each other to face each other and each forming at least one layer; stud members alternately placed on different inner surfaces of the plate members and comprising a web formed with a plurality of first perforated holes having at least one diameter; an insulation member interposed in a space defined between the plate members and the stud members; and a sheet member adjoining an outer surface of the insulation member and being formed with a plurality of second perforated holes having at least one diameter. With this structure, the assembly wall has excellent sound absorption and insulation performance over various frequency bands including a low frequency band without increasing wall thickness.

Abstract: A method for providing contents and an electronic device having a function therefore is disclosed. The method comprises receiving information regarding a current heart rate of a user, selecting an audio file having a specific tempo determined in consideration of the current heart rate and a reference heart rate, and reproducing the selected audio file and a heartbeat sound reflecting the current heart rate simultaneously. Therefore, the heartbeat of the user may be effectively controlled.

Abstract: The present invention relates to an apparatus for testing a camera module, and more specifically to a camera module test and focus controlling apparatus.

Abstract: Disclosed are a method and a system for receiving multicast data without using a tunnel in a tunneling-based mobility network architecture, and a mobile terminal thereof. By providing a method for receiving multicast data in a tunneling-based mobility network architecture receiving multicast data over a multicast-enabled Internet protocol (IP) network by switching a path before tunneling and thereby transmitting a corresponding channel reception request message to a corresponding visit network when a transmission packet of a mobile terminal is a channel reception request message in a heterogeneous visit network, and at the same time, guaranteeing mobility of the mobile terminal by tunneling a corresponding transmission packet to a care-of-address of a visit network being currently visited when the transmission packet is not the channel reception request message, there are provided a method and a system for receiving multicast data via a visit network without using an existing tunnel.

Abstract: The blood pressure monitoring apparatus and method are disclosed that can monitor a blood pressure of a subject using an electrocardiogram signal, a pulse wave signal and a body characteristic information of the subject, wherein the electrocardiogram signal and the pulse wave signal of the subject are monitored to remove a noise signal generated from monitoring of the pulse wave signal, allowing monitoring a precise blood pressure of the subject, and calculating the pulse wave analysis information using the monitored pulse wave signal, and using the electrocardiogram signal and the pulse wave signal to calculate a pulse transit time (PPT), and plugging a calculated pulse wave propagation time, pulse wave analysis information and body characteristic information of the subject into a predetermined regression equation to monitor the blood pressure.

Abstract: The present invention relates to a catalyst for removing nitrogen oxides from an exhaust gas, a method for preparing the same and a method for removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removing nitrogen oxides from the exhaust gas in which a ceramic fiber carrier is treated by hydrothermal reaction prior to washcoating to improve the hydrothermal stability of catalyst, a method for preparing the same and a method for removing nitrogen oxide in an exhaust gas using the same. The catalyst prepared according to the present invention has excellent hydrothermal stability and an activity of the catalyst remains for a long time. Further, by using this catalyst to remove nitrogen oxides in an exhaust gas, a removal ratio of the nitrogen oxides is greatly enhanced.

Abstract: In a plurality of virtual tunnel routers including a first virtual tunnel router and a second virtual tunnel router, the first virtual tunnel router and the second virtual tunnel router request virtual network prefix information from a tunnel mapping controller. When the tunnel mapping controller generates virtual network prefix information of the first virtual tunnel router and the second virtual tunnel router, respectively, and transmits the same along with information of a list of adjacent virtual tunnel routers, the first virtual tunnel router and the second virtual tunnel router create a tunnel. With the tunnel established, the virtual network prefix information received by the first virtual tunnel router and second virtual tunnel router, respectively, is linked so that direct communication can be performed between the first virtual tunnel router and the second virtual tunnel router.

Abstract: A network control method for controlling a client-and-server based high-reliability session for secure payment using a multi interface user terminal in the wired or wireless Internet is provided. The network control method establishes an active and standby secure channel between a client equipped to a terminal including a plurality of network interfaces and a server to control each terminal based on a terminal identifier (ID). The method continuously receives terminal state information through the secure channel, and identifies a homogeneous or heterogeneous access network and the secure channel to which a user terminal connects based on the terminal state information, thereby securely authenticating the user terminal requesting payment to a payment gateway (PG) system. Accordingly, the PG system may securely authenticate the user terminal and perform the payment.

Abstract: The present invention relates to a porous ceramic structure, and a dehumidification/humidification apparatus comprising the same. More particularly, the present invention comprises: a porous ceramic humidifying medium having an inner circumferential surface and an outer circumferential surface; a dehumidifying medium which has an inner circumferential surface and an outer circumferential surface, and which is disposed in the porous ceramic humidifying medium; and a cutoff layer formed between the inner circumferential surface of the humidifying medium and the outer circumferential surface of the dehumidifying medium. The porous ceramic structure and the dehumidification/humidification apparatus comprising same according to the present invention can easily increase the humidifying and dehumidifying capacity, simplify a flow channel, and achieve a compact design.

Abstract: The invention relates to a method and an apparatus for controlling seamless handover between heterogeneous networks based on IPv6 over IPv4 tunneling. When IPv6 service is provided using tunneling in an IPv4 based network environment, handover of a mobile terminal between different networks is achieved through switching of an active tunnel and a standby tunnel, and thus handover between different networks is facilitated and data loss is prevented to secure continuity of service provided to the mobile terminal even when the mobile terminal hands over to a heterogeneous network.

Abstract: The present invention relates to a catalyst including a ceramic structure containing porous ceramic paper and a catalyst component supported on the ceramic structure, and to a method for removing formaldehyde using the catalyst. The present invention provides a catalyst in which a structure made of ceramic paper having excellent characteristics in terms of porosity, specific surface area, and the like is used as a support for the catalyst component to maximize an effective area for reacting the supported catalyst component with a substance to be treated, thereby improving catalyst performance. The present invention also provides a method of using the catalyst.

Abstract: A Ni-based single crystal superalloy with good resistance to creep deformation and creep life at a high temperature is formed by adjusting the quantity of relatively inexpensive alloy elements while minimizing the quantity of expensive alloy elements. The Ni-based single crystal superalloy with good creep properties comprises Co: 11.5˜13.5%, Cr: 3.0˜5.0%, Mo: 0.7˜2.0%, W: 8.5˜10.5%, Al: 4.5˜6.5%, Ti: 0.5˜2.0%, Ta: 6.0˜8.0%, Re: 2.0˜4.0%, Ru: 0.1˜2.0% in Weight %, with the rest of the superalloy comprising Ni and other inevitable impurities. In addition, the superalloy has a mixed structure of the ? matrix and ?? particles.

Abstract: An apparatus and method for measuring the crystallographic orientation relationship of neighboring grains and the characteristics of grain boundaries using a goniometer of a transmission electron microscope are disclosed to check the orientation relationship between two crystals and the characteristics of grain boundaries with a small error in real time. An apparatus for measuring the orientation relationship between neighboring grains and the characteristics of grain boundaries by using a goniometer of a transmission electron stereoscope, the apparatus comprising a goniometer mounted at a transmission electron microscope and a measurement unit for revealing the characteristics of grain boundaries of a specimen by linear-algebraically interpreting the relationship between crystal axes and tilt axes of the specimen using the goniometer.

Abstract: Disclosed is a multiple nozzle evaporator in which a material to be evaporated in the evaporator can be deposited on a substrate with an improved efficiency of use of the material, thereby forming a large-area uniform thin film. The evaporator includes a rectangular post-shaped crucible with an open top face; and a nozzle having a body portion having a rectangular post-like shape with a height smaller than that of the crucible and assembled to an upper portion of the crucible, and a plurality of evaporation tubes penetrating through the body portion between top and bottom faces of the body portion. The evaporation tubes are divided into four groups of which evaporation tubes are inclined toward respective four corners of a top face of the nozzle unit.

Abstract: The present invention relates to a catalyst for removal of nitrogen oxides from exhaust gas, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same, and more particularly, to a catalyst for removal of nitrogen oxides from exhaust gas in which a ceramic fiber carrier is hydrothermal-treated prior to washcoating to improve the hydrothermal stability of catalyst, a method of preparing the same and a method of removing nitrogen oxide in an exhaust gas using the same. The catalyst prepared according to the present invention has excellent hydrothermal stability and an activity of the catalyst remains for a long time. Further, by using this catalyst to remove nitrogen oxides in an exhaust gas, a removal ratio of the nitrogen oxides is improved more.