Abstract: An air conditioning system using for a dehumidifying cooling device has developed that comprising a heating source for producing hot water, a heat exchanger for transferring heat from the hot water to circulating water, a circulation pump for circulating the resulting hot water heated in the heat exchanger, a heating pipeline connected to the circulation pump for conveying the hot water to a heat supply target area, a user heat exchanger connected to the heating pipeline for conveying hot water to the heat supply target area, a dehumidifying cooling device connected to a hot water pipe of users heat exchanger and installed in each household within the heat supply target area, the dehumidifying cooling device removing moisture from the air by using hot water supplied from the hot water pipe to deal with latent heat load and to lower the temperature of the dehumidified air via evaporation of water contained in the air.

Abstract: Disclosed is a tray handling apparatus in which the conveyance and inversion of a tray can be performed simultaneously to thereby achieve a rapid inspecting operation and a simplified apparatus configuration, and a semiconductor device inspecting method using the tray handling apparatus. The tray handling apparatus includes an inverting unit to turn the tray, in which objects are received, upside down, and a transfer device to convey the object receiving tray from one conveyor to another conveyor while being reciprocally moved above a body of the apparatus. The inverting unit is integrally provided at a lower end of the transfer device, to allow the conveyance and inversion of the tray to be performed simultaneously.

Abstract: Disclosed is an interworking device for interworking with a first network and supporting signaling between a terminal and a second network. The interworking device sets a first wireless data path with the first network. The interworking device sets a first radio link with the terminal, receives an authentication message through a first radio link, and transmits the authentication message to an authentication server of the second network through the first wireless data path. When the authentication server finishes authentication, the interworking device sets a second wireless data path with the terminal. Accordingly, the interworking device provides an Internet service to the terminal during movement.

Abstract: A method and apparatus for suppressing a transmit leakage signal of a radio frequency identification (RFID) reader is provided. The apparatus includes: a first power distributor distributing a transmission signal to output a first transmission signal and a second transmission signal; a second power distributor distributing the second transmission signal to output a third transmission signal and a fourth transmission signal; a first amplitude/phase converter converting an amplitude and a phase of the first transmission signal to generate a first converted signal; a second amplitude/phase converter converting an amplitude and a phase of the third transmission signal to generate a second converted signal; a first power combiner combining the first converted signal with a first leakage signal generated in association with the fourth transmission signal; and a second power combiner combining the second converted signal with a second leakage signal generated in association with the fourth transmission signal.

Abstract: A regional positioning method and apparatus in a wireless sensor network (WSN) is provided. The regional positioning method in a WSN, the regional positioning method including: setting a locating premise in the WSN based on a signal strength of an anchor node; sensing an event where a sensor node, installed in a target and called a target node, joins the WSN; detecting a locating premise where the target node is located based on the sensing of the event; and recognizing a location of the target based on the detected locating premise.

Abstract: A tactile sensor for curved surfaces applicable to objects with multi-dimensional curvature and a small radius of curvature and a manufacturing method thereof are disclosed. The tactile sensor for curved surfaces includes a lower pattern including a plurality of lower polymer film layers spaced at specified intervals in a lower direction, lower metal layers disposed on the lower polymer film layers, and a number of lower resistors disposed on the lower metal layers, an upper pattern including a plurality of upper polymer film layers spaced at specified intervals in a direction perpendicular to the lower direction, upper metal layers disposed on the upper polymer film layers, and a number of upper resistors disposed below the upper metal layers to be electrically connected to the lower resistors, and a lower polymer layer and an upper polymer layer to bond the lower pattern and the upper pattern to each other.

Abstract: The present invention relates to a transmit diversity method of a mobile communication system and a base station transmitting apparatus using the same. A first code and a second code that is diversity-encoded from the first code are generated, and transmit symbols are spread with the first code and the second code. A first transmit symbol spread with the first code and a second transmit symbol spread with the second code are mapped to symbols in frequency and time domains in a frame and transmitted through antennas. Therefore, various diversity techniques can be provided to the mobile communication system, and the diversity technique is not restricted to symbols transmitted to the same mobile station and can also be applied to a 1-bit channel.

Abstract: Provided are an apparatus for estimating a phase error and a phase error correcting system using the phase error estimating apparatus. The apparatus includes: a probability value estimating unit for estimating a negative log probability value for each transmission symbol by transforming a soft output information transferred from the outside to a log A posterior probability ratio (LAPPR) value; an APP value calculating unit for calculating a posterior probability (APP) value by applying a negative exponential function to the transmission symbol; an average value deciding unit for deciding an average value for each transmission symbol using the probability information entirely, partially, or selectively according to a probability information type; and a symbol phase estimating unit for estimating a phase of a symbol based on the decided average value.

Abstract: A combined mirror and presentation medium includes a presentation member (24) for displaying an image, a presentation body (23) inserted into the presentation member to display an image, a light-emitting unit (25) disposed on one side of the presentation member, a transparent member (21) disposed on one side of the presentation member, and a reflection member (22) deposited between the transparent member (21) and the presentation member (24); a body unit (10) for supporting the presentation medium; a speech recognition drive unit (40) installed inside the body unit (10), configured to detect speech frequencies from a user's speech signals, and driving the system; a control unit (50) installed inside the body unit (10) and configured to control the presentation medium (20) and the speech recognition drive unit (40); and a power source unit (60) for supplying power to the presentation medium, a speaker (70), and the control unit (50).

Abstract: A mixing type pixel driving method in an active display device includes generating a digital data for a selected pixel, first driving the selected pixel to be illuminated with a first illumination intensity, and second driving the selected pixel to be illuminated with a second illumination intensity in a second illumination interval. A relative ratio of the second illumination intensity to the first illumination intensity is changed according to the value of the digital data. The number of the converted bits by DAC is reduced. Therefore, the less bit DAC is adaptable for the mixing type pixel driving method and the layout area and the consumption current can be decreased.

Abstract: Provided is a method of incremental SSTA (statistical static timing analysis) of a digital circuit, the method including a first step in which, when a gate is replaced in the digital circuit, delay propagation is performed from a node of a replaced gate to a virtual sink node based on SSTA; a second step in which, if a changed value of a gate timing yield at each gate which propagates delay toward the virtual sink node is smaller than a predetermined threshold value, delay propagation with respect to a fanout gate of the corresponding gate is stopped; and a third step in which, when a delay with respect to the node of the replaced gate is propagated to the virtual sink node, a new timing yield is calculated at the virtual sink node.

Abstract: A packer structure for grouting injects a repair liquid into a crack of a concrete structure. The packer structure includes a packer body having a flange adhered onto the crack and a central tube extending upwards from a central portion of the flange, an elastic tube having a first end connected to a first coupling portion of the central tube, a repair liquid injecting tube having a second coupling portion connected to a second end of the elastic tube and a check valve coupled to the repair liquid injecting tube and preventing the repair liquid from flowing backward; a first coupling cap having an inner circumference surface of a lower portion screwed to the central tube, and a second coupling cap having an inner circumference surface of an upper portion screwed to the repair liquid injecting tube.

Abstract: Provided is a method of optimizing statistical timing of an integration circuit, the method including applying subtle changes of mean arrival times with respect to each of nodes in a timing graph of an integrated circuit to ADD operations and MAX operations of a block-based statistical static timing analysis (SSTA) method and approximating the corresponding operations; generating Jacobian matrixes between each node by using matrix components including differential coefficients calculated during linear approximation of the operations; calculating changed arrival time values of the circuit by propagating the Jacobian matrixes from a virtual sink node to a virtual source node; and calculating timing yield criticalities, which are variances of timing yield of the circuit due to subtle changes of mean arrival times with respect to each node, based on values obtained by the propagation.

Abstract: An apparatus for transmitting signals with multiple antennas is disclosed. The multiple antenna transmission apparatus performs space-time encoding or space-frequency encoding, and cyclically delays the encoded symbol with a plurality of delay-values to generate a plurality of delayed symbols. The multiple antenna transmission apparatus transmits the plurality of delayed symbols to the channel through a plurality of antennas. By changing the number of space areas for encoding and the number of delay-values for delaying, the number of antennas for the multiple antenna transmission apparatus is easily expanded.

Abstract: An apparatus for managing a plurality of wireless sensor networks selects a configuring policy according to a characteristic of each wireless sensor network and configures a network with the selected configuring policy for management. When an error occurs in the wireless sensor network, the apparatus performs error diagnosis based on a configuring policy applied to the error-detected wireless sensor network, infers a cause of the error, and provides an error recovery method corresponding to the inferred cause of the error to the error-detected wireless sensor network.

Abstract: Provided is an apparatus and method for computing the location of a radio beacon by using received signal strength (RSS) and multiple frequencies. The apparatus and method of the present invention computes the location of a radio beacon without limitation in distance by using multiple frequencies and received signal strength to resolve the problem of phase ambiguity. A radio beacon location computing system includes a plurality of base stations configured to receive signals of multiple frequencies transmitted from the radio beacon, and detect and output phase differences and received signal strength; and a location computing server configured to receive the phase differences and the received signal strength outputted from the respective base stations, acquire calculation distances based on the phase differences, remove phase ambiguity from the calculation distances based on the received signal strength, and compute the location of the radio beacon.

Abstract: Disclosed is a mat for exercise. The mat comprises a main mat having a foot hanger for a sit-up at a top surface of one side thereof and a plurality of grooves at a bottom surface of both lateral sides thereof, a plurality of sub-mats coupled with the main mat in use, and a plurality of attachment plates installed at corners of a bottom surface of the main mat and corners of bottom surfaces of the sub-mats, wherein the main mat is provided with female fabric hook-and-loop fastener (e.g., Velcro) tapes mounted at the grooves thereof, and the sub-mat is provided with male fabric hook-and-loop fastener (e.g., Velcro) tapes that laterally protrude corresponding to the grooves of the main mat.

Abstract: Provided is a method of manufacturing a crystalline semiconductor thin film formed on an amorphous or poly-crystalline substrate such as a glass substrate, a ceramic substrate, and a plastic substrate through induction heating using photo-charges. The method of manufacturing a crystalline semiconductor thin film includes a process of forming a low-concentration semiconductor layer on an inexpensive amorphous or poly-crystalline substrate such as a glass substrate, a ceramic substrate, and a plastic substrate and a process of crystallizing the low-concentration semiconductor layer through an induction heating manner using photo-charges. Accordingly, a low-concentration crystalline semiconductor thin film having characteristics better than those of general amorphous or poly-crystalline semiconductor thin film can be obtained by using simple processes at low production cost.

Abstract: Provided is an apparatus for detection timeout of each channel, which is a socket connection, in a Transmission Control Protocol (TCP) Offload Engine (TOE) using TCP accelerating hardware, and a method thereof. The timer managing apparatus of the TOE using the TCP accelerating hardware, including: a command register for receiving a command for a retransmission timer or a delayed ACK timer from an embedded processor of the TOE; a finite state machine (FSM) for storing information of a timer in operation by analyzing the command for the retransmission timer or the delayed ACK timer stored in the command register and controlling an entire operation of the timer managing apparatus; and a timeout checker for checking timeout of a timer in operation by using the stored timer information and notifying the timeout to the FSM.

Abstract: Provided is an apparatus and method for computing the location of a radio beacon by using Time Difference Of Arrival (TDOA) and multiple frequencies. The apparatus and method of the present invention compute the location of a radio beacon without limitation in distance by using multiple frequencies and time difference of arrival to resolve the problem of phase ambiguity. A radio beacon location computing system includes a plurality of base stations configured to receive signals of multiple frequencies transmitted from the radio beacon, and detect and output phase differences and arrival time; and a location computing server configured to receive the phase differences and the arrival time outputted from the respective base stations, acquire calculation distances based on the phase differences, remove phase ambiguity from the calculation distances based on the arrival time, and compute the location of the radio beacon.