Abstract: A three-dimensional semiconductor integrated circuit device including an inter-die interface is provided. The device includes a top die including a plurality of micro cells provided on a top surface of the top die, a plurality of micro bumps provided on a bottom surface of the top die, and wiring patterns connecting the plurality of micro cells to the plurality of micro bumps; and a bottom die including a plurality of macro cells provided on a top surface thereof, wherein the plurality of macro cells are electrically connected to the plurality of micro bumps, respectively, wherein a size of a region in which the plurality of micro cells are provided is smaller than a size of a region in which the plurality of micro bumps are provided.

Abstract: Disclosed is an ultrasonic image presentation device comprising: an ultrasonic scanner having a probe which is a part coming into direct contact with an object and a marker; a photographing unit configured to photograph the marker; an ultrasonic image presentation unit configured to acquire an ultrasonic image as a two-dimensional depth cross-sectional image for a part coming into contact with the probe of the ultrasonic scanner, estimate a position and posture of the marker in a three-dimensional image on the basis of an image photographed by the photographing unit; estimate a position and posture of the probe in the three-dimensional image from the estimated marker position and posture information, create a point cloud by converting pixels of the ultrasonic image into points of the three-dimensional image on the basis of the estimated probe position and posture information, and restore the three-dimensional ultrasonic image on the basis of the created point cloud; and a display unit configured to display th

Abstract: Disclosed is an ultrasonic image presentation device comprising: an ultrasonic scanner having a probe which is a part coming into direct contact with an object and a marker; a photographing unit configured to photograph the marker; an ultrasonic image presentation unit configured to acquire an ultrasonic image as a two-dimensional depth cross-sectional image for a part coming into contact with the probe of the ultrasonic scanner, estimate a position and posture of the marker in a three-dimensional image on the basis of an image photographed by the photographing unit; estimate a position and posture of the probe in the three-dimensional image from the estimated marker position and posture information, create a point cloud by converting pixels of the ultrasonic image into points of the three-dimensional image on the basis of the estimated probe position and posture information, and restore the three-dimensional ultrasonic image on the basis of the created point cloud; and a display unit configured to display th

Abstract: A medical instrument positioning tracking system according to the present invention comprises: a bar-type medical instrument of which the front end part is formed in a bar shape including needle and syringe shapes and which has an identification segment formed, on the rear end part thereof, in the longitudinal direction of the bar shape; a tracking multi-camera including a plurality of cameras provided at a plurality of locations so that the identification segment can be photographed in a plurality of time points; a display device for displaying an augmented reality image with the bar-type medical instrument as an augmented object and also displaying relevant information including location and angle information of the bar-type medical instrument; and a control device for acquiring, in real time, a tracking image capture by the tracking multi-camera for every frame, estimating a three-dimensional segment by using the acquired image, estimating the actual three-dimensional positioning of the bar-type medical in

Abstract: A rivet screw drill for fastening at least two panels, the rivet screw drill includes a head portion mounted to a fastening tool, a fastening portion integrally formed with the head portion and of which a screw thread is formed thereto and a perforating portion integrally formed with the fastening portion and pressurizing and penetrating the panels by rotation according to operation of the fastening tool, wherein a mounting protrusion, connected to the fastening tool, is protruded from the head portion and a plurality of support ends are formed to the mounting protrusion.

Abstract: A frame for a self-piercing rivet system that can provide bearing capacity for joining a rivet to a plate by using an anvil die and a punch unit is disclosed.

Abstract: A rivet stud bolt is disclosed. A rivet stud bolt for mounting an element to at least one panel includes a bolt portion to which the panel is assembled, a flange integrally formed to an end of the bolt portion, and a rivet portion integrally connected to the flange, in which at least two slits are formed, and the rivet portion is plastically deformed and connected to the panel.

Abstract: A rivet screw drill for fastening at least two panels, the rivet screw drill includes a head portion mounted to a fastening tool, a fastening portion integrally formed with the head portion and of which a screw thread is formed thereto and a perforating portion integrally formed with the fastening portion and pressurizing and penetrating the panels by rotation according to operation of the fastening tool, wherein a mounting protrusion, connected to the fastening tool, is protruded from the head portion and a plurality of support ends are formed to the mounting protrusion.

Abstract: A frame for a self-piercing rivet system that can provide bearing capacity for joining a rivet to a plate by using an anvil die and a punch unit is disclosed.

Abstract: A rivet stud bolt is disclosed. A rivet stud bolt for mounting an element to at least one panel includes a bolt portion to which the panel is assembled, a flange integrally formed to an end of the bolt portion, and a rivet portion integrally connected to the flange, in which at least two slits are formed, and the rivet portion is plastically deformed and connected to the panel.

Abstract: A calibration apparatus and method for supporting a Relay Station (RS) in a multiple antenna communication system are provided. The calibration method in the multiple antenna communication system which supports the RS includes, when a modem stage sends a downlink calibration signal, receiving, at a calibrator, the downlink calibration signal and estimating a downlink path channel, when the calibrator sends an uplink calibration signal, receiving, at the modem stage, the uplink calibration signal and estimating an uplink path channel, determining, at the modem stage, calibration coefficients per path not to generate a phase and amplitude difference with respect to the estimated uplink path channel and the estimated downlink path channel, and applying the calibration coefficients per path to corresponding antennas respectively.

Abstract: An apparatus and a method for determining a multi-antenna transmission mode at a base station in a multi-antenna system are provided. The method for determining the multi-antenna transmission mode includes when using a Multiple Input Multiple Output (MIMO) transmission mode as a multi-antenna transmission mode, determining a reference set point; updating a set point for transmit power control of a terminal according to an error occurrence of a signal received from the terminal; determining whether a channel to the terminal is a channel for applying the MIMO transmission mode by comparing the updated set point with the reference set point; and when the channel to the terminal is not a channel for applying the MIMO transmission mode, changing the multi-antenna transmission mode to a fixed transmission mode.

Abstract: Disclosed is a method for receiving a signal by a receiver in a communication system, the method includes receiving a signal; estimating a first noise value by using a reference signal included in the received signal; estimating a second noise value by using at least one subcarrier which has been unused for a transmission of data and the reference signal; and when a difference between the estimated first noise value and the estimated second noise value is greater than a threshold value, demodulating the data by using an interference removal algorithm.

Abstract: An apparatus and a method for determining a multi-antenna transmission mode at a base station in a multi-antenna system are provided. The method for determining the multi-antenna transmission mode includes when using a Multiple Input Multiple Output (MIMO) transmission mode as a multi-antenna transmission mode, determining a reference set point; updating a set point for transmit power control of a terminal according to an error occurrence of a signal received from the terminal; determining whether a channel to the terminal is a channel for applying the MIMO transmission mode by comparing the updated set point with the reference set point; and when the channel to the terminal is not a channel for applying the MIMO transmission mode, changing the multi-antenna transmission mode to a fixed transmission mode.

Abstract: A calibration apparatus and method for supporting a Relay Station (RS) in a multiple antenna communication system are provided. The calibration method in the multiple antenna communication system which supports the RS includes, when a modem stage sends a downlink calibration signal, receiving, at a calibrator, the downlink calibration signal and estimating a downlink path channel, when the calibrator sends an uplink calibration signal, receiving, at the modem stage, the uplink calibration signal and estimating an uplink path channel, determining, at the modem stage, calibration coefficients per path not to generate a phase and amplitude difference with respect to the estimated uplink path channel and the estimated downlink path channel, and applying the calibration coefficients per path to corresponding antennas respectively.

Abstract: Disclosed is a method for receiving a signal by a receiver in a communication system, the method includes receiving a signal; estimating a first noise value by using a reference signal included in the received signal; estimating a second noise value by using at least one subcarrier which has been unused for a transmission of data and the reference signal; and when a difference between the estimated first noise value and the estimated second noise value is greater than a threshold value, demodulating the data by using an interference removal algorithm.

Abstract: A system for inserting advertising into user-selected web content comprises a client engine and an advertising engine. The client engine is capable to aggregate user-selected content from multiple web pages into a file and to view files having aggregated content. The advertising engine is capable to displaying advertising whenever the client engine displays the aggregated content.

Abstract: A system for monitoring time-based cost of using information comprises a client engine and timer. The engine initiates and stops a timer that measures elapsed time between receiving information and receiving a signal to terminate displaying the signal. The engine also sends information associated with a tag embedded in the received information, a termination signal, and measured time to a server for recording in a database for later billing.

Abstract: A system for aggregating website content comprises an engine capable to compute source coordinates of at least one user-selected portion of at least one web page located on the network, compute placement coordinates for the at least one user-selected portion, and store the computed source coordinates, computed placement coordinates, and at least one web page identifier in a file in the memory device.