Abstract: A 3D multifunctional device in which a 3D printer and a 3D scanner are combined and a method for operating the device. The 3D multifunctional device includes a printing unit that includes a nozzle for ejecting material for 3D printing, a scanning unit that includes a light radiation module for radiating light to an object to be scanned and a camera for capturing an image of the object, a head unit for moving the printing unit and the scanning unit in X-axis and Y-axis directions, a bed plate on which the object to be scanned is located or the ejected material is deposited, the bed plate moving in a Z-axis direction, and a control unit for setting a function by selecting 3D scanning or 3D printing, controlling the scanning unit or the printing unit, and controlling the movements of the head unit and bed plate.

Abstract: Method and apparatus for augmented-reality rendering on a mirror display based on motion of an augmented-reality target. The apparatus includes an image acquisition unit for acquiring a sensor image corresponding to at least one of a user and an augmented-reality target, a user viewpoint perception unit for acquiring coordinates of eyes of the user using the sensor image, an augmented-reality target recognition unit for recognizing an augmented-reality target, to which augmented reality is to be applied, a motion analysis unit for calculating a speed of motion corresponding to the augmented-reality target based on multiple frames, and a rendering unit for performing rendering by adjusting a transparency of virtual content to be applied to the augmented-reality target according to the speed of motion and by determining a position where the virtual content is to be rendered, based on the coordinates of the eyes.

Abstract: An apparatus and method for managing a teeth model. The apparatus for managing a teeth model includes a database for storing a 3D intraoral structure image and a 3D teeth model image generated by scanning a healthy intraoral structure and teeth of a user; a generation unit for generating a damaged tooth model image by scanning a damaged tooth when the tooth of the user is damaged; and a modeling unit for modeling any one of a dental prosthesis and an artificial tooth by comparing the damaged tooth model image and the image stored in the database.

Abstract: A circuit and method for regulating an output voltage are provided. The circuit includes a fully differential first stage amplifier, a second stage amplifier, and a power output driver transistor. The first stage amplifier receives a reference voltage and feedback voltage relative to an output voltage of the power output driver transistor. A differential output of the first stage amplifier is received at differential inputs of the second stage amplifier. The second stage amplifier provides a voltage at a control terminal of the power transistor. The output voltage of the power transistor is based on the voltage at the control terminal and a supply voltage coupled to the power output driver transistor.

Abstract: A 3D scanning apparatus and method using lighting based on a smart phone. The 3D scanning apparatus includes: an image capturing unit for capturing the image of a 3D object using a camera and a lighting apparatus installed in a terminal; an image processing unit for generating a color-enhanced image corresponding to the light emitted by the lighting apparatus; and a scanning unit for scanning the 3D object in 3D by extracting a scan area from the color-enhanced image based on the light and by extracting position information corresponding to the scan area.

Abstract: An apparatus and method for assembling 3D printing outputs. The apparatus for assembling 3D printing outputs includes a mesh structuring unit for performing mesh structuring on a segmented surface generated by partitioning a virtual 3D modeled object, a printing unit for selecting the kind and shape of a coupler to be inserted into the segmented surface of the object, modeling a hole in the segmented surface using variables corresponding to the size of the coupler, and printing the partitioned objects, and an assembly unit for inserting the coupler into the hole and assembling the partitioned objects using the coupler.

Abstract: Method and apparatus for calibrating multiple cameras. A first mirror and a second mirror are arranged opposite each other. An object is disposed between the first mirror and the second mirror. Calibration of the multiple cameras is performed using a figure of the object formed on the second mirror via reflection from the first mirror and the second mirror.

Abstract: A circuit and method for regulating an output voltage are provided. The circuit includes a fully differential first stage amplifier, a second stage amplifier, and a power output driver transistor. The first stage amplifier receives a reference voltage and feedback voltage relative to an output voltage of the power output driver transistor. A differential output of the first stage amplifier is received at differential inputs of the second stage amplifier. The second stage amplifier provides a voltage at a control terminal of the power transistor. The output voltage of the power transistor is based on the voltage at the control terminal and a supply voltage coupled to the power output driver transistor.

Abstract: A circuit includes a first transistor having a first current electrode coupled to a first power supply node, a second current electrode coupled to a switching node; a second transistor having a first current electrode coupled to the switching node, a second current electrode coupled to a second power supply node; an inductor having a first terminal coupled to the switching node, a second terminal coupled to an output node; a third transistor having a first current electrode coupled to the output node, a second current electrode coupled to the switching node; a driver circuit configured to transition the switching node from a first voltage to a second voltage by turning on the third transistor to couple the output node to the switching node during a first time period, turning on the first transistor to couple the first power supply node to the switching node during a second time period.

Abstract: An apparatus and method for providing augmented reality-based realistic experience. The apparatus for providing augmented reality-based realistic experience includes a hardware unit and a software processing unit. The hardware unit includes a mirror configured to have a reflective characteristic and a transmissive characteristic, a display panel configured to present an image of an augmented reality entity, and a sensor configured to acquire information about a user. The software processing unit presents the augmented reality entity via the display panel based on the information about the user from the hardware unit after performing color compensation on the color of the augmented reality entity.

Abstract: An apparatus and method of operating a user equipment (UE) in a wireless communication system is provided. The apparatus includes a first communication unit comprising a transmitter configured to transmit a first signal to a base station or another UE and a first receiver configured to receive a second signal from the base station, wherein the first communication unit is connected to a first port of a switch module, a second communication unit comprising a second receiver configured to receive a third signal from the another UE and a third receiver configured to receive a fourth signal from the base station, wherein the second communication unit is connected to a second port of the switch module, and wherein the switch module is configured to perform time division duplexing (TDD) switching between the first port and the second port in a first communication mode, and wherein the switch module is connected to the first port in a second communication mode.

Abstract: According to one embodiment of the present invention, an ion source includes: an anode tube in which gas flowing in through one side is ionized and discharged to the other side and in which a slit is formed on the outer circumference thereof; a filament which emits thermal electrons toward the slit so as to ionize the gas; and a diffusion-preventing body arranged between the filament and the slit and having at least one hole through which the thermal electrons can pass so as to reduce the diffusion of the thermal electrons flowing into the anode tube.

Abstract: A 3D scanning apparatus and method using lighting based on a smart phone. The 3D scanning apparatus includes: an image capturing unit for capturing the image of a 3D object using a camera and a lighting apparatus installed in a terminal; an image processing unit for generating a color-enhanced image corresponding to the light emitted by the lighting apparatus; and a scanning unit for scanning the 3D object in 3D by extracting a scan area from the color-enhanced image based on the light and by extracting position information corresponding to the scan area.

Abstract: A system and method for analyzing an online game packet are disclosed. The system for analyzing the online game packet includes a capturing unit that captures a packet transmitted between a client terminal and a game server, and an analysis unit that analyzes the packet captured by the capturing unit, and defines, according to an analyzed result, a data field included in the packet as a static field having the same field structure or a dynamic field having a field structure according to a reference field defining an arrangement rule of a field or a field structure according to a user's request. According to the present invention, the data field of the captured packet may be defined for each type according to structural characteristics, thereby automatically analyzing the packet.

Abstract: An apparatus and method for capturing a light field image. The light field image capture apparatus includes a mirror array or a micro-lens array. An activated mirror selected from among the multiple mirrors of the mirror array provides light to the multiple elements of an image sensor. An activated lens, selected from among the multiple lenses of the micro-lens array, provides light to the multiple elements of the image sensor. Based on timesharing, the mirror, selected as the activated mirror from among the multiple mirrors, is changed, and the lens, selected as the activated lens from among the multiple lenses, is changed.

Abstract: A receiver, a transceiver, and method of operating the transceiver are provided. The receiver includes a diplexer configured to separate a first band signal and a second band signal, the first band signal including a plurality of first subband signals; a first multi-mode switch configured to generate one or more signal paths corresponding to one or more of the plurality of first subband signals; and a plurality of first band pass filters configured to filter the plurality of first subband signals, wherein the plurality of first band pass filters and the first multi-mode switch are electrically coupled, and one or more of the plurality of first band pass filters, corresponding to one or more of the plurality of first subband signals, filter the plurality of first subband signals, respectively.

Abstract: A transmitter and method are provided for processing a transmission signal. The transmitter includes an FEM that switches a plurality of band signals for a first and second communication scheme, wherein the band signals for the first communication scheme include a first HB signal, a second HB signal, a first LB signal, and a second LB signal, and the band signals for the second communication scheme include a third LB and a third HB signal; a first PAM including a first power amplifier that amplifies the third HB signal, a second power amplifier that amplifies the first HB signal, and a third power amplifier that amplifies the first LB signal; and a second PAM including a fourth power amplifier that amplifies the third LB signal, a fifth power amplifier that amplifies the second HB signal, and a sixth power amplifier that amplifies the second LB signal.

Abstract: An integrated circuit device includes a driver circuit (100) having a pull-up network with a first pull-up transistor (108) coupled to a second pull-up transistor (110) at a first node (VP), and a pull-down network coupled to the pull-up network including a first pull-down transistor (112) coupled to a second pull-down transistor (114) at a second node (VN). A first bias switch (116) is coupled to the first node. A second bias switch (118) is coupled to the second node. A control circuit (104) is coupled to operate the first and second bias switches. The first bias switch is operated to reduce a voltage at the first node during a pull-down cycle of the driver circuit and the second bias switch is operated to reduce a voltage at the second node during a pull-up cycle of the driver circuit.

Abstract: A circuit includes a first transistor having a first current electrode coupled to a first power supply node, a second current electrode coupled to a switching node; a second transistor having a first current electrode coupled to the switching node, a second current electrode coupled to a second power supply node; an inductor having a first terminal coupled to the switching node, a second terminal coupled to an output node; a third transistor having a first current electrode coupled to the output node, a second current electrode coupled to the switching node; a driver circuit configured to transition the switching node from a first voltage to a second voltage by turning on the third transistor to couple the output node to the switching node during a first time period, turning on the first transistor to couple the first power supply node to the switching node during a second time period.

Abstract: An integrated circuit device includes a driver circuit (100) having a pull-up network with a first pull-up transistor (108) coupled to a second pull-up transistor (110) at a first node (VP), and a pull-down network coupled to the pull-up network including a first pull-down transistor (112) coupled to a second pull-down transistor (114) at a second node (VN). A first bias switch (116) is coupled to the first node. A second bias switch (118) is coupled to the second node. A control circuit (104) is coupled to operate the first and second bias switches. The first bias switch is operated to reduce a voltage at the first node during a pull-down cycle of the driver circuit and the second bias switch is operated to reduce a voltage at the second node during a pull-up cycle of the driver circuit.