Abstract:
PURPOSE: A multi-node wireless power transmission system and a wireless chargeable device using magnetic resonance induction are provided to selectively charge a target device by receiving information from a plurality of wireless chargeable devices through a wireless power transmission device. CONSTITUTION: A power management unit(220_1) comprises a matching network(221), a rectifier(222), a power control switch(223), and a DC-DC converter(224). The DC-DC converter is connected to an external load of the power management unit. The power control switch receives an ON/OFF switching signal from a control unit. The matching network aligns frequency in order to induce resonance between a wireless chargeable device and a wireless power transmission device and implements impedance matching between a receiving antenna(210) and a wireless chargeable device.
Abstract:
PURPOSE: A grounding integrated embedded antenna is provided to implement light weight and miniaturization of an overall antenna by forming a grounding unit and a feeding unit in the same radiator unit. CONSTITUTION: A base part(100) is composed of a dielectric film. The dielectric film is formed by one of a conductive film or FPCB or a steel plate. A radiator unit(110) is formed on the base part using a conductive object for transmitting and receiving a signal. The radiator unit includes a feeding unit(120) and a grounding unit(130).
Abstract:
PURPOSE: A sensor node and control method thereof are provided to automatically control sensing cycles by calculating sensing rates based on established operation time by establishing the desired operation time. CONSTITUTION: A user inputs the operation time of a sensor node(S200). The control unit of the sensor node grasps the residual battery quantity of the sensor node(S210). The control unit calculates sensing rates(S220). The control unit controls a sensor based on the calculated sensing rates. The control unit recalculates the sensing rates if the established time is over(S230,S240).
Abstract:
PURPOSE: A volume management system in a data storing device is provided to increase convenience of management about function modification by modifying a function of a volume management unit in a plug-in scheme. CONSTITUTION: Storage hardware(110) stores data. A disk managing module(120) manages hardware for record. A volume manager(130) includes a manager interface and performs a specific management function of hardware through the disk managing module. A managing device(200) sets up the inputted plug-in in a data storing device and controls operation of the data storing device. The disk managing module manages the hardware based on RAID(Redundant Array Of Inexpensive Disk).
Abstract:
PURPOSE: An accident detecting system based on the sensor network and method thereof are provided to minimize needed information for workforce by having sensor nodes autonomically recognize and determine accidents. CONSTITUTION: A plurality of sensor node(100) collects a limited range of images and extracts object information of specific objects. At least a master node(200) generates integrated information by integrating each object information. A server(300) receives integrated information from the master node and infers whether an accident happens or not based on the integrated information.
Abstract:
PURPOSE: A method for correcting distribution information errors are provided to minimize problems generated by distribution information errors and to improve the reliability of distribution supplies by automatically correcting the distribution information errors. CONSTITUTION: An information collecting unit(121) collects transaction information from an EDI(Electronic Data Interchange) server. The information collecting unit collects distribution information from an EPC(Electronic Product Code) system. An error detecting unit(122) detects whether distribution information errors are generated by comparing the transaction information with the distribution information. The error detection unit determines the cause of the distribution information error. A correction rule management unit(123) acquires correction rules for a distribution information system.
Abstract:
PURPOSE: A vocal melody intense apparatus and a method thereof are provided to reinforce a vocal melody for various kinds of music by reinforcing vocal melody through inherent characteristic of the vocal melody. CONSTITUTION: A frequency converting unit(120) converts a plurality of frames into frequency domains. A parameter extracting unit(130) extracts vocal to accompaniment size ratio about the frames. A parameter comparator(140) selects an index frame of a plurality of frames.
Abstract:
PURPOSE: An excavator simulation system is provided to reduce time which is required for an evacuating work and to prevent a safety accident generating for actual training in advance. CONSTITUTION: An excavator simulation system comprises a Stewart platform(100) of six-degrees of freedom, an A/D converter(200), a workstation(300), a video device(700), and a driver operating device(600). The A/D converter changes an operating signal which is generated from the driver operating device installed in the Stewart platform into a digital signal. The video device displays a simulation image in the front side of the Stewart platform. The workstation controls the Stewart platform and the video device based on the operating signal from the A/D converter.
Abstract:
PURPOSE: A micro type wideband monopole antenna is provided to increases coupling combination between a top radiator and first and second bottom radiators by interconnecting the top radiator and the first and the second bottom radiators through via. CONSTITUTION: A monopole antenna comprises a top radiator, first and second bottom radiators(20a,20b), and first and second connection members(30a-30d). The top radiator is formed into the plate type structure of a rectangle shape. The first and second bottom radiators are formed into a laminating structure with the top radiator. The first bottom radiator is connected with a feeding unit(40). The first and second bottom radiators are arranged to be separated each other at a constant interval. The first and second connection members respectively connect the first and second bottom radiators.
Abstract:
PURPOSE: A flexible fiber module, a variable device package thereof, and a manufacturing method thereof are provided to maximize a wavelength variable conversion efficiency by restricting the passing path of light in a micro region. CONSTITUTION: A light oscillation module of a wavelength conversion device package comprises a laser diode temperature control part(110), a laser diode heat emitting block(120), a laser diode mounting block(130), and a laser diode temperature measurement sensor(140). The light oscillation module comprises a laser diode chip and a laser diode power monitoring photo diode. A flexible fiber module(200) irradiates light which is emitted from the light oscillation module to a wavelength modulated light. A polarization inversion waveguide chip module comprises a polarization inversion waveguide chip(310), a polarization inversion waveguide chip mounting block(320), a temperature measurement sensor(330), and a polarization inversion chip temperature control part(350).