Abstract:
PURPOSE: A charging system of a charging device based on a magnetic resonance induction method and a charging method thereof are provided to recognize information of the charging devices without additional frequency band consumption using a magnetic field communication technology. CONSTITUTION: A charging base station transfers energy to a charging device. A communication part transfers energy by matching the charging device and a resonant frequency. The communication part includes a coil. A storage part stores information for operating a charging base station and information with respect to the charging device. A controller controls the communication part.
Abstract:
PURPOSE: A charging system and a charging method of charging device based magnetic resonance induction are provided to recognize the information of a charger without additional frequency band through a magnetic field communications technology. CONSTITUTION: A first charge station is searched. A second charge station capable of performing wireless power electrical transmission is searched. An energy transmission request socket is transmitted to the secondary charge station. An energy transport request packet comprises an identifier of a charging machine. Wireless power is received from the searched secondary charge station.
Abstract:
PURPOSE: A substrate holder for a molecular beam epitaxy apparatus is provided to reduce unevenness of a thermal expansion coefficient and processing temperature of a substrate, thereby minimizing crack generation within the substrate in a high temperature heating process. CONSTITUTION: A substrate holder(10') is formed into a tube shape which is opened in up and down directions. A protrusion(11) is arranged along the circumference in the inner surface of the substrate holder in order to horizontally mount an epitaxy target substrate(D). A plurality of supporting projections(12) is arranged in the upper surface of the protrusion in order to separate the substrate from the protrusion. A step shape groove is arranged in the inner upper part of the substrate holder. The substrate holder is manufactured with pure molybdenum or molybdenum alloy.
Abstract:
PURPOSE: System and method for automatically tuning driving parameters for a robot are provided to ensure the reliability of tuning parameters since even if the characteristic of a motor and the nature of a mechanism unit changes, statistical data is stored and updated. CONSTITUTION: A system(10) for automatically tuning driving parameters for a robot comprises a main controller(100), an automatic parameter tuning system(200), and a robot body(300). The main controller generates and transfers control commands. The tuning system generates and transfers output according to control commands. The tuning system compensates the output of a current control state based on table information and automatically tunes parameters required for operating a motor. The motor of the robot body operates depending on output transferred from the tuning system.
Abstract:
PURPOSE: A method for detecting the most suitable attachment place of an RFID(Radio Frequency IDentification) tag is provided to detect the most suitable attachment place of an RFID tag on the surface of a product case moving on a conveyor. CONSTITUTION: A test is repeated as many as fixed times by changing an environment factor influencing a recognition rate of a tag(S130). A successful recognition rate of the tag is calculated(S140). An RFID reader calculates average times for recognizing the tag to calculate an average recognition rate of the RFID reader(S150). An optimized attachment location of a product case surface is selected using the successful recognition rate and the average recognition rate(S170).
Abstract:
PURPOSE: A plug and play device for a home network is provided to add a function for multimedia streaming to an existing home appliance through a UPnP(Universal Plug and Play) Proxy. CONSTITUTION: A network interface module(110) performs the access to a home network, and a decoder(120) decodes a multimedia file. The network interface module receives the multimedia file through the home network. An audio output module(130) outputs the decoded audio to the home appliance. A video output module(140) outputs the decoded video to the home appliance, and a remote controller(150) remotely controls the home appliance.
Abstract:
PURPOSE: A composition for a capacitor dielectric and a manufacturing method of the capacitor dielectric are provided to apply the composition for a process of producing a thin film on the large area, by depositing the composition to the large area. CONSTITUTION: A composition for a capacitor dielectric is obtained by mixing bismuth acetate or bismuth nitrate raw materials with an organic solvent and ethoxide. The organic solvent is methoxy ethanol. A manufacturing method of the capacitor dielectric comprises the following steps: preparing the composition for the dielectric; forming a thin film on a substrate using the composition; and forming an electrode on the thin film.
Abstract:
PURPOSE: An electromagnetic wave absorber, an antenna for an RFID tag, the RFID tag, and a manufacturing method thereof are provided to secure the stable operation of the RFID tag regardless of attached materials by absorbing the electromagnetic waves reflected from the attached materials. CONSTITUTION: An antenna for an RFID tag includes an electromagnetic wave absorber(100), a dielectric layer(120a), and a metal layer(130). The dielectric layer is formed on the electromagnetic wave absorber. The metal layer is formed on the dielectric layer. The electromagnetic wave absorber is made of a mixture of powder with high permeability, urethane binder, and silicon disperser. The powder with high permeability is sendust powder or permalloy powder.
Abstract:
PURPOSE: A transistor having a heat dissipation structure is provided to effectively radiate heat generated from an electrode to the outside. CONSTITUTION: A substrate(10) has a front side and a back side. Multiple nitride layers(12, 14, 16, 18, 19) are formed on the front side of the substrate. A source electrode(31), a gate electrode(33) and a drain electrode(35) are formed on the multiple nitride layers. A heat radiation structure includes a cooling groove and a radiation layer(43). The cooling groove is formed on the back side of the substrate so that the substrate includes an area in which a plurality of electrodes is formed. The radiation layer is formed on the inner side of the cooling groove.
Abstract:
The photoelectric conversion module and the manufacturing method thereof are provided to improve the light coupling efficiency by connecting directly the optical guide to the optical device array and printed circuit board. The photoelectric conversion module for improving the light coupling efficiency comprises the printed circuit board(100) having the groove, the ductility integrated circuit board(110) in which one end is bent to the groove, the optical device array(120) formed on the ductility IC of the substrate, the optical guide whose one end is photo-connected to the optical device array(130), the epoxy(150) which surrounds the ductility integrated circuit board and optical device array, and the semiconductor chip(140) having the driver circuit.