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An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8166298 | Downloadable conditional access system and method of session control for secured 2-way communication between authentication server and host device in downloadable conditional access system Disclosed is a downloadable conditional access system (DCAS) including a key request unit to transmit a key request message to an authentication server, an authentication request unit to request authentication from the authentication server based on a key response m... | 04/24/2012 |
| 8165652 | Physiological signal detection module, multi-channel connector module and physiological signal detection apparatus using the same Provided is a physiological signal detection module which has a heating member and a multi-channel connector. The heating member maintains an electrode's contact with a user skin at a constant temperature, and the multi-channel connector module for electrical connec... | 04/24/2012 |
| 8155521 | Multi-degree cross-connector system, operating method and optical communication network using the same Provided are a network node which has a wavelength switching cross-connection function and can thus interconnect paths of a wavelength-division-multiplexed optical signal and convert wavelengths, and an operating method of the network node. Accordingly, it is possib... | 04/10/2012 |
| 8155104 | Method for preamble-based bandwidth request in wireless portable internet system Disclosed is a method for a preamble-based bandwidth request. The present invention enables state control of a subscriber station based on the latest environment in a portable Internet system requesting a bandwidth using a preamble, and hence allows a subsequent mor... | 04/10/2012 |
| 8150477 | Mobile station and method for providing ultra power-saving mode in mobile station Provided are a mobile station and a method for providing an ultra power-saving mode in a mobile station. The method for providing an ultra power-saving mode in a mobile station includes: inactivating a communication function in a standby mode of the mobile station; ... | 04/03/2012 |
| 8149918 | Method of estimating coded block pattern and method of determining block mode using the same for moving picture encoder Provided are a coded block pattern (CBP) estimating method which is performed using an average value and a dispersion value between blocks of CBPs in a moving picture encoder for IP-TVs (Internet Protocol-Televisions), and a block mode decision method, which can det... | 04/03/2012 |
| 8140054 | Method for authenticating subscriber station, method for configuring protocol thereof, and apparatus thereof in wireless portable internet system Disclosed are a subscriber station authentication method, a protocol configuration method, and a device thereof in a wireless portable Internet system. In the subscriber station authentication method, an authentication mode between a subscriber station (10) a... | 03/20/2012 |
| 8139937 | Automatic optical power control method for OLT in PON Provided is an automatic optical power control method for an optical line terminal (OLT) of a passive optical network (PON). The automatic optical power control method includes at the OLT, measuring an allowable range of the optical power allowing a normal network o... | 03/20/2012 |
| 8135220 | Face recognition system and method based on adaptive learning A face recognition system based on adaptive learning includes a specific person detection and tracking unit for detecting and tracking a specific person from a moving image. A facial feature extraction unit extracts a plurality of facial feature vectors from the det... | 03/13/2012 |
| 8130774 | Object tracking method and system An object tracking method uses a system having an object identifying device and at least one video tracking device, wherein the object identifying device monitors an area to identify an object entering the area and the video tracking device wired/wirelessly connecte... | 03/06/2012 |
| 8127172 | Apparatus and method for receiving parallel SFI-5 data interfaced with very high-speed deserializer The development of transmission technologies have resulted in a several tens Gbps optical transmission system. In the present invention, a low-speed FPGA receives a plurality of several Gbps signals according to a very high-speed parallel converting unit and the SFI... | 02/28/2012 |
| 8127136 | Method for security association negotiation with extensible authentication protocol in wireless portable internet system The present invention relates to a security association negotiation method of extensible authentication protocol (EAP) for authenticating a subscriber station user in a wireless portable Internet system. An exemplary security association negotiation method using a u... | 02/28/2012 |
| 8116538 | System and method for verifying face of user using light mask A system and method for verifying the face of a user using a light mask are provided. The system includes a facial feature extraction unit for extracting a facial feature vector from a facial image received from a camera. A non-user Gaussian Mixture Model (GMM) conf... | 02/14/2012 |
| 8116369 | Multi-display supporting multi-view video object-based encoding apparatus and method, and object-based transmission/reception system and method using the same Provided are a multi-display supporting multi-view video object-based encoding apparatus and method, and an object-based transmission/reception system and method using the encoding apparatus and method. The encoding apparatus includes: a shape abstracting means for ... | 02/14/2012 |
| 8111758 | 3D stereoscopic/multiview video processing system and its method Disclosed is a stereoscopic/multiview three-dimensional video processing system and its method. In the present invention, stereoscopic/multiview three-dimensional video data having a plurality of images at the same time are coded into a plurality of elementary strea... | 02/07/2012 |
| 8103163 | Method of controlling optical output power and passive optical network system using the same Provided are an optical output power control method that provides optical communication without harming the human body even when a transmission line is cut or no optical network unit (ONU) accesses a communication system, and a passive optical network (PON) system u... | 01/24/2012 |
| 8094589 | Method and apparatus for multimedia messaging service using Parlay X web service Provided is a method and apparatus for providing a multimedia message service based on a Parlay X Web service to easily check the status of a multimedia message which is requested to be transmitted in a multimedia messaging application server. The apparatus activate... | 01/10/2012 |
| 8094549 | Apparatus and method for classifying quality-of-service of packet in portable internet system In a portable Internet system, packets are classified into a first packet classified as a transport connection identifier (CID) and a second packet that is not classified as a transport CID by using an established packet classification rule. An application program o... | 01/10/2012 |
| 8086433 | Simulation apparatus and method for design of sensor network A simulation apparatus and method in relation to a sensor network are provided. The apparatus includes: a space database storing space information; a database storing standard specifications of sensors or sensor nodes; and a modeling unit extracting information on a... | 12/27/2011 |
| 8086102 | Passive optical network based on reflective semiconductor optical amplifier Provided is a passive optical network (PON) based on a reflective semiconductor optical amplifier (RSOA). In the PON, seed-light-injection RSOAs are used in an optical line terminal (OLT) to achieve the color-less management of the wavelengths of OLT optic sources, ... | 12/27/2011 |
| 8081661 | Dynamic bandwidth allocation device for an optical network and method thereof A dynamic bandwidth allocation (DBA) device and a method thereof are provided. In the DBA method, the band allocation periods according to class queues and allocable bands with respect to each class queue are calculated on the basis of the service level agreement in... | 12/20/2011 |
| 8077792 | Method and apparatus for allocating transmission power in communication system with multiple antennas In a method for allocating transmission power in a communication system including multiple antennas, a plurality of subcarriers are grouped by a plurality of groups, and each group includes at least one subcarrier. A transmission power weight and an antenna transmis... | 12/13/2011 |
| 8068510 | Demodulation apparatus for efficiently embodying adaptive modulation and coding method in OFDMA based packet communication system and method thereof Disclosed is a demodulation apparatus for receiving signals by an adaptive modulation and coding method, and demodulating the signals, in an OFDMA based packet communication system, comprising: a QAM demapper for performing QAM demapping to the received signals by a... | 11/29/2011 |
| 8055986 | Viterbi decoder and method thereof The present invention relates to a decoder for tail-biting convolution codes and a method thereof. The decoder receives an encoding bit sequence in a convolutional encoding method from a channel, generates an expanded encoding bit sequence, Viterbi decodes the expan... | 11/08/2011 |
| 8055106 | Optical communication device including a digital optical switch An optical communication device provided with digital optical switching includes a substrate; and at least one optical switch including a first optical switch composed of a main core disposed on the substrate and extending along a first direction, the main core incl... | 11/08/2011 |
| 8054172 | Apparatus with reconfiguration function and signal gathering function The present invention relates to an apparatus with reconfiguration function and signal gathering function. The apparatus with reconfiguration function and signal gathering function according to the present invention comprises a signal gathering unit which gathers at... | 11/08/2011 |
| 8053345 | Method for fabricating field effect transistor using a compound semiconductor Provided is a method for fabricating a field effect transistor. In the method, an active layer and a capping layer are formed on a substrate. A source electrode and a drain electrode is formed on the capping layer. A dielectric interlayer is formed on the substrate,... | 11/08/2011 |
| 8051283 | Message security processing system and method for web services A message security processing system and method for Web services are provided. In the message security processing system in which messages are exchanged between a client and a server with a SOAP-RPC format, each of the client and the server includes: a security inte... | 11/01/2011 |
| 8050280 | Efficient switching device and method for fabricating the same using multiple shared memories An efficient switching device and a method for fabricating the same using multiple shared memories are provided. The switching device includes: an output time determination unit to determine an output time to an output port; an output time administration unit to adm... | 11/01/2011 |
| 8047849 | Braille display device using electrorheological fluid and manufacturing method thereof Provided are a braille display device using an electrorheological fluid and a method for manufacturing the same. The braille display device includes: a base body in which a plurality of insulating reception grooves are formed; a first electrode arranged below the ba... | 11/01/2011 |
| 8047088 | Environmental test chamber having movable panel and method of driving the same Disclosed are an environmental test chamber having a movable panel and a method of driving the same. The environmental test chamber is used in a thermo-hygrostat, a thermostat, and a high temperature-low temperature tester. The chamber body includes a test cavity in... | 11/01/2011 |
| 8032926 | Method of configuring hierarchical network of user group and resource group and key distribution center Provided are a method of configuring a hierarchical network of user groups and resource groups, and a key distribution center. The method includes the steps of: analyzing hierarchical connection relationships between respective user groups and respective resource gr... | 10/04/2011 |
| 8023560 | Apparatus and method for processing 3d video based on MPEG-4 object descriptor information The present invention relates to three-dimensional video processing apparatus and method using MPEG-4 object descriptor information and structures. The three-dimensional video processing apparatus and method that can support a three-dimensional video service smoothl... | 09/20/2011 |
| 8010229 | Method and apparatus for returning cleaning robot to charge station Provided are a method and apparatus for ensuring a cleaning robot to return to a charge station. The method includes the steps of: (a) measuring a battery usable time, a running speed, and an actual return distance of a cleaning robot during a cleaning operation; (b... | 08/30/2011 |
| 8009986 | Optical node for mesh-type WDM optical network An optical node capable of supporting a mesh-type optical network is provided. The node includes: N ROADMs, which separate specific wavelength channels from a multiple wavelength channel optical signal that is input from any node constituting the optical network, al... | 08/30/2011 |
| 8000500 | System and method for analyzing of human motion based on silhouettes of real time video stream A system and method for analyzing the motions of an object based on the silhouettes of the object are provided. The system includes a foreground detector, a contour extractor, a model generator, a corner histogram generator, and a value of similarity measuring unit.... | 08/16/2011 |
| 7998861 | Method of manufacturing through-via Disclosed is a method of manufacturing a through-via. The through-via manufacturing method includes forming a core-via hole in a wafer, forming a suction-via hole adjacent to the core-via hole in the wafer, forming a via core in the core-via hole, forming a polymer-... | 08/16/2011 |
| 7995883 | Optical waveguide and bi-directional optical transceiver Disclosed are an optical waveguide and a bi-directional light transceiver, in which a wavelength selective filer is provided in the core of the optical waveguide to divide bi-directional signals, so that manual alignment of optical components are easily achieved and... | 08/09/2011 |
| 7995657 | Intelligent water ring scan apparatus and method based on quality factor, and video encoding/decoding apparatus and method using the same Provided are intelligent water ring scan apparatus and method thereof, image encoding/decoding apparatus using the water ring scanning and method thereof, and a computer-readable recording medium for recording a program that implements the methods. The apparatus or ... | 08/09/2011 |
| 7995626 | Athermal external cavity laser Provided is an athermal external cavity laser (ECL), whose output optical power and output wavelength can be kept regular irrespective of temperature changes without using additional temperature controlling components. The ECL comprises: a semiconductor amplifier; a... | 08/09/2011 |
