Patents Assigned to Electronics and Telecommunications
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Publication number: 20120129682Abstract: Provided is a method of fabricating of a nanowire porous medium and a medium formed by the method. In this method, water and organic solvent are mixed and stirred to form a large amount of bubbles, and the bubbles are used such that porosity can be formed more easily and in a more amount. Therefore, the nanowire porous medium can be fabricated more easily and simply. Also, in the nanowire porous medium according to the inventive concept, absorption capacity is increased by containing nanowires, and flexibility and durability are increased by containing a polymer.Type: ApplicationFiled: November 3, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Yong Ju YUN, Han Young YU, Yark Yeon KIM, Won Ick JANG
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Publication number: 20120127987Abstract: A packet route management device, a voice over Internet protocol (VoIP) system, and a method of controlling voice call quality. The packet route management device may manage a packet route in an effort to control VoIP voice call based on bandwidth information of packet route devices. Accordingly, the packet route devices may be allowed to process VoIP packets in real time, and thus voice quality can be maintained at a constant level without packet delay or packet loss.Type: ApplicationFiled: November 18, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Woon-Seob SO, Do-Young KIM, Byung-Sun LEE
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Publication number: 20120127859Abstract: A packet scheduling method and apparatus which allows multiple flows that require data transmission to the same output port of a network device such as a router to fairly share bandwidth. The packet scheduling method includes calculating an expected time of arrival of a (k+1)-th packet subsequent to a currently input k-th packet of individual flows by use of bandwidth allocated fairly to each of the flows and a length of the k-th packet; in response to the arrival of the (k+1)-th packet, comparing the expected time of arrival of the (k+1)-th packet to an actual time of arrival of the (k+1)-th packet; and scheduling the (k+1)-th packet of each flow according to the comparison result.Type: ApplicationFiled: November 21, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Nam-Seok KO, Jong-Dae PARK, Byung-Ho YAE, Sung-Kee NOH, Woo-Sug JUNG, Sung-Jin MOON, Hwan-Jo HEO, Soon-Seok LEE
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Publication number: 20120128295Abstract: The present inventive concept herein relates to multi-channel optical modules, and more particularly, to a multi-channel optical module capable of processing a plurality of signals having different optical wavelengths. The multi-channel optical module may include a stem including one or more cavities; at least one lead pin formed in one or more cavities; a plurality of optical devices formed in the one or more cavities; and a filter portion forming an optical path between the plurality of optical devices and an optical fiber by separating a plurality of optical signals according to a wavelength. According to the inventive concept, processing capacity of the optical module may be improved. Also, according to the inventive concept, electrical and optical cross talk of the optical module may be reduced.Type: ApplicationFiled: November 21, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kwon-Seob LIM, Hyun Seo KANG, Jong Jin LEE, Seihyoung LEE, Jai Sang KOH
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Publication number: 20120126357Abstract: Provided are light detection devices and methods of manufacturing the same. The light detection device includes a first conductive pattern on a surface of a substrate, an insulating pattern on the substrate and having an opening exposing at least a portion of the first conductive pattern, a light absorbing layer filling the opening of the insulating pattern and having a top surface disposed at a level substantially higher than a top surface of the insulating pattern, a second conductive pattern on the light absorbing layer, and connecting terminals electrically connected to the first and second conductive patterns, respectively.Type: ApplicationFiled: October 28, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Sang Hoon KIM, Gyungock Kim, In Gyoo Kim, JiHo Joo, Ki Seok Jang
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Publication number: 20120127266Abstract: A method and apparatus for providing a broadcasting service are provided. The broadcasting service may be classified based on a broadcasting service type, such as a frame-compatible service, and a service-compatible service. Additionally, a descriptor may be generated based on the broadcasting service type, and a compatibility between a stereoscopic three-dimensional (3D) broadcasting service and a single stream-based broadcasting service may be provided.Type: ApplicationFiled: November 23, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Eung Don LEE, Se Yoon JEONG, Sang Woo AHN, Jin Soo CHOI, Jin Woong KIM
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Publication number: 20120128261Abstract: Provided is an adaptive motion search range determining apparatus and method for encoding UHD-class high-resolution images. The adaptive motion search range determining apparatus includes an MVD average/standard deviation calculation unit calculating an value average and a standard deviation of MVDs of neighboring macroblocks of a current macroblock, and a motion search range determination unit determining a motion search range of the current macroblock using the value average and the standard deviation. According to the adaptive motion search range determining apparatus, it is possible to enable each macroblock to have an adaptive search range by variably adjusting a motion vector search range of a current macroblock with reference to motion vectors of neighboring macroblocks of the current macroblock.Type: ApplicationFiled: November 21, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Suk Ho LEE, Seong Mo Park, Nak Woong Eum, Hee-Bum Jung
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Publication number: 20120127916Abstract: A wireless communication system includes a plurality of nodes and a base station. The plurality of nodes include a connection node that is positioned at a BS range of the base station to transmit and receive a packet to and from the base station, or that is positioned outside a BS range of the base station to transmit and receive a packet to and from the base station through other connection nodes, and a relay request node that is positioned at a periphery of the connection node and that transmits a relay request to the connection node when the relay request node deviated from a BS range of the base station.Type: ApplicationFiled: November 14, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Sangkeun YOO, Taekon Kim, Yong-Woon Kim, Hyoung Jun Kim
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Publication number: 20120126958Abstract: The present invention discloses a medication history management system and method. The medication management system includes: a mobile terminal; a medicine storage apparatus which is operably connected to the mobile terminal and stores medicines; and a medication management server which is connected to the mobile terminal via a network, provides a medicine loading request message for requesting a user to load a medicine in the medicine storage apparatus to the user through the mobile terminal when the user who must take the medicine will go out, and provides a medication request message for requesting the user to take the medicine stored in the medicine storage apparatus to the user through the mobile terminal when it is time to take the medicine.Type: ApplicationFiled: October 25, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Dae Hee KIM, Jae Hun Choi, Myung Eun Lim, Soo Jun Park
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Publication number: 20120127458Abstract: A multi-function optical measurement device having an optical wavelength and power measurement function, a ferrule/fiber scoping function, and a ferrule/fiber cleaning function includes a path select unit separating an optical signal for transmission and an optical signal for scoping from a ferrule/fiber; a wavelength and power measurement unit measuring a wavelength and a power of the optical signal for transmission from the path select unit; and a ferrule/fiber scoping unit converting an optical signal for scoping from the path select unit into an electrical signal. It is possible to perform a wavelength and power measurement and a ferrule/fiber scoping by one connection. Since a ferrule/fiber cleaning may be additionally included in one measurement device, it is easy to handle and carry an optical measurement device. A time required to perform a work using an optical measurement device may be reduced.Type: ApplicationFiled: November 21, 2011Publication date: May 24, 2012Applicant: Electronics and Telecommunications Research InstituteInventors: Kwon-Seob LIM, Hyun Seo KANG, Gwang Su YUN, Chong Hee YU, Jai Sang KOH
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Patent number: 8184153Abstract: A multiple ROI (region of interest) setting method and apparatus in scalable video coding and an ROI reconstructing method and apparatus are provided. The multiple ROI setting apparatus includes: an ROI setting unit which sets at least one or more ROIs and allocates ROI identification numbers to the each of ROIs; a mapping unit which allocates at least one or more slice group identification numbers to the at least one or more ROI identification numbers; and a message generating unit which generates a message including ROI-associated information, slice-group-associated information, mapping information on mapping of the ROI identification number to the at least one or more slice group identification numbers, and scalability information.Type: GrantFiled: September 25, 2006Date of Patent: May 22, 2012Assignees: Electronics and Telecommunications Research Institute, Research and Industrial Cooperation GroupInventors: Jung Won Kang, Jae Gon Kim, Jin Woo Hong, Yong Man Ro, Tae Meon Bae, Cong Thang Truong
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Patent number: 8184718Abstract: A water ring decoding apparatus configured to process a data string into a restored data set, such as a video image frame, is disclosed. The restored data set is organized with at least one restored origin enveloped by a plurality of nested restored environs successively surrounding each other in the restored data set. The decoder is configured to write the data string into the restored data set by starting at the RC group corresponding to the restored origin (restored water ring (0)) and by sequentially progressing outwardly from the family of RC groups corresponding to the nearest nested restored environ (restored water ring (1)) towards the family of RC groups corresponding to a furthest nested restored environ (restored water ring (n)).Type: GrantFiled: January 15, 2007Date of Patent: May 22, 2012Assignees: Electronics and Telecommunications Research InstituteInventors: Gwang-Hoon Park, Chie-Teuk Ahn, Won-Sik Cheong, Jin-Woong Kim, Kyu-Heon Kim, Myoung-Ho Lee, Yoon-Jin Lee, Young-Kwon Lim
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Patent number: 8183633Abstract: Provided is a semiconductor and a method for forming the same. The method includes forming a buried insulating layer locally in a substrate. The substrate is etched to form an opening exposing the buried insulating layer, and a silicon pattern spaced in at least one direction from the substrate is formed on the buried insulating layer. A first insulating layer is formed to enclose the silicon pattern.Type: GrantFiled: July 30, 2010Date of Patent: May 22, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: O-Kyun Kwon, Dong-Woo Suh, Jung-Hyung Pyo, Gyung-Ock Kim
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Patent number: 8184606Abstract: In a signal monitoring apparatus of a base station of a communication system having multiple antennas, a transmitting/receiving unit transmits a plurality of transmit signals by using the multiple antennas or processes a plurality of receive signals received through the multiple antennas. A radio frequency calibration unit calibrates the transmit signals transmitted through the multiple antennas, and processes at least one target transmit signal among the plurality of transmit signals so as to monitor the at least one target transmit signal. A signal monitoring unit receives at least one first signal or at least one second signal, and transmits the at least one first signal or the at least one second signal to user equipment. The at least one first signal is a signal processed from at least one target receive signal among the plurality of receive signals, and the at least one second signal is a signal processed from the at least one target transmit signal by controlling the radio frequency calibration unit.Type: GrantFiled: December 8, 2006Date of Patent: May 22, 2012Assignees: Samsung Electronics Co., Ltd., Electronics and Telecommunications Research Institute, SK Telecom Co., Ltd., KT Corporation, Hanaro Telecom, Inc.Inventors: Young-Jo Bang, Youn-Ok Park, Yong-Su Lee
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Patent number: 8185393Abstract: A speech recognition apparatus generates a feature vector series corresponding to a speech signal, and recognizes a phoneme series corresponding to the feature vector series using sounds corresponding to phonemes and a phoneme language model. In addition, the speech recognition apparatus recognizes vocabulary that corresponds to the recognized phoneme series. At this time, the phoneme language model represents connection relationships between the phonemes, and is modeled according to time-variant characteristics of the phonemes.Type: GrantFiled: December 12, 2008Date of Patent: May 22, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Hoon Chung, Yunkeun Lee
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Patent number: 8184581Abstract: Provided are a method and apparatus for transmitting control information and packet data. The method includes generating control channels which transmit the control information; generating control indication channel which indicates whether the control channels are transmitted or not; generating data channels in order to transmit the packet data based on the control information; multiplexing the control channels, the control indication channels, and the data channels; and transmitting the control channels, the control indication channels, and the data channels. According to the present invention, when control information and packet data are transmitted in downlink, by transmitting additional information indicating whether control channels are transmitted or not, resources not actually allocated to control channels can be allocated to data channel and the mobile station can receive data channel using the control indication information.Type: GrantFiled: May 1, 2009Date of Patent: May 22, 2012Assignees: Electronics and Telecommunications Research Institute, Samsung Electronics Co., Ltd.Inventors: Tae-Joong Kim, Gi-Yoon Park, Ok-Sun Park, Jae-Kyung Lee, Hyeong-Jun Park, Seung-Chan Bang
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Patent number: 8185108Abstract: The present invention relates to a multi-mode communication system and a method thereof. The multi-mode communication system uses a first mode among a plurality communication modes for accessing a first mobility control entity (MCE) among a plurality of MCEs, and communicates data with the first MCE. The multi-mode communication system receives a paging request that has been transmitted from a multi-mode control entity (MMCE) for accessing a second MCE from the first MCE and analyzes the paging request, and puts the first mode into a sleep mode and a second mode for accessing the second MCE into an awake mode based on the analysis. Subsequently, multi-mode UE accesses the second MCE by using the second mode in the awake mode. According to the present invention, an MMCE for multi-mode control is provided to integrate and manage an idle state for each access mode of multi-mode user equipment, thereby minimizing power consumption due to access of the multi-mode UE to a radio access system.Type: GrantFiled: September 22, 2006Date of Patent: May 22, 2012Assignees: Electronics and Telecommunications Research Institute, SK Telecom Co., Ltd., KTFreetel Co., Ltd.Inventors: Kwang-Ryul Jung, Hye-Yeon Kwon, Ae-Soon Park
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Patent number: 8185385Abstract: The present research can decrease the amount of computation and enhance speech quality by using a global pulse replacement method in a fixed codebook search. The fixed codebook search method in a speech encoder based upon global pulse replacement, includes the steps of: (a) computing absolute values of the pulse-position likelihood-estimator vectors; (b) temporarily obtaining a codebook vector; (c) computing a mathematical equation by replacing a pulse; (d) determining whether a value computed based upon the mathematical equation is increased after pulse replacement; (e) obtaining a new codebook vector by replacing the pulse; and (f) maintaining a previous codebook vector.Type: GrantFiled: April 26, 2010Date of Patent: May 22, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Eung-Don Lee, Do-Young Kim
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Patent number: 8184702Abstract: Provided is a method for performing hierarchical B picture-based coding on a video sequence using the structure of adaptively divided group of pictures (GOP). The method includes the steps of, for each predefined 2N frame-sized group of pictures (GOP) of the video sequence, (a) encoding the 2N frame-sized GOP of the video sequence based on each of the different GOP sizes from the maximum size, 2N, to the minimum size, 2M (M is an integer between 1 and N) and obtaining different values between frames reconstructed after the encoding is performed and frames after the hierarchical B-picture prediction is performed, based on each of the different GOP sizes; (b) selecting at least one sub-GOP based on the difference values obtained by encoding the 2N frame-sized GOP of the video sequence based on each of the different GOP sizes; and (c) generating a bitstream by encoding the 2N-frame-sized GOP based on the at least one selected sub-GOP.Type: GrantFiled: October 31, 2005Date of Patent: May 22, 2012Assignees: Electronics and Telecommunications Research Institute, Kyunghee UniversityInventors: Se Yoon Jeong, Kyu Heon Kim, Jin Woo Hong, Gwang Hoon Park, Min Woo Park
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Patent number: 8183612Abstract: Provided are an optical receiver and a method of forming the same. The optical receiver includes a lens, a photo detector, and a hetero-junction bipolar transistor. The lens is attached to a backside of a substrate. The photo detector is disposed on a top surface of the substrate. The hetero-junction bipolar transistor is disposed on the top surface of the substrate. The lens condenses an incident optical signal to transmit the condensed optical signal to the photo detector.Type: GrantFiled: July 7, 2009Date of Patent: May 22, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Young-Jun Chong, Eun-Soo Nam, Jae-Sik Sim, Yong-Hwan Kwon, Bong-Ki Mheen