Abstract: The present invention discloses a system and method for providing a safety content service. The system for providing the safety content service includes a first mobile terminal which extracts meta information of new content when the new content is generated, a server which receives the meta information of the new content from the first mobile terminal, analyzes whether the content is harmful based on a file name and a hash value of the content contained in the meta information, and outputs an analysis result, and a second mobile terminal which receives the analysis result from the server. According to the present invention, it is possible to provide a service which can prevent children and teenagers from being exposed to harmful contents through mobile terminals such as smart phones such that the children and teenagers can safely use multimedia content.
Type:
Application
Filed:
October 31, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Byeong Cheol CHOI, Jae Deok LIM, Seung Wan HAN
Abstract: Provided are an automatic translation device and a method thereof. The automatic translation device includes: a character string error correcting unit correcting an error of an input text; a language simplification processing unit substituting the input text with a simplified input text by applying context based constraints and rules corresponding thereto; and an automatic translation unit translating the simplified input text into an output text. As a result, it is possible to ultimately improve automatic translation quality by mitigating inconvenience of an input text writer due to restriction of a vocabulary using list and a text configuring rule.
Type:
Application
Filed:
August 4, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Sung Kwon CHOI, Ki Young LEE, Yoon Hyung ROH, Oh Woog KWON, Young Kil KIM, Chang Hyun KIM, Young Ae SEO, Seong Il YANG, Jinxia HUANG, Yun JIN, Eun Jin PARK, Yingshun WU, Jong Hun SHIN, Sang Kyu PARK
Abstract: Provided is an antenna simply manufactured according to a frequency characteristic. The disk-shaped antenna having a screw tap structure includes a center post having a screw tap, a ground plane, and a disk radiator, so that a distance between a ground plane and a disk radiator can be finely tuned, and manufacturing and assembly error can be reduced to minimize differences in electrical characteristics between devices.
Type:
Application
Filed:
November 2, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: Disclosed herein is a Transmission Control Protocol (TCP) flooding attack prevention method. The TCP flooding attack prevention method includes identifying the type of a packet received at an intermediate stage between a client and a server; determining the direction of the packet; defining a plurality of session states based on the type and the direction of the packet; detecting a TCP flooding attack by tracking the session states for each flow; and responding to the TCP flooding attack based on the type of the TCP flooding attack.
Type:
Application
Filed:
November 2, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: A method for providing social broadcasting services by a broadcasting station is registered. The method for providing social broadcasting services includes receiving from a social network server like function related information triggering transmission of an interest indicator indicating that a user of a user equipment has an interest in broadcasting programs provided by a content provider; and transmitting both of the broadcasting programs and additional data including the like function related information to the user equipment. By the configuration, the exemplary embodiments of the present invention can share the personal's opinion and thoughts and the additional data associated with the corresponding programs through the social circle while the user viewing the broadcasting programs in real time during the movement.
Type:
Application
Filed:
November 4, 2011
Publication date:
May 10, 2012
Applicants:
NET & TV, INC., Electronics and Telecommunications Research Institute
Inventors:
Bong Ho LEE, Gwang Soon LEE, Hyun LEE, Jae Hwui BAE, Kwang Yong KIM, Nam Ho HUR, Soo In LEE, Jae Wook LEE
Abstract: A method for converting source data to a channel-modulated signal having a plurality of pairs of in-phase (I) and quadrature-phase (Q) data in a mobile station, wherein the mobile station uses at least one channel, includes the steps of: a) encoding the source data to generate at least one data part and a control part; b) generating at least one spreading code to be allocated to the channel, wherein each spreading code is selected on the basis of a data rate of the data part and the control part and spreading codes are selected so that two consecutive pairs of the I and Q data are correspondent to two points located on same point or symmetrical with respect to a zero point on a phase domain; and c) spreading the control part and the data part by using the spreading code, to thereby generate the channel-modulated signal.
Type:
Application
Filed:
November 23, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Seung-Chan Bang, Tae-Joong Kim, Jae-Heung Kim, Jung-Im Kim, Jong-Suk Chae, Hyuck-Jae Lee, Jae-Ryong Shim, Narm-Hee Lee
Abstract: A butler matrix and a multi-port amplifier having the same, capable of splitting a single input signal into N-signals or combining N-signals into a single output are provided. The hybrids are provided in a predetermined disposition, the input port and the output port of the hybrids are provided in a predetermined direction and the waveguides are provided in a bended structure such that paths for connecting the hybrids have no crossing portion.
Type:
Application
Filed:
November 3, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: An apparatus for controlling an amplifier in a communication system includes a first shifter, a generating unit, a second shifter, and a switching bias unit. The first shifter is configured to level-shift a switching voltage of an amplifier to a first voltage. The generating unit is configured to invert the first voltage and output a second voltage. The second shifter is configured to level-shift the second voltage to a third voltage. The switching bias unit is configured to receive the third voltage and output a bias voltage for a gate switching operation of the amplifier to the amplifier.
Type:
Application
Filed:
January 13, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: The invention relates to an uplink receiving method for a base station, comprising: a step of transmitting scheduling information for a shared wireless resource to object terminals to which the shared wireless resource is to be allocated, via a downlink control channel using a scheduling identifier; a step of receiving data from at least one terminal from among the object terminals, via the shared wireless resource allocated by the scheduling information; and a step of transmitting data receipt feedback information for at least one terminal which has received data via the shared wireless resource.
Type:
Application
Filed:
July 5, 2010
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: Provided is a resource management system in a communication system including a plurality of systems having no right to use a first frequency band. The resource management system includes: a coexistence manager (CM) configured to manage the plurality of systems for the purpose of coexistence and frequency sharing of the plurality of systems in a frequency band available for the plurality of systems, when the available frequency band is detected in the first frequency band; a coexistence enabler (CE) configured to transmit and receive information of the plurality of systems and information of the CM; and a coexistence discovery and information server (CDIS) configured to support the CM to control the plurality of systems. The CM performs channel classification for the first frequency band based on channel information of the available frequency band, and allocates operating channels to the plurality of systems.
Type:
Application
Filed:
November 10, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: Disclosed are an apparatus, a system, and a method for recovering meta data using fragmentary information. The system for recovering meta data includes: a data server storing recovery information for recovering at least one data file and meta data related to each of the data file; and a meta data server storing the meta data related to the data files and receiving the recovery information from the data server when the meta data are lost to recover the lost meta data. By this configuration, the exemplary embodiment of the present invention stably can the lost meta data of the meta data server by using the recovery the meta data and prevent the phenomenon that the meta data collides with each other on the same directory hierarchical structure.
Type:
Application
Filed:
July 27, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Inventors:
Myung Hoon CHA, Hong Yeon KIM, Young Kyun KIM, Han NAMGOONG
Abstract: A face avatar generating apparatus includes: a face feature information extraction unit for receiving a face photo and extracting face feature information from the face photo and a two-dimensional (2D) avatar generation unit for selecting at least one region from the face photo based on the face feature information, and exaggerating or beautifying the selected region to create a 2D avatar image. The apparatus further includes a 3D avatar generation unit for modifying a standard 3D face model through a comparison with the standard 3D model based on the face feature information and pre-stored standard information to create a 3D avatar image.
Type:
Application
Filed:
November 3, 2011
Publication date:
May 10, 2012
Applicant:
Electronics and Telecommunications Research Institute
Abstract: Provided are a micro-electromechanical systems (MEMS) microphone and a method of manufacturing the same. A manufacturing process is simplified compared to a conventional art using both upper and lower substrate processes. Since defects which may occur during manufacturing are reduced due to the simplified manufacturing process, the manufacturing throughput is improved, and since durability of the MEMS microphone is improved, system stability against the external environment is improved.
Type:
Grant
Filed:
July 24, 2009
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Jae Woo Lee, Kang Ho Park, Jong Dae Kim
Abstract: A dual-band wideband local oscillation signal generator includes an oscillation unit, a division unit, a poly phase filter (PPF), a switch unit, and a single side band (SSB) mixer. The oscillation unit is configured to generate a positive in-phase (IP) signal, a negative in-phase (IN) signal, a negative quadrature-phase (QN) signal, and a positive quadrature-phase (QP) signal. The division unit is configured to divide frequencies of the IP signal and the IN signal and generate an RF signal. The PPF is configured to receive the IP signal and the IN signals inputted to the division unit, and generate an LO IP signal, an LO IN signal, an LO QP signal, and an LO QN signal. The switch unit is configured to receive the generated LO signals and select a high band frequency signal or a low band frequency signal.
Type:
Grant
Filed:
August 20, 2010
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Bong-Hyuk Park, Kwang-Chun Lee, Hyun-Kyu Chung
Abstract: The user-defined inference rule is created using a knowledge base search language that is basically provided in a knowledge base management system. Accordingly, the user-defined inference rule is a knowledge base search statement and is processed using a function of searching a knowledge base as a base function of the knowledge base management system. The user-defined inference rule is applied by including a knowledge base search process and a search result in the knowledge base, when the knowledge base is changed. The user-defined inference rule is managed by a user-defined inference rule manager. The user-defined inference rule manager monitors a change in the knowledge base to determine when the user-defined inference rule is applied, executes the user-defined inference rule to obtain the execution result, and includes the execution result in the knowledge base.
Type:
Grant
Filed:
September 4, 2008
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Abstract: An RFID tag attached to an object and transmitting a signal that corresponds to identification information includes an RFID tag chip that modulates the signal according to the identification information and an RFID tag antenna that transmits the modulated signal. The RFID tag antenna includes a dielectric material, a radiating patch, and a slit. The dielectric material has a polyhedral shape and includes a first surface that contacts the object and a second surface that is parallel with the first surface, the radiating patch is formed on at least a part of the second surface and radiates electromagnetic to waves, and the slit is formed on at least a part of the radiating patch to expose the dielectric material.
Type:
Grant
Filed:
July 21, 2008
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Jeong Seok Kim, Won Kyu Choi, Gil Young Choi, Cheol Sig Pyo, Jong-Suk Chae
Abstract: An apparatus for measuring a range based on a chaotic ultra wideband (UWB) wireless communication technology is disclosed. The Apparatus includes a chaotic signal generating/modulating unit, a transceiving unit, a detecting unit, a transform unit, a comparison unit, and a range measurement unit. The transform unit converts the analog voltage signal from the detecting unit into digital signals based on a first sampling period. The comparison unit compares the analog voltage signal from the detecting unit with a predetermined threshold value and to output a comparison signal. The range measurement unit is configured to calculate a time point corresponding to a leading edge, which is a moment when initial data of a packet payload arrive, by using the digital signals based on the threshold value and by using the comparison signal, and to perform a range measurement calculation based on the time point corresponding to the leading edge.
Type:
Grant
Filed:
May 25, 2006
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Abstract: Provided is a method and apparatus for controlling a bit-rates in which an amount of generated bits is adjusted according to the complexity of each frame, and a bit-rate within a frame can be further effectively adjusted by applying different quantization parameter (QP) values to respective macro blocks. In the apparatus for controlling a bit-rate, a motion compensated temporal filtering (MCTP) operation is performed for each group of pictures (GOP) in an input scalable layer, and thereafter bits are allocated to respective frames in consideration of frame type and frame complexity. Furthermore, a QP is adaptively determined in the unit of a macro block on the basis of the allocated bits.
Type:
Grant
Filed:
November 21, 2006
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Dong-San Jun, Jae Gon Kim, Jin Woo Hong, Jong-Ki Han, Nae-ri Park
Abstract: There is provided an intercell interference mitigation apparatus for use in a terminal having a single reception antenna in a multi-cell downlink of an OFDMA system. The apparatus includes one or more parallel interference cancellers for canceling intercell interference by respreading soft decision values of cells other than a self cell; one or more LLR creation blocks for creating channel LLRs required for the soft decision for each of subcarriers, and producing channel soft outputs; one or more soft deciders for performing a soft decision of a self user symbol of the self cell in which interferences from other users are mitigated, and producing the soft decision values; and one or more channel estimation blocks for performing iterative channel estimation by respreading symbols of the soft decision values produced from the soft deciders.
Type:
Grant
Filed:
June 5, 2009
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Junyoung Nam, Seong Rag Kim, Hyun Kyu Chung
Abstract: An RFID reader controlling device based on a plurality of RFID reader protocols receives control instructions for controlling RFID readers from application devices providing services, and confirms RFID reader protocol types corresponding to control instructions to confirm whether communication channels corresponding to RFID reader protocols are generated. Further, the RFID reader controlling device transmits the control instructions to the RFID readers through the communication channels and transmits the control results of the RFID readers corresponding to the control instructions.
Type:
Grant
Filed:
July 29, 2009
Date of Patent:
May 8, 2012
Assignee:
Electronics and Telecommunications Research Institute
Inventors:
Se Won Oh, Hee-Sook Mo, Jee Sook Eun, Jae-Gak Hwang, Cheol Sig Pyo