Patents Assigned to Electronics and Telecommunications
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Patent number: 8058658Abstract: Provided is a high-speed optical interconnection device. The high-speed optical interconnection device includes a first semiconductor chip, light emitters, optical detectors, and a second semiconductor chip, which are disposed on a silicon-on-insulator (SOI) substrate. The light emitters receive electrical signals from the first semiconductor chip to output optical signals. The optical detectors detect the optical signals to convert the optical signals into electrical signals. The second semiconductor chip receives the electrical signals converted by the optical detectors.Type: GrantFiled: April 9, 2009Date of Patent: November 15, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Sang-Heung Lee, Hae Cheon Kim, Dong Min Kang, Dong-Young Kim, Jae Kyoung Mun, Hokyun Ahn, Jong-Won Lim, Woo Jin Chang, Hong Gu Ji, Eun Soo Nam
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Publication number: 20110272279Abstract: In a process for manufacturing a hyperfine semiconductor device, an apparatus for manufacturing a semiconductor device such as a schottky barrier MOSFET and a method for manufacturing the semiconductor device using the same are provided. Two chambers are connected with each other. A cleaning process, a metal layer forming process, and subsequent processes can be performed in situ by using the two chambers, thereby the attachment of the unnecessary impurities and the formation of the oxide can be prevented and the optimization of the process can be accomplished.Type: ApplicationFiled: July 15, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Woo-Seok CHEONG, Seong-Jae LEE, Won-Ju Jo, Moon-Gyu JANG
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Publication number: 20110276659Abstract: Disclosed herein are a system and a method for providing multimedia service capable of rapidly providing various types of large-capacity multimedia contents and various sensory effects of the multimedia contents to users in real time, which receive sensory effect information representing sensory effects of multimedia contents corresponding to the multimedia services and encode the sensory effect information into command information of binary representation, depending on service requests of multimedia services that users want to receive and transmit command information of the binary representation to the user devices, respectively, so as to provide the sensory effects to the users through the device command of the user devices depending on the command information of the binary representation.Type: ApplicationFiled: April 5, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Bum-Suk CHOI, Eun-Seo LEE
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Publication number: 20110274065Abstract: Provided is a method for transmitting data frames to multiple STAs in a wireless communication system which divides a frequency band into frequency band segments to allocate. The method includes: setting a group by grouping a plurality of STAs; determining whether or not to separately allocate the frequency band segments to the STAs within the group; constructing a control frame containing a segment field, based on the determination result; and transmitting the constructed control frame through a common signal, and transmitting data frames.Type: ApplicationFiled: May 10, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Jong-Ee Oh, Sok-Kyu Lee
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Publication number: 20110275328Abstract: Provided is a machine type communication system including a machine type communication device operating with a battery. The machine type communication system may monitor a residual power of the battery supplying power to the machine type communication device, and may output the monitored residual power to a device of a manager that manages the machine type communication device. Also, a point in time when the residual power of the battery is to be monitored may be determined based on the residual power.Type: ApplicationFiled: May 4, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Hyeyeon KWON, Kyung Yul CHEON, Mi Jeong YANG, Aesoon PARK
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Publication number: 20110272610Abstract: Provided are a micro-valve structure and a lab-on-a-chip module that include a polymer actuator. The micro-valve structure may include a flexible structure disposed on a substrate, and the polymer actuator inserted into the flexible structure. At this time, the flexible structure has a valve portion defining a microchannel and the polymer actuator is separated from the microchannel by the flexible structure. In addition, the polymer actuator is formed to change a width of the microchannel by controlling a displacement of the valve portion.Type: ApplicationFiled: May 4, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Kwang Suk YANG, Ji Sun YUN, Nakjin CHOI, Hyung-Kun LEE
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Publication number: 20110272271Abstract: Provided is a microfluidic injection device and a method for injecting microfluidic. The microfluidic injection device includes a fluid injection chamber, a gas generation chamber applying pressure to the fluid injection chamber, and a channel connecting the fluid injection chamber to the gas generation chamber.Type: ApplicationFiled: May 4, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Jongcheol HONG, Wan Joong Kim, Chul Huh, Bong Kyu Kim, Chil Seong Ah, Gun Yong Sung
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Publication number: 20110276738Abstract: Provided is a general-purpose interface port that may interface with a sensor board including multiple types of sensor device drivers and download a sensor device driver from the sensor board, and a sensor node that may recognize a type of sensor included in the sensor board using the downloaded sensor device driver, the sensor node including a micro control unit that may process sensing data received from the sensor board, thereby providing a plug and play function between a micro control unit of a sensor node and a sensing unit including a sensor board in a Ubiquitous Sensor Network (USN) or a Wireless Sensor Network (WSN).Type: ApplicationFiled: April 29, 2011Publication date: November 10, 2011Applicant: Electronics and Telecommunications Research InstituteInventors: Se Han KIM, Kyo Hoon SON, Nae Soo KIM, Cheol Sig PYO, Ho Yong KANG, Hoon JEONG, Seong Bae EUN
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Patent number: 8054161Abstract: A method and apparatus for suppressing a transmit leakage signal of a radio frequency identification (RFID) reader is provided. The apparatus includes: a first power distributor distributing a transmission signal to output a first transmission signal and a second transmission signal; a second power distributor distributing the second transmission signal to output a third transmission signal and a fourth transmission signal; a first amplitude/phase converter converting an amplitude and a phase of the first transmission signal to generate a first converted signal; a second amplitude/phase converter converting an amplitude and a phase of the third transmission signal to generate a second converted signal; a first power combiner combining the first converted signal with a first leakage signal generated in association with the fourth transmission signal; and a second power combiner combining the second converted signal with a second leakage signal generated in association with the fourth transmission signal.Type: GrantFiled: December 4, 2008Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Donghan Lee, Ji-Hoon Bae, Cheng-Hao Quan, Kwang-Soo Cho, Gil Young Choi, Jong-Suk Chae, Sang-Gi Kang
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Patent number: 8055823Abstract: Provided are a method and an apparatus for compression transmission of bus data including a plurality of bytes including upper bits and lower bits. The apparatus includes a comparator and an aligner. The comparator compares upper bits of a previous byte with upper bits of a current byte among the plurality of bytes. If the upper bits of the previous byte are identical to the upper bits of the current byte, the aligner compresses the bus data in a combination of a full-byte and a half-byte, by allowing the previous byte to be constituted with the full-byte having bits corresponding to the number of bits of the previous byte and allowing the current byte to be constituted with the half-byte excluding the upper bits of the current byte. Then, the aligner arrays the compressed bus data in a preset bus bandwidth to transmit to a slave device.Type: GrantFiled: August 14, 2009Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Jae Sung Lee, Seong Woon Kim
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Patent number: 8055763Abstract: Provided are a system and method for processing sensing data from a sensor network. The system includes: a data processing condition managing unit for storing sensing data processing conditions; a data processing function managing unit for storing sensing data processing function information; a processed data managing unit for storing processed sensing data; a data pattern managing unit for storing sensing data pattern information; an acquired data managing unit for storing sensing data; a data acquisition condition managing unit for storing sensing data acquisition conditions; a user requirement acquiring unit for acquiring the sensing data acquisition conditions; a data acquiring unit for acquiring sensing data; a data pattern extracting unit for extracting the pattern of sensing data; a data generating unit for processing the sensing data; and a data processing unit for processing the sensing data.Type: GrantFiled: October 15, 2007Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Jae-Jun Yoo, Do-Hyun Kim, Mi-Jeong Kim, Byung-Tae Jang, Jong-Hyun Park, Jeong-Dan Choi, Myung-Hee Son, Jung-Sook Kim, Kyung-Bok Sung, Jae-Han Lim
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Patent number: 8054172Abstract: 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 least one alarm digital alarm signal, an alarm signal address setting unit where the address of the alarm signal gathering unit is setup; and an alarm signal collection controller which outputs the at least one digital alarm signal through serial bus. Therefore, address is allocated to a plurality of digital signals and thus the number of necessary components decreases and the embodiment area decreases, as well.Type: GrantFiled: December 12, 2008Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Eui Suk Jung, Tae Yeon Kim, Kang Bok Lee, Jea Hoon Yu, Byoung Whi Kim
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Patent number: 8053730Abstract: An infrared sensor and a method of fabricating the same are provided. The sensor includes a substrate including a reflection layer and a plurality of pad electrodes, an interdigitated sensing electrode connected to the pad electrode and formed to be spaced apart from the reflection layer by a predetermined distance and a sensing layer formed on the sensing electrode and having an opening exposing a portion in which an interdigitated region of the sensing electrode connected to one pad region is separated from the sensing electrode connected to the other pad electrode. Therefore, the sensor has an electrode in a very simple constitution, and a sensing layer divided into rectangular blocks, so that current that non-uniformly flows into the electrode can be removed. Accordingly, the sensor in which current of the sensing layer can be uniformly flown, and noise is lowered can be implemented.Type: GrantFiled: July 29, 2009Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Seong Mok Cho, Ho Jun Ryu, Woo Seok Yang, Sang Hoon Cheon, Byoung Gon Yu, Chang Auk Choi
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Patent number: 8055986Abstract: 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 expanded encoding bit sequence, and generates decoded data. In addition, the decoder selects a central bit sequence of the decoded data, rearranges the central bit sequence, and generates final decoded data. Accordingly, the decoder has a simplified configuration for decoding the bit sequence encoded in the tail biting convolutional encoding method, and the decoder also decodes a bit sequence encoded in a zero-tail convolutional encoding method.Type: GrantFiled: December 5, 2005Date of Patent: November 8, 2011Assignees: Samsung Electronics Co., Ltd, Electronics and Telecommunications Research Institute, KT Corporation, SK Telecom Co., Ltd, Hanaro Telecom., IncInventors: Su-Chang Chae, Youn-Ok Park
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Patent number: 8053201Abstract: Provided is a microfluidic control chip, which includes a filter section having a filter to which anti-immunoglobulin antibodies, which are bound to endogenous antibodies in blood to thereby remove the endogenous antibodies, are immobilized, a first reaction section to which detection antibodies immobilized to fluorescent nano-particles are adsorbed, the detection antibodies being bound to proteins to be detected in blood which is introduced from the filter section with the endogenous antibodies removed therefrom, and a second reaction and detection section including capture antibodies immobilized thereto, binding the capture antibodies to the proteins, which are bound to the detection antibodies introduced from the first reaction section, and detecting a concentration of the proteins based on an intensity of fluorescent light. Thus, the microfluidic control chip can minimize interference of an immune response to maximize the immune response.Type: GrantFiled: August 23, 2010Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventor: Min Suk Jeong
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Patent number: 8055277Abstract: Provided is a method in which a tracker configures a notification condition on the basis of an authorization policy predetermined by a trackee so that a location information server provides a customized location tracking service according to the notification condition. The method includes: (a) registering an authorization policy of a trackee in order to determine whether a location tracking service requested by a tracker will be accepted; (b) configuring a customized location information notification condition by a tracker; (c) requesting the customized location tracking service by the tracker; and (d) providing the customized location tracking service by a location information server on the basis of the configured authorization policy and the customized location information notification condition.Type: GrantFiled: October 26, 2007Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Sun-Ok Park, Mi Young Huh, Shin Gak Kang, Jae Cheon Han
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Patent number: 8055133Abstract: A time division multiplex (TDM)/wavelength division multiple access (WDMA) passive optical network (PON) device includes a base station terminal, a wavelength splitter, and a subscriber terminal optical transceiver. The base station terminal includes a transmitter, an optical circulator transmitting the optical signals output from the transmitter to an optical distribution network, and a receiver demultiplexing wavelength division multiplexed upstream signals from the optical distribution network through the optical circulator. The wavelength splitter splits the downstream signals from the base station terminal to subscriber ports corresponding to wavelengths and multiplexes the optical signals received from each of the subscriber ports to the base station terminal. The subscriber terminal optical transceiver receives the downstream signals from the wavelength splitter and reuses the received downstream signals as optical sources for upstream signals.Type: GrantFiled: June 25, 2008Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Dong Soo Lee, Bin Yeong Yoon, Bong Tae Kim
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Patent number: 8054249Abstract: Provided is a field emission display (FED) capable of driving on the basis of current and preventing leakage current caused by thin film transistors (TFTs). The FED includes: a plurality of unit pixels including an emission element in which cathode luminescence of a phosphor occurs and a TFT for driving the emission element; a current source for applying a scan signal to each unit pixel; and a voltage source for applying a data signal to each unit pixel. Here, the on-current of the current source is high enough to take care of the load resistance and capacitance of a scan row within a given writing time, and the off-current of the current source is so low that the electron emission of each pixel can be ignored. In addition, the pulse amplitude or pulse width of the data signal applied from the voltage source is changed, and thereby the gray scale of the display is represented.Type: GrantFiled: November 27, 2006Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Yoon Ho Song, Dae Jun Kim, Jin Woo Jeong, Jin Ho Lee, Kwang Yong Kang
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Patent number: 8053345Abstract: 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, and resist layers having first and second openings with asymmetrical depths are formed on the dielectric interlayer between the source electrode and the drain electrode. The first opening exposes the dielectric interlayer, and the second opening exposes the lowermost of the resist layers. The dielectric interlayer in the bottom of the first opening and the lowermost resist layer under the second opening are simultaneously removed to expose the capping layer to the first opening and expose the dielectric interlayer to the second opening. The capping layer of the first opening is removed to expose the active layer.Type: GrantFiled: May 4, 2010Date of Patent: November 8, 2011Assignee: Electronics and Telecommunications Research InstituteInventors: Hokyun Ahn, Jong-Won Lim, Hyung Sup Yoon, Woojin Chang, Hae Cheon Kim, Eun Soo Nam
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Patent number: 8054909Abstract: The present invention relates to a method of detecting a candidate vector and a method of detecting a transmission symbol using the same. According to an embodiment of the present invention, in a multiple input multiple output (MIMO) system using spatial multiplexing (SM), a receiver selects candidate vectors corresponding to a layer located at a last row among a plurality of rearranged layers, and sequentially ranks constellation dots of a next layer for each of the selected candidate vectors. Then, a plurality of arbitrary constellation dots are selected from the ranked constellation dots, accumulated costs of the arbitrary constellation dots are calculated, and a candidate vector is selected in correspondence with a constellation dot having a minimal accumulated cost.Type: GrantFiled: June 18, 2008Date of Patent: November 8, 2011Assignees: Samsung Electronics Co., Ltd, Electronics and Telecommunications Research InstituteInventors: Seung Jae Bahng, Jae Kwon Kim, Hoon Heo, Hyun Myung Wu, Youn-Ok Park, Young Jo Bang, Hyeong Sook Park, Hoon Lee, Young Ha Lee, Jung Pil Choi