Patents Assigned to Electronics an Telecommunications Research Institute
  • DDS structure with scalability and adaptability and node constituting the same
    Patent number: 8874686
    Abstract: A node constituting data distribution service (DDS) structure according to an exemplary embodiment of the present invention includes a first DDS application including a first DCPS layer and a first real-time publish-subscribe (RTPS) layer and a second DDS application including a second DCPS layer communicated with the first RTPS layer.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hyung Kook Jun, Soo Hyung Lee, Kyeong Tae Kim, Jae Hyuk Kim, Won Tae Kim, Seung Min Park
  • Multi-user searchable encryption system and method with index validation and tracing
    Patent number: 8873749
    Abstract: A multi-user searchable encryption system includes a key generation center to issue a private secret key to a user and trace information regarding a user who has generated an index, and a user terminal device to generate an index for searching for a database using the private secret key. The multi-user searchable encryption system includes a database (DB) server that verifies the index generated by the user terminal device and searches for corresponding data to the verified index.
    Type: Grant
    Filed: December 5, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Nam-Su Jho, Ku Young Chang, Do Won Hong
  • Phase-change random access memory device and method of manufacturing the same
    Patent number: 8872146
    Abstract: Provided are a Phase-change Random Access Memory (PRAM) device and a method of manufacturing the same. In particular, a PRAM device including a heating layer, wherein the heating layer comprises first and second heating layers having different physical properties from each other and a method of manufacturing the same are provided. Since the PRAM device according to the present invention includes a heating layer having optimal heating characteristics, a PRAM device having high reliability and excellent operating characteristics can be manufactured.
    Type: Grant
    Filed: June 23, 2010
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Seung-Yun Lee, Young Sam Park, Sung Min Yoon, Kyu-Jeong Choi, Nam-Yeal Lee, Byoung-Gon Yu
  • Piezoelectric speaker
    Patent number: 8873776
    Abstract: Disclosed is a piezoelectric speaker including: a piezoelectric layer that converts electrical signals into oscillation and outputs sound; an electrode that is formed on a top or a bottom of the piezoelectric layer to apply the electrical signals to the piezoelectric layer; an acoustic diaphragm that is made of a hetero material including a first acoustic diaphragm and a second acoustic diaphragm and is attached to the bottom of the piezoelectric layer on which the electrode is formed; and a frame attached in a form enclosing a side of the acoustic diaphragm.
    Type: Grant
    Filed: November 4, 2011
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Hye-Jin Kim, Woo Seok Yang, Jong Dae Kim
  • Real-time three-dimensional real environment reconstruction apparatus and method
    Patent number: 8872817
    Abstract: A real-time three-dimensional (3D) real environment reconstruction apparatus and method are provided. The real-time 3D real environment reconstruction apparatus reconstructs a 3D real environment in real-time, or processes data input through RGB-D cameras in real-time using a plurality of GPUs so as to reconstruct a wide ranging 3D real environment.
    Type: Grant
    Filed: July 13, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventor: Young-Hee Kim
  • Communications device and method in a high-capacity wireless communication system
    Patent number: 8873487
    Abstract: The present invention relate to a wireless communication system; and, more particularly, to a communicating apparatus and method in a high rate wireless communication system. A transmitting method of data in accordance with an embodiment of the present invention, as a transmitting method of data in a high rate wireless communication system, includes: allocating one or more bands among two or more multi-bands to each of users; and simultaneously transmitting data through the allocated bands to two or more users by using the multiple antennas for the allocated respective bands.
    Type: Grant
    Filed: August 24, 2010
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yun-Joo Kim, Jong-Ee Oh, Sok-Kyu Lee
  • Electronic paper display device and method of fabricating the same
    Patent number: 8873130
    Abstract: Provided is an electronic paper display device. The electronic paper display device according to an embodiment of the present invention may include a first substrate, partition walls defining cell regions disposed on the first substrate, a first electrode disposed on a bottom surface of the cell regions, microcapsules disposed on the first electrode, a second electrode having one side facing the first electrode, and a second substrate disposed on the other side of the second electrode, in which the electronic paper display device may include first adhesive fixing parts including a plurality of patterns provided between the second electrode and the partition walls.
    Type: Grant
    Filed: February 28, 2013
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Joo Yeon Kim, Kyung Soo Suh
  • Packet transmission/reception method and apparatus in wireless communication system
    Patent number: 8873461
    Abstract: A method for simultaneously transmitting packets having different lengths to two or more users in a wireless communication system includes: generating the packets which are to be transmitted to the respective users; and simultaneously transmitting the generated packets to the respective users. Each of the packets contains information on the position of a symbol to which a tail field of the packet belongs, and the information on the position of the symbol to which the tail field belongs includes at least one of the maximum symbol number of the packet, the symbol number of transmission data of the packet, positional information of a last aggregated MAC protocol data unit (A-MPDU) subframe, and positional information of a null delimiter.
    Type: Grant
    Filed: February 11, 2011
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yun-Joo Kim, Jong-Ee Oh, Sok-Kyu Lee
  • Multimedia multicast/broadcast service providing apparatus and multimedia multicast/broadcast service providing method using the same
    Patent number: 8873452
    Abstract: An MBMS providing apparatus and an MBMS providing method using the same in a cloud radio access network are provided. The MBMS providing apparatus includes a third layer into which a plurality of network layers providing an MBMS are integrated in the plurality of DUs, and a second layer into which a plurality of datalink layers providing the MBMS are integrated in the DUs. Therefore, the present invention integrates the layers that provide the MBMS in the plurality of DUs, and provide the MBMS by MBSFN synchronization area through the integrated layers. Accordingly, by performing the MBMS by MBSFN synchronization area through respective integrated layers, the present invention can prevent the occurrence of an unnecessary load, thus enhancing the performance of a communication network.
    Type: Grant
    Filed: December 14, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jee Hyeon Na, Jung Mo Moon, Dae Ik Kim, Yeon Seung Shin, Woo Goo Park
  • Optical probe using sensor and method for controlling the same
    Patent number: 8873121
    Abstract: Disclosed are an optical probe using a sensor and a method for controlling the same. The optical probe includes: an optical converter to change a light path of light generated from a light source; a vibrator to convert an electrical signal into a mechanical motion; a transmission member to transmit the motion of the vibrator to the optical converter; a position sensor to sense the position of the optical converter; and a controller to adjust the position of the optical converter by controlling the vibrator based on the position sensed by the position sensor.
    Type: Grant
    Filed: May 21, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: In Hee Shin, Hyun Seo Kang, Young Sun Kim, Hyoung Jun Park, Kwon Seob Lim, Jong Jin Lee
  • Transmission scheduling apparatus and method in wireless multi-hop network
    Patent number: 8873573
    Abstract: In a wireless multi-hop network, a transmission scheduling apparatus calculates a transmission demand of every node within the wireless multi-hop network, and allocates a time slot to each node by using the transmission demand of each node.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: October 28, 2014
    Assignees: Electronics and Telecommunications Research Institute, Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Sangwoo Lee, Han Byeog Cho, Hyun Kyun Choi, Hyun Seo Oh, Sunghwan Moon, Minseok Kim, Jong-Moon Chung, Dong-Sun Lim
  • Power amplifier with advanced linearity
    Patent number: 8872583
    Abstract: An amplifier is provided. The amplifier includes an input matching unit suppressing harmonic components of an input signal; a high power amplification unit amplifying a signal suppressed by the input matching unit; and an output matching unit suppressing harmonic components of an output signal amplified by the high power amplification unit.
    Type: Grant
    Filed: February 29, 2012
    Date of Patent: October 28, 2014
    Assignees: Electronics and Telecommunications Research Institute, Soongsil University Foundation of University-Industry Cooperation
    Inventors: Chong Min Lee, Chul Hun Seo
  • Target for generating carbon ions and treatment apparatus using the same
    Patent number: 8872140
    Abstract: Provided are a carbon ion generation target and a treatment apparatus including the same. The treatment apparatus includes a support member, a carbon ion generation target fixed to the support member, and a laser for irradiating laser beam into the carbon ion generation target to generate carbon ions from the carbon ion generation target, thereby projecting the carbon ions onto a tumor portion of a patient. Here, the carbon ion generation target includes a substrate and carbon thin films disposed on the substrate.
    Type: Grant
    Filed: August 23, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Moon Youn Jung, Nam Soo Myung, Hyung Ju Park, Seunghwan Kim
  • Method and apparatus for analyzing gait pattern
    Patent number: 8870795
    Abstract: A method and apparatus for recognizing a gait pattern are provided. The method for recognizing a gate pattern includes: obtaining a walker's foot pressure distribution values through a pressure sensor array disposed at the bottom of a pair of shoes; calculating valid pressure points among the foot pressure distribution values; calculating a center of pressure (COP) movement trace by using the valid pressure points; and recognizing the walker's gait pattern by using the COP movement trace.
    Type: Grant
    Filed: November 14, 2011
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Min Ho Kim, Ho Youl Jung, Soo Jun Park
  • Method of manufacturing organic-light-emitting-diode flat-panel light-source apparatus
    Patent number: 8871563
    Abstract: A method of manufacturing an organic-light-emitting-diode (OLED) flat-panel light-source apparatus. The method includes depositing a metal layer on a substrate and patterning the metal layer to form a plurality of subsidiary electrodes, forming an insulating layer on the substrate including the plurality of subsidiary electrodes and forming a first subsidiary electrode layer by etching the insulating layer until some of the plurality of subsidiary electrodes are exposed, and sequentially forming an anode, an organic emission layer (EML), and a cathode on the substrate on which the first subsidiary electrode layer is formed.
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jun Han Han, Hye Yong Chu, Jeong Ik Lee, Doo Hee Cho, Jong Hee Lee, Joo Won Lee, Jin Wook Shin
  • Apparatus and method for managing variable multicast and broadcast service zones in MBS server
    Patent number: 8875189
    Abstract: An apparatus and method for managing variable MBS zones in an MBS server are provided. The method variably sets an MBS zone based on a characteristic where user movement between MBS zones and content preference are changed depending on time and environment, and thereby enables a safer and faster shift of an MBS zone, thus effectively providing high-quality multimedia service in a mobile environment.
    Type: Grant
    Filed: May 20, 2013
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Yeon-Joon Chung, Young-Il Kim, Young-Soo Park, Sung-Hee Kim, Cheol-Hye Cho
  • Digital front end receiver using DC offset compensation scheme
    Patent number: 8873687
    Abstract: The present invention relates to a digital front end receiver using a DC offset compensation scheme. The digital front end receiver includes a DC offset compensation filter configured to remove DC offset components from signals received from a digital mixer and a Cascaded Integrator-Comb (CIC) decimation filter configured to reduce a sampling rate of the signals received from the DC offset compensation block.
    Type: Grant
    Filed: September 11, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Sang-Kyun Kim, Ik Soo Eo, Hyun Kyu Yu
  • Method and apparatus for amplitude modulation of spread signal
    Patent number: 8873603
    Abstract: Disclosed are a method and an apparatus for amplitude modulation of a spread signal that can increase a data transmission rate and frequency use efficiency by loading information on the amplitude of the spread signal used in digital communications. A method for amplitude modulation of a spread signal according to an exemplary embodiment of the present disclosure includes: receiving a first data signal; generating a spread signal by applying a spreading code to the first data signal; receiving a second data signal; and outputting the spread signal at an amplitude corresponding to a value of the second data signal.
    Type: Grant
    Filed: August 1, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Chang Hee Hyoung, Sung Weon Kang, In Gi Lim, Jung Bum Kim, Kyung Soo Kim, Kyung Hwan Park, Hyung-Il Park, Tae Young Kang, Sung Eun Kim, Tae Wook Kang, Jung Hwan Hwang, Byoung Gun Choi, Youn Tae Kim
  • System and method for fingerprinting for comics
    Patent number: 8873863
    Abstract: The present disclosure relates to a system and a method for finger printing for comics. A system for searching comics according to the present disclosure includes: a fingerprint database storing fingerprints extracted from comics, a comics fingerprint extraction unit extracting fingerprints configured of at least one of box frames, cuts, and speech bubbles included in input comic images, a fingerprint based candidate group search unit searching candidate groups among comics stored in the fingerprint database using the extracted fingerprints, and a similarity measuring unit measuring similarity between the searched candidate groups and the comic images corresponding to the extracted fingerprints.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: October 28, 2014
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Jee Hyun Park, Yong Suk Yoon, Sang Kwang Lee, Jung Hyun Kim, Seung Jae Lee, Sung Min Kim, Yong Seok Seo, Jung Ho Lee, Young Ho Suh, Won Young Yoo
  • METHOD AND APPARATUS FOR DEVICE TO DEVICE DIRECT COMMUNICATION IN CLOUD BASE STATION SYSTEM
    Publication number: 20140314049
    Abstract: Disclosed are a D2D direct communication method and apparatus in a cloud base station system. The present invention includes receiving a measurement result, including information about D2D proximity or interference from other devices, from each of a first device and a second device, determining whether or not to admit D2D direct communication between the first device and the second device based on the measurement results, sending radio resource information to a second base station and receiving radio resource information of the second base station if it is determined that the D2D direct communication is admitted, negotiating radio resources, allocated for the D2D direct communication, with the second base station using the internal primitive, and allocating radio resources to the first device based on the negotiation.
    Type: Application
    Filed: April 1, 2014
    Publication date: October 23, 2014
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Eun Seon CHO, Chan Yong LEE, Hyeon Ju OH, Byung Han RYU, Nam Hoon PARK