Patents by Inventor Mi-Kyung Oh
Mi-Kyung Oh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 9260497Abstract: The present invention relates to a use of mutant haptoglobin having angiogenesis-promoting activity and, more particularly, to a mutant haptoglobin polypeptide, a recombinant vector containing a polynucleotide encoding the polypeptide, or a composition for promoting angiogenesis containing, as an active ingredient, a transformant transformed with the recombinant vector. The mutant haptoglobin according to the present invention includes an amino acid sequence of SEQ ID NO: 1 in which the 143rd amino acid is substituted with an amino acid other than Arg. The mutant haptoglobin according to the present invention has excellent angiogenesis-promoting activity and excellent capillary-like tube formation capability as compared with wild-type haptoglobin, and promotes cell migration, and thus is useful as a therapeutic agent for treating diseases caused by non-angiogenesis.Type: GrantFiled: August 20, 2013Date of Patent: February 16, 2016Assignee: CATHOLIC UNIVERISTY INDUSTRY ACADEMIC COOPERATION FOUNDATIONInventors: In-Sook Kim, Mi-Kyung Oh
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Patent number: 9246725Abstract: A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.Type: GrantFiled: September 6, 2012Date of Patent: January 26, 2016Assignee: Electronics and Telecommunications Research InstituteInventors: Mi Kyung Oh, Young Ae Jeon, Sangjae Lee, Jaehwan Kim, Cheol-ho Shin, Byoung Hak Kim, Seung Sik Lee, Sangsung Choi, Jae Young Kim
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Publication number: 20160017013Abstract: The present invention relates to a use of mutant haptoglobin having angiogenesis-promoting activity and, more particularly, to a mutant haptoglobin polypeptide, a recombinant vector containing a polynucleotide encoding the polypeptide, or a composition for promoting angiogenesis containing, as an active ingredient, a transformant transformed with the recombinant vector. The mutant haptoglobin according to the present invention includes an amino acid sequence of SEQ ID NO: 1 in which the 143rd amino acid is substituted with an amino acid other than Arg. The mutant haptoglobin according to the present invention has excellent angiogenesis-promoting activity and excellent capillary-like tube formation capability as compared with wild-type haptoglobin, and promotes cell migration, and thus is useful as a therapeutic agent for treating diseases caused by non-angiogenesis.Type: ApplicationFiled: August 20, 2013Publication date: January 21, 2016Inventors: In-Sook KIM, Mi-Kyung OH
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Patent number: 9232505Abstract: A method of generating a packet of a physical layer transmitter of a TV white space (TVWS) wireless personal area network (WPAN) system operating a WPAN service in TVWS is provided. A packet that is generated by the method of generating the packet includes a preamble, a start frame delimiter that is positioned after the preamble, a first physical layer header that is positioned after the start frame delimiter, and a physical layer service data unit that is positioned after the first physical layer header. Here, the first physical layer header represents whether the packet is a ranging packet for ranging, and includes a ranging packet identification bit corresponding to a reserved bit of the second physical layer header in a SUN system and a LECIM system, and a parity bit.Type: GrantFiled: July 10, 2013Date of Patent: January 5, 2016Assignee: Electronics and Telecommunications Research InstituteInventors: Mi Kyung Oh, cheol-ho Shin, Young Ae Jeon, Sangsung Choi
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Patent number: 9137626Abstract: A transmitting apparatus of a WPAN communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.Type: GrantFiled: May 23, 2014Date of Patent: September 15, 2015Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Mi Kyung Oh, Byoung Hak Kim, Cheol-ho Shin, Jaehwan Kim, Sangsung Choi
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Publication number: 20150201296Abstract: A transmitting apparatus of a WPAN communication system generates a synchronization header, a physical layer header, and a physical layer service data unit, multiplexes the synchronization header and the physical layer header into a bit stream and then modulates the multiplexed bit stream by a first differential phase modulation scheme, modulates the physical layer service data unit by a second differential phase modulation scheme, and multiplexes and transmits a symbol modulated by the first differential phase modulation scheme and a symbol modulated by the second differential phase modulation scheme into a symbol stream.Type: ApplicationFiled: May 23, 2014Publication date: July 16, 2015Applicant: Electronics and Telecommunications Research InstituteInventors: Mi Kyung OH, Byoung Hak KIM, Cheol-ho SHIN, Jaehwan KIM, Sangsung CHOI
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Patent number: 9001933Abstract: A receiving apparatus receives an FSK signal, converts the FSK signal into a phasor including amplitude and phase, estimates and compensates for a CFO (carrier frequency offset) from the converted phasor, and recovers a data bit from the converted phasor.Type: GrantFiled: July 18, 2013Date of Patent: April 7, 2015Assignee: Electronics and Telecommunications Research InstituteInventors: Mi Kyung Oh, Byoung Hak Kim, Cheol-ho Shin, Jaehwan Kim, Sangsung Choi
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Publication number: 20140301412Abstract: A method and apparatus of detecting a frame boundary by using a preamble are provided. The method includes delaying the preamble by a predetermined length of time, wherein the preamble includes an LTF and a code of the (n+1)th one of 2n sync sequences of the LTF is the inverse of a code of the last one of the sync sequences of STF; calculating a correlation value between the preamble and the delayed preamble; and detecting a frame boundary by comparing the correlation value with a threshold correlation value.Type: ApplicationFiled: April 4, 2014Publication date: October 9, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Byoung Hak KIM, Jaehwan KIM, Mi Kyung OH, Cheol-ho SHIN, Sangsung CHOI
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Publication number: 20140295211Abstract: This invention relates to a method of forming a copper film on a Mo/SUS flexible substrate, which enables the copper film to be uniformly formed on the Mo/SUS flexible substrate in a short period of time by applying current and in which the copper film becomes thicker in proportion to an increase in a concentration of a copper precursor aqueous solution or in a current density.Type: ApplicationFiled: November 26, 2013Publication date: October 2, 2014Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATIONInventors: Chi-Woo Lee, Mi-Kyung Oh, Jeom-Sik Yang, Su-Byeong Chae, Sang-Min Lee
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Patent number: 8774306Abstract: A transmitting apparatus groups a data bit sequence to groups each formed of a predetermined number of bits, modulates predetermined bits of one of groups through a frequency shift keying (FSK) modulation method, non-continuously aligns the FSK modulation signals, and transmits the non-continuous FSK modulation signals.Type: GrantFiled: August 25, 2011Date of Patent: July 8, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Mi Kyung Oh, Cheol-ho Shin, Byoung Hak Kim, Seung Sik Lee, Sangsung Choi
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Patent number: 8682242Abstract: A wake-up signal communication system including a wake-up center, a wake-up signal repeating apparatus, and a wireless terminal is provided. The wake-up center transmits the first wake-up signal. The wake-up signal repeating apparatus generates the second wake-up signal with the first wake-up signal and the code of the wireless terminal, and transmits the second wake-up signal. The wireless terminal determines a wake-up based on the second wake-up signal.Type: GrantFiled: December 8, 2011Date of Patent: March 25, 2014Assignee: Electronics and Telecommunications Research InstituteInventors: Seung Sik Lee, Mi Kyung Oh
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Publication number: 20140023164Abstract: A receiving apparatus receives an FSK signal, converts the FSK signal into a phasor including amplitude and phase, estimates and compensates for a CFO (carrier frequency offset) from the converted phasor, and recovers a data bit from the converted phasor.Type: ApplicationFiled: July 18, 2013Publication date: January 23, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Mi Kyung OH, Byoung Hak KIM, cheol-ho SHIN, Jaehwan KIM, Sangsung CHOI
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Publication number: 20140016653Abstract: A method of generating a packet of a physical layer transmitter of a TV white space (TVWS) wireless personal area network (WPAN) system operating a WPAN service in TVWS is provided. A packet that is generated by the method of generating the packet includes a preamble, a start frame delimiter that is positioned after the preamble, a first physical layer header that is positioned after the start frame delimiter, and a physical layer service data unit that is positioned after the first physical layer header. Here, the first physical layer header represents whether the packet is a ranging packet for ranging, and includes a ranging packet identification bit corresponding to a reserved bit of the second physical layer header in a SUN system and a LECIM system, and a parity bit.Type: ApplicationFiled: July 10, 2013Publication date: January 16, 2014Applicant: Electronics and Telecommunications Research InstituteInventors: Mi Kyung OH, cheol-ho SHIN, Young Ae JEON, Sangsung CHOI
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Publication number: 20130303091Abstract: A high frequency transmitting and receiving apparatus of a wireless communication system low-noise amplifies a signal that is received from a transmitting and receiving antenna through a low noise amplifier in a reception mode, and amplifies a signal be transmitted through a power amplifier in a transmission mode and transmits the signal through the transmitting and receiving antenna, and the high frequency transmitting and receiving apparatus is connected between the transmitting and receiving antenna and the low noise amplifier and turns on a switch in a reception mode and turns off the switch in a transmission mode, thereby separating transmitting and receiving signals.Type: ApplicationFiled: January 15, 2013Publication date: November 14, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Seung Sik LEE, Sangsung CHOI, Jae Young KIM, Young Ae JEON, cheol-ho SHIN, Sangjae LEE, Byoung Hak KIM, Jaehwan KIM, Mi Kyung OH
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Patent number: 8552775Abstract: A digital phase-locked loop apparatus using FSK includes a PFD detecting phase differences between a reference clock and a frequency-divided signal, and a first adder for generating first digital control codes by adding first digital codes, second digital codes, and channel frequency codes including channel information to each other, the first digital codes being converted from time differences between first and second pulses. The apparatus further includes a digital filter correcting errors of the first digital control codes to generate second digital control codes, a DCO for varying an oscillating frequency in accordance with a digital tuning word based on the second digital control codes, and a dual modulus division unit dividing the oscillating frequency into a frequency-divided signal.Type: GrantFiled: August 20, 2012Date of Patent: October 8, 2013Assignees: Electronics and Telecommunications Research Institute, Konkuk University Industrial Cooperation Corp.Inventors: Seung Sik Lee, Sangsung Choi, Young Ae Jeon, Sangjae Lee, Byoung Hak Kim, Mi Kyung Oh, Cheol-ho Shin, Kang-yoon Lee, YoungGun Pu, Joon-Sung Park
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Publication number: 20130070750Abstract: In a local wireless communication system, a reception signal including an STF (short training field) in which a plurality of patterns are repeatedly transmitted is received, the STF including a first number of STF patterns and a second number of STF patterns, the second number of STF patterns having an opposite code to that of the first number of STF patterns. In a first frequency offset estimation and correction process and a second frequency offset estimation and correction process, frequency offset estimation is performed on a plurality of STF patterns to acquire a phase error of each sample constituting the STF patterns, and the frequency of the STF patterns is corrected based on the acquired phase error. Cross correlation is performed on a predetermined number of STF patterns, among a plurality of STF patterns output subsequent to the frequency offset estimation and correction, to detect frame timing.Type: ApplicationFiled: August 31, 2012Publication date: March 21, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Byoung Hak KIM, Jaehwan KIM, Mi Kyung OH, Sangjae LEE, Seung Sik LEE, cheol-ho SHIN, Young Ae JEON, Sangsung CHOI
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Publication number: 20130058360Abstract: A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.Type: ApplicationFiled: September 6, 2012Publication date: March 7, 2013Applicant: Electronics and Telecommunications Research InstituteInventors: Mi Kyung Oh, Young Ae Jeon, Sangjae Lee, Jaehwan Kim, Cheol-ho Shin, Byoung Hak Kim, Seung Sik Lee, Sangsung Choi, Jae Young Kim
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Publication number: 20130043920Abstract: A digital phase-locked loop apparatus using FSK includes a PFD detecting phase differences between a reference clock and a frequency-divided signal, and a first adder for generating first digital control codes by adding first digital codes, second digital codes, and channel frequency codes including channel information to each other, the first digital codes being converted from time differences between first and second pulses. The apparatus further includes a digital filter correcting errors of the first digital control codes to generate second digital control codes, a DCO for varying an oscillating frequency in accordance with a digital tuning word based on the second digital control codes, and a dual modulus division unit dividing the oscillating frequency into a frequency-divided signal.Type: ApplicationFiled: August 20, 2012Publication date: February 21, 2013Applicants: Konkuk University Industrial Cooperation Corp., Electronics and Telecommunications Research InstituteInventors: Seung Sik LEE, Sangsung CHOI, Young Ae JEON, Sangjae LEE, Byoung Hak KIM, Mi Kyung OH, Cheol-ho SHIN, Kang-yoon LEE, YoungGun PU, Joon-Sung PARK
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Patent number: 8358707Abstract: Provided is a communication system for ultra wide band impulse communication, and more particularly, to a communication apparatus and method that can be used in a sensor network or a low-rate wireless personal area network. To be more specific, the present research suggests a transmitter employing multi-coded bi-orthogonal pulse position modulation/demodulation and a method thereof.Type: GrantFiled: March 12, 2005Date of Patent: January 22, 2013Assignee: Electronics and Telecommunications Research InstituteInventors: Hyung-Soo Lee, Cheolhyo Lee, Dong-Jo Park, Sung-Yoon Jung, Mi-Kyung Oh, Dan-Keun Sung, Ki-Ho Kil, Chang-Yong Jung, Jo-Woon Chong, Min-Jeong Kim, Young-Jun Hong, Bang-Chul Jung, Min-Sheo Choi
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Patent number: 8279898Abstract: Provided is a distance and position measuring method. A distance measuring method based on packets transmitted and received between a first node and a second node obtains first timing for transmitting a first packet from the first node, second timing for receiving the first packet in the second node, third timing for transmitting a second packet corresponding to the first packet from the second node, fourth timing for receiving the second packet in the first node, fifth timing for transmitting a third packet from the second node, and sixth timing for receiving the third packet in the first node to estimate a clock frequency offset based on the obtained timings, measures a first distance and a second distance based on the clock frequency offset and some of the timings, and measures a distance between the first node and the second node based on the first distance and the second distance.Type: GrantFiled: August 28, 2009Date of Patent: October 2, 2012Assignee: Electronics and Telecommunications Research InstituteInventors: Mi Kyung Oh, Hong Soon Nam, Jae Young Kim, Joo Ho Park, Hyung Soo Lee