Patents by Inventor Won-Kyoung Lee
Won-Kyoung Lee 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).
-
Publication number: 20240094121Abstract: A method of detecting a biomolecule, a computing device performing the method, and a biomolecule detection system therefor are provided. The method includes receiving a terahertz signal that passed deionized water or reference material, receiving a terahertz signal that passed a target including a predetermined biomolecule, extracting a digital modulation characteristic for the received terahertz signal that passed the deionized water and the received terahertz signal that passed the target, and detecting the predetermined biomolecule included in the target by analyzing the extracted digital modulation characteristic, wherein the received terahertz signal that passed the deionized water and the received terahertz signal that passed the target are generated using a digitally modulated optical signal based on a transmission speed determined based on kinematics of the predetermined biomolecule.Type: ApplicationFiled: April 26, 2023Publication date: March 21, 2024Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Won Kyoung LEE, Eon-sang KIM, Sang Rok MOON, Joon Ki LEE, Seung-Hyun CHO
-
Publication number: 20230318890Abstract: A method and apparatus for compensating an in- and quadrature-(IQ) imbalance are disclosed. The method and apparatus for compensating an in- and quadrature-(IQ) imbalance provide a technique for compensating a signal distortion caused by imperfect element features and various noises on a transmission link in terahertz wireless communication and improving transmission performance.Type: ApplicationFiled: February 17, 2023Publication date: October 5, 2023Inventors: Won Kyoung LEE, Sang Rok MOON, Joon Ki LEE, Seung-Hyun CHO
-
Patent number: 11747281Abstract: Disclosed is a spectroscopic apparatus includes a laser irradiation device that receives an orthogonal code including a series of bits each having a first value or a second value, generates a control signal having a pulse that has a width shorter than a width of a bit section in the bit section corresponding to a bit having the first value, generates a pulsed laser beam having a pulse width shorter than the bit section using the pulse as a trigger, and irradiates an incident beam including the generated pulsed laser beam to a sample, and a detector that receives a detection signal generated from the sample and the orthogonal code, generates an orthogonal code signal of the same waveform as that of the incident beam, based on the orthogonal code, and demodulates a Raman signal, based on a correlation between the generated orthogonal code signal and the Raman signal.Type: GrantFiled: July 14, 2020Date of Patent: September 5, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Won Kyoung Lee, Hong-Seok Seo
-
Patent number: 11609474Abstract: Disclosed are a terahertz signal generation apparatus and a terahertz signal generation method using the same. The terahertz signal generation apparatus includes first and second resonators configured to respectively output an optical signal of a first resonant frequency and an optical signal of a second resonant frequency from an optical signal input through a gain medium, an optical modulator configured to optically modulate the output optical signal of the second resonant frequency, an optical combiner configured to combine the CW optical signal of the first resonant frequency and the modulated optical signal of the second resonant frequency, and a signal generator configured to generate a terahertz signal using heterodyne beating between the CW optical signal of the first resonant frequency and the modulated optical signal of the second resonant frequency, wherein the first resonant frequency and the second resonant frequency are processed to have a predetermined frequency difference.Type: GrantFiled: October 7, 2021Date of Patent: March 21, 2023Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Won Kyoung Lee, Heuk Park, Seung-Hyun Cho
-
Patent number: 11515902Abstract: Disclosed is a method and apparatus for phase error compensation having tolerance to a cyclic slip. The method includes determining first phase error candidates based on symbol phases of a first block of a received signal, determining an initial estimation error according to the first phase error candidates, determining second phase error candidates based on symbol phases of a second block of the received signal, determining a final estimation error according to the initial estimation error and the second phase error candidates, and compensating for a phase of the received signal according to the final estimation error.Type: GrantFiled: October 29, 2021Date of Patent: November 29, 2022Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Sang Rok Moon, Minkyu Sung, Eon-sang Kim, Won Kyoung Lee, Seung-Hyun Cho
-
Publication number: 20220247439Abstract: Disclosed is a method and apparatus for phase error compensation having tolerance to a cyclic slip. The method includes determining first phase error candidates based on symbol phases of a first block of a received signal, determining an initial estimation error according to the first phase error candidates, determining second phase error candidates based on symbol phases of a second block of the received signal, determining a final estimation error according to the initial estimation error and the second phase error candidates, and compensating for a phase of the received signal according to the final estimation error.Type: ApplicationFiled: October 29, 2021Publication date: August 4, 2022Inventors: Sang Rok MOON, Minkyu SUNG, Eon-sang KIM, Won Kyoung LEE, Seung-Hyun CHO
-
Publication number: 20220163452Abstract: Disclosed is a spectroscopic apparatus includes a laser irradiation device that receives an orthogonal code including a series of bits each having a first value or a second value, generates a control signal having a pulse that has a width shorter than a width of a bit section in the bit section corresponding to a bit having the first value, generates a pulsed laser beam having a pulse width shorter than the bit section using the pulse as a trigger, and irradiates an incident beam including the generated pulsed laser beam to a sample, and a detector that receives a detection signal generated from the sample and the orthogonal code, generates an orthogonal code signal of the same waveform as that of the incident beam, based on the orthogonal code, and demodulates a Raman signal, based on a correlation between the generated orthogonal code signal and the Raman signal.Type: ApplicationFiled: July 14, 2020Publication date: May 26, 2022Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Won Kyoung LEE, Hong-Seok SEO
-
Publication number: 20220113606Abstract: Disclosed are a terahertz signal generation apparatus and a terahertz signal generation method using the same. The terahertz signal generation apparatus includes first and second resonators configured to respectively output an optical signal of a first resonant frequency and an optical signal of a second resonant frequency from an optical signal input through a gain medium, an optical modulator configured to optically modulate the output optical signal of the second resonant frequency, an optical combiner configured to combine the CW optical signal of the first resonant frequency and the modulated optical signal of the second resonant frequency, and a signal generator configured to generate a terahertz signal using heterodyne beating between the CW optical signal of the first resonant frequency and the modulated optical signal of the second resonant frequency, wherein the first resonant frequency and the second resonant frequency are processed to have a predetermined frequency difference.Type: ApplicationFiled: October 7, 2021Publication date: April 14, 2022Inventors: Won Kyoung LEE, Heuk PARK, Seung-Hyun CHO
-
Publication number: 20220064702Abstract: An apparatus for a polymerase chain reaction (PCR) diagnosis includes a transmitter that includes a multi-wavelength light source outputting a first light source signal and a second light source signal, which have different wavelengths, and that applies the first light source signal and the second light source signal to a DNA sample, a code generator that generates a first code signal and a second code signal corresponding to the first light source signal and the second light source signal, respectively, a delay controller that generates a first delay signal and a second delay signal corresponding to the first code signal and the second code signal, respectively, and a receiver that compares the first and second fluorescent signals emitted from the DNA sample with the first and second delay signals, and accumulatively integrates the first fluorescent signal or the second fluorescent signal based on the comparison result.Type: ApplicationFiled: July 7, 2021Publication date: March 3, 2022Inventors: Hong-Seok SEO, Won Kyoung LEE, Jeong Won PARK, Chul HUH
-
Patent number: 11193828Abstract: A spectroscopic apparatus includes a splitter that receives a first detected signal output from a sample to which an incident beam is irradiated, and outputs a reflected signal and a second detected signal by splitting the first detected signal, and a signal processor that receives the reflected signal and the second detected signal, and extracts a Raman signal from the second detected signal in response to the received reflected signal.Type: GrantFiled: September 8, 2020Date of Patent: December 7, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Won Kyoung Lee, Hong-Seok Seo
-
Patent number: 11119045Abstract: An apparatus for analyzing microbiome according to an embodiment of the inventive concept includes a light source unit configured to excite first light, a sample unit on which a sample to which the first light is incident is disposed, and a data analysis unit configured to receive second light emitted from the sample unit and analyze microbiome in the sample from the second light. Here, the sample unit includes a conductive polymer structure that surrounds the sample.Type: GrantFiled: November 13, 2019Date of Patent: September 14, 2021Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Won Kyoung Lee, Bong Kyu Kim, Soo Jun Park, Chul Huh
-
Publication number: 20210123807Abstract: A spectroscopic apparatus includes a splitter that receives a first detected signal output from a sample to which an incident beam is irradiated, and outputs a reflected signal and a second detected signal by splitting the first detected signal, and a signal processor that receives the reflected signal and the second detected signal, and extracts a Raman signal from the second detected signal in response to the received reflected signal.Type: ApplicationFiled: September 8, 2020Publication date: April 29, 2021Inventors: Won Kyoung LEE, Hong-Seok SEO
-
Publication number: 20210048434Abstract: A method of detecting a bio-material is provided. According to exemplary embodiments of the inventive concept, the method of detecting a bio-material includes fixing a capture antibody to a surface of a fixing structure; providing a sensing antibody composite on the capture antibody; providing an analysis target sample including a bio-material between the capture antibody and the sensing antibody composite to form a composite layer; and providing a seed growing agent on the composite layer, wherein the sensing antibody composite includes an antigen binding part and a chain part, a gold nanoparticle is bonded to one terminal of the chain part, the composite layer includes the capture antibody, the bio-material bonded to the capture antibody, and the sensing antibody composite bonded to the bio-material, and the providing of the seed growing agent includes growing of a size of the gold nanoparticle.Type: ApplicationFiled: August 13, 2020Publication date: February 18, 2021Inventors: Eun-ju JEONG, Bong Kyu KIM, Won Kyoung LEE, CHUL HUH
-
Publication number: 20200331017Abstract: Disclosed is an automatic spray. The automatic spray includes a main body containing a mixed liquid, a pump unit contained in a space formed at a lower portion of the main body to provide power for discharging the mixed liquid, a battery module contained in the space to supply electric power to the pump unit, and a control unit contained in the space to control the supply of the electric power of the battery module to the pump unit, wherein the control unit includes a pair of male and female connectors as a connection part for receiving a current from the battery module or outputting a control current for controlling a speed of the pump unit, and each of the pump unit and the battery module includes one of male and female connectors connectable to the male and female connectors of the control unit.Type: ApplicationFiled: February 28, 2020Publication date: October 22, 2020Applicant: Farm Solution Co., Ltd.Inventor: WON KYOUNG LEE
-
Patent number: 10739196Abstract: Provided is a spectroscopic apparatus including an encoder configured to output an orthogonal code, a light source configured to receive the orthogonal code and provide to a sample an optical signal encoded as a pattern corresponding to the orthogonal code, a detector configured to detect a output signal emitted from the sample, and a decoder configured to share the orthogonal code with the encoder and extract a valid signal corresponding to the sample based on a correlation between the orthogonal code and the output signal.Type: GrantFiled: March 14, 2019Date of Patent: August 11, 2020Assignees: Electronics and Telecommunications Research Institute, Korea Advanced Institute of Science and TechnologyInventors: Won Kyoung Lee, Ki-Hun Jeong
-
Publication number: 20200173928Abstract: An apparatus for analyzing microbiome according to an embodiment of the inventive concept includes a light source unit configured to excite first light, a sample unit on which a sample to which the first light is incident is disposed, and a data analysis unit configured to receive second light emitted from the sample unit and analyze microbiome in the sample from the second light. Here, the sample unit includes a conductive polymer structure that surrounds the sample.Type: ApplicationFiled: November 13, 2019Publication date: June 4, 2020Inventors: Won Kyoung LEE, Bong Kyu KIM, Soo Jun PARK, Chul HUH
-
Patent number: 10552022Abstract: Provided is a display control method including: obtaining a first input of a user regarding a first region displayed on a display unit; activating an input reference object in the first region based on the first input; displaying an interface for manipulating the input reference object in a second region on the display unit based on the first input; obtaining a second input of the user regarding the interface; and changing a location of the input reference object in the first region based on the second input.Type: GrantFiled: October 11, 2016Date of Patent: February 4, 2020Assignee: Naver CorporationInventors: Hyo Gun Lee, Jong Ju Lee, Won Kyoung Lee, Hee Min Lee, Jong Hyun Lee, Dong Kil Shin, Hyo Seok Kim, Hyun Ho Jin, Su Jean Kim, Su Ah Min, Sung Hee Lee
-
Publication number: 20200011734Abstract: Provided is a spectroscopic apparatus including an encoder configured to output an orthogonal code, a light source configured to receive the orthogonal code and provide to a sample an optical signal encoded as a pattern corresponding to the orthogonal code, a detector configured to detect a output signal emitted from the sample, and a decoder configured to share the orthogonal code with the encoder and extract a valid signal corresponding to the sample based on a correlation between the orthogonal code and the output signal.Type: ApplicationFiled: March 14, 2019Publication date: January 9, 2020Applicants: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGYInventors: Won Kyoung LEE, Ki-Hun JEONG
-
Publication number: 20190353592Abstract: Disclosed herein are a sensor and a system for measuring an analyte using surface plasmon resonance. The sensor may include: an optical fiber including a core layer, and a plasmon resonance layer which is formed to surround an outer surface of the core layer and on which the analyte is disposed; an acoustic wave perturbation generator connected to one side of the optical fiber, and generating acoustic wave perturbation to a mode which enters into the core layer to allow the mode to exit the plasmon resonance layer; and a detector for detecting the mode passing through the inside of the core layer.Type: ApplicationFiled: December 11, 2018Publication date: November 21, 2019Inventors: Won Kyoung LEE, Bong Kyu KIM, Hong-Seok SEO
-
Publication number: 20190285625Abstract: A biosensor includes a solution chamber containing primary antibodies, secondary antibodies, and measuring substances, an injection fluid transfer unit for connection the solution chamber to an injection port, and a discharging transfer unit for connecting the solution chamber to a discharging port.Type: ApplicationFiled: March 12, 2019Publication date: September 19, 2019Inventors: Bong Kyu KIM, Chang-Geun AHN, Kwang Hyo CHUNG, Eun-Ju JEONG, Chul HUH, Seunghwan KIM, Jin Tae KIM, Won Kyoung LEE