Patents by Inventor Hong Seok Seo
Hong Seok Seo 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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Publication number: 20240150985Abstract: Proposed is a detachable mooring system for an offshore structure, including a first tension adjuster connected to an offshore structure, and blocking a pulling chain from proceeding from an outlet of a body toward an inlet, a second tension adjuster connected to one end of the pulling chain and blocking the pulling chain from proceeding from an outlet of a body toward an inlet, a mooring chain having a first longitudinal end connected to one surface of the second tension adjuster body and having a second longitudinal end connected to an anchor on the seabed, a first lead rope having one longitudinal end connected to one end of the pulling chain discharged out through the first tension adjuster outlet, and a second lead rope having one longitudinal end connected to the second tension adjuster body.Type: ApplicationFiled: January 3, 2024Publication date: May 9, 2024Applicants: KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY, KOMS INC., DHMC CO., LTD.Inventors: Kang Su LEE, Hong Gun SUNG, Byoung Jae PARK, Jang Jin KIM, Hyun Kook KIM, Chang Hwan SEO, Kyung Seok LEE, Yoon Yong PARK
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Publication number: 20240120475Abstract: The present disclosure relates to a cathode active material for an all-solid-state battery with a controlled particle size and a method for preparing the same. In particular, the cathode active material includes lithium and a transition metal, wherein the cathode active material has a single peak in the range of 1 ?m to 10 ?m as a result of particle size distribution (PSD) analysis.Type: ApplicationFiled: May 4, 2023Publication date: April 11, 2024Inventors: Sung Woo NOH, Hong Seok MIN, Sang Heon LEE, Jeong Hyun SEO, Im Sul SEO, Chung Bum LIM, Ju Yeong SEONG, Je Sik PARK
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Publication number: 20240085763Abstract: A camera module includes a carrier supported on a housing and movable in an optical axis direction, at least one frame supported on the carrier and movable, relative to the carrier, in at least one direction perpendicular to the optical axis direction, and a lens module supported on the frame. The frame is supported on the carrier such that attractive force acts in the at least one direction perpendicular to the optical axis direction.Type: ApplicationFiled: November 22, 2023Publication date: March 14, 2024Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Bo Sung SEO, Hong Joo LEE, Young Bok YOON, Jung Seok LEE
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Patent number: 11921273Abstract: Provided are a pulse compressor and a two-photon excited fluorescence microscope. The microscope includes a light source which generates a laser beam having a pulse, a pulse compressor which compresses the pulse of the laser beam, an objective lens which provides the laser beam to a specimen, and image sensors which receive the laser beam and obtain images of the specimen. The pulse compressor may include a grating plate, a corner cube provided on one side of the grating plate, and a retroreflector provided on the other side of the grating plate.Type: GrantFiled: August 30, 2021Date of Patent: March 5, 2024Assignee: Electronics and Telecommunications Research InstituteInventors: Sang Kyun Lee, Dong Hoon Song, Hong-Seok Seo, Chul Huh
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Publication number: 20240060896Abstract: An apparatus for polymerase chain reaction (PCR) diagnosis for normalizing light source power and fluorescence power and an operating method thereof are disclosed.Type: ApplicationFiled: August 7, 2023Publication date: February 22, 2024Applicant: Electronics and Telecommunications Research InstituteInventors: Hong-Seok SEO, Dong Hoon SONG, Jeong Won PARK, Chul Huh
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Publication number: 20230408410Abstract: Disclosed is a PCR diagnosis apparatus. This apparatus includes a PCR chip configured to store a PCR sample, a light source part configured to generate laser light to be provided to the PCR sample, an optical modulator provided between the light source part and the PCR chip and configured to selectively provide the laser light to the PCR sample according to a code, a sensor configured to detect fluorescent light generated in the PCR sample by the laser light, and a code generator connected between the optical modulator and the sensor and configured to transmit an orthogonal code to the optical modulator and the sensor.Type: ApplicationFiled: February 28, 2023Publication date: December 21, 2023Applicant: Electronics and Telecommunications Research InstituteInventors: Hong-Seok SEO, Dong Hoon SONG, Jeong Won PARK, CHUL HUH
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Publication number: 20230384226Abstract: Disclosed is a two-photon microscope. This microscope includes a first laser light source configured to generate first laser light, a second laser light source configured to generate second laser light having a longer wavelength than a wavelength of the first laser light, an objective lens configured to provide the first laser light and the second laser light to a sample, a sensor configured to detect first fluorescent light and second fluorescent light generated in the sample due to the first laser light and the second laser light, and first and second code controllers provided between the first and second laser light sources and the objective lens and configured to switch the first laser light and the second laser light respectively.Type: ApplicationFiled: December 27, 2022Publication date: November 30, 2023Inventors: Hong-Seok SEO, Dong Hoon SONG, CHUL HUH
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Publication number: 20230291168Abstract: A femtosecond pulse laser apparatus includes a pump light source configured to provide a pump light, a gain medium configured to obtain a gain of a laser light using the pump light, a first curved mirror and a second curved mirror, which are provided at both sides of the gain medium, an output mirror configured to transmit a portion of the laser light and reflect the other portion of the laser light to the gain medium, a mode locking portion configured to generate a femtosecond pulse of the laser light, and an acoustic wave generator configured to provide an acoustic wave into the gain medium so as to adjust self-phase modulation of the laser light.Type: ApplicationFiled: May 17, 2023Publication date: September 14, 2023Inventors: Dong Hoon SONG, Hong-Seok SEO, CHUL HUH
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Publication number: 20230291164Abstract: An autocorrelator and a pulse amplifying device including the same are provided. The autocorrelator includes a parabolic mirror configured to transmit and reflect pulse laser beam, a prism on one side of the parabolic mirror and configured to split the pulse laser beam, a first lower retro-reflector under the prism and provided at a first distance from the prism to reflect a portion of the pulse laser beam, a first upper retro-reflector on the prism, provided at a second distance different from the first distance from the prism, and configured to reflect another portion of the pulse laser beam to generate a first time difference between pulses of the pulse laser beam upper retro-reflector, and a first sensor under the parabolic mirror and configured to receive the pulse laser beam to detect a pulse width of the pulse laser beam.Type: ApplicationFiled: November 1, 2022Publication date: September 14, 2023Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Hoon SONG, Hong-Seok SEO, Soo Jun PARK, Chul HUH
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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
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Publication number: 20230221413Abstract: Disclosed herein are separated type receiving device for lidar, transmitting device for lidar and lidar system thereof. The receiving device for Lidar is installed in a moving device and separated from a transmitting apparatus for Lidar fixed to a fixed body. The receiving apparatus for Lidar includes: an object beam detection module configured to detect an object beam which is a beam received after being transmitted from the transmitting apparatus for Lidar and reflected from a neighboring object of the moving device; and a reception controller configured to generate Lidar data based on information associated with the transmitted beam and a signal of the object beam.Type: ApplicationFiled: November 16, 2022Publication date: July 13, 2023Inventors: Hong Seok SEO, Bong Ki MHEEN
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Publication number: 20230223732Abstract: Provided are a laser device and an optical apparatus including the same. The laser device includes a pump light source configured to provide pump light, a gain medium configured to acquire a gain of seed laser light by using the pump light, a first curved mirror and a second curved mirror, which are provided at both sides of the gain medium to reflect the seed laser light into the gain medium, an output mirror configured to transmit a portion of the seed laser light reflected by the second curved mirror and reflect the other portion of the seed laser light to the gain medium, a first acoustic wave generator connected to the gain medium and configured to provide a first photoacoustic wave in the gain medium, and a second acoustic wave generator connected to the gain medium and configured to provide a second photoacoustic wave in the gain medium.Type: ApplicationFiled: November 8, 2022Publication date: July 13, 2023Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Hoon SONG, Hong-Seok SEO, Soo Jun PARK, Ho-Youl JUNG, CHUL HUH
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Patent number: 11695249Abstract: A femtosecond pulse laser apparatus includes a pump light source configured to provide a pump light, a gain medium configured to obtain a gain of a laser light using the pump light, a first curved mirror and a second curved mirror, which are provided at both sides of the gain medium, an output mirror configured to transmit a portion of the laser light and reflect the other portion of the laser light to the gain medium, a mode locking portion configured to generate a femtosecond pulse of the laser light, and an acoustic wave generator configured to provide an acoustic wave into the gain medium so as to adjust self-phase modulation of the laser light.Type: GrantFiled: August 4, 2021Date of Patent: July 4, 2023Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Hoon Song, Hong-Seok Seo, Chul Huh
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Patent number: 11668801Abstract: A LIDAR system is provided. The LIDAR system includes: a light transmitting unit configured to drive a plurality of light emitting elements by light emitting units to irradiate light to different positions of a target object; and a light receiving unit configured to detect light that is reflected at different positions of the target object and then is incident to different light receiving positions through a plurality of light receiving regions.Type: GrantFiled: September 18, 2019Date of Patent: June 6, 2023Assignee: Electronics and Telecommunications Research InstituteInventors: Bongki Mheen, Hong-Seok Seo, Gyu Dong Choi
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Publication number: 20230141045Abstract: Disclosed is a PCR diagnosis apparatus, which includes a transmitter including a multi-wavelength light source for outputting a first light source signal and a second light source signal having different wavelengths, and that applies the first light source signal and the second light source signal to a PCR chip including samples each including a plurality of DNAs, a code generator that generates first code signal and second code signal corresponding to the first light source signal and the second light source signal, respectively, and which are orthogonal to each other, and a receiver that performs a dot product on fluorescent data and each of the first code signal and the second code signal, wherein the fluorescent data include a first fluorescent signal and a second fluorescent signal emitted from a phosphor attached to each of the plurality of DNAs.Type: ApplicationFiled: August 10, 2022Publication date: May 11, 2023Inventors: Hong-Seok SEO, Dong Hoon SONG, Jeong Won PARK, CHUL HUH
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Patent number: 11646541Abstract: Disclosed is a femtosecond laser device. The femtosecond laser device includes a pulse oscillator configured to generate a laser pulse, a pulse width stretcher configured to stretch a width of the laser pulse, a pulse width compressor connected to the pulse width stretcher to compress the width of the laser pulse, a pulse amplifier disposed between the pulse width compressor and the pulse width stretcher to amplifier an intensity of the laser pulse, and a nonlinear pulse attenuator including an optical fiber connected between the pulse width amplifier and the pulse width stretcher and deformed to have a spiral shape, a stretched length, or a twist.Type: GrantFiled: November 17, 2020Date of Patent: May 9, 2023Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTEInventors: Dong Hoon Song, Hong-Seok Seo
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Publication number: 20220395924Abstract: Provided is a two-photon spectroscopy including a light source configured to generate first laser light having a pulse, a pulse width correction device configured to receive the first laser light to output a second laser light, an optical system through which the second laser light passes, a first two-photon sensor configured to measure a first pulse width of the first laser light generated from the light source, and a second two-photon sensor configured to measure a second pulse width of the second laser light passing through the optical system, wherein the pulse width correction device corrects a difference between the first pulse width and the second pulse width.Type: ApplicationFiled: April 25, 2022Publication date: December 15, 2022Applicant: Electronics and Telecommunications Research InstituteInventors: Dong Hoon SONG, Hong-Seok SEO, CHUL HUH
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Publication number: 20220231475Abstract: Disclosed is a laser radar device, which includes a signal light source that outputs a first signal light, a pump light source that outputs a pump light, a pump optical fiber that transfers the pump light, a first signal optical fiber that transfers the first signal light, a first amplifier that receives and amplifies the first signal light from the first signal optical fiber, a second signal optical fiber that receives and transfers a second signal light from the first amplifier, the second signal light being obtained by amplifying the first signal light, a second amplifier that receives and amplifies the second signal light from the second signal optical fiber, and an optical coupler connected to the first signal optical fiber, the second signal optical fiber, and the pump optical fiber, and that distributes the pump light to the first signal optical fiber and the second signal optical fiber.Type: ApplicationFiled: October 28, 2021Publication date: July 21, 2022Inventors: Hong-Seok SEO, Bongki MHEEN, Munhyun HAN
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Publication number: 20220181838Abstract: A femtosecond pulse laser apparatus includes a pump light source configured to provide a pump light, a gain medium configured to obtain a gain of a laser light using the pump light, a first curved mirror and a second curved mirror, which are provided at both sides of the gain medium, an output mirror configured to transmit a portion of the laser light and reflect the other portion of the laser light to the gain medium, a mode locking portion configured to generate a femtosecond pulse of the laser light, and an acoustic wave generator configured to provide an acoustic wave into the gain medium so as to adjust self-phase modulation of the laser light.Type: ApplicationFiled: August 4, 2021Publication date: June 9, 2022Inventors: Dong Hoon SONG, Hong-Seok SEO, CHUL HUH
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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