Patents by Inventor Chul Hun Seo
Chul Hun 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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Patent number: 9916925Abstract: A wireless power receiver includes a receiver resonator configured to be coupled to a source resonator to receive a power from the source resonator, the receiver resonator comprising: a planar dielectric layer; an antenna patterned in the form of a loop on the dielectric layer or arranged in the shape of a ring in the exterior of the dielectric layer; and a meta-structure separated from the antenna and arranged on the dielectric layer within the antenna, wherein the meta-structure is configured to reinforce at least one of the electric fields and magnetic fields that are formed in the receiver resonator.Type: GrantFiled: August 23, 2013Date of Patent: March 13, 2018Assignee: SOONGSIL UNIVERSITY-INDUSTRY COOPERATION FOUNDATIONInventors: Chul Hun Seo, Chongmin Lee
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Patent number: 9680225Abstract: A wireless power receiver includes a receiver resonator configured to be coupled to a source resonator to receive a power from the source resonator, the receiver resonator comprising: an inverted U-shaped dielectric layer whose distal ends are bent inward; an antenna patterned in the form of a loop in line with the shape of the dielectric layer; and a meta-structure arranged around the antenna on the dielectric layer, wherein the meta-structure is configured to reinforce at least one of the electric fields and magnetic fields that are formed in the receiver resonator.Type: GrantFiled: August 23, 2013Date of Patent: June 13, 2017Assignee: SOONGSIL UNIVERSITY-INDUSTRY COOPERATION FOUNDATIONInventors: Chul Hun Seo, Chongmin Lee
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Publication number: 20160079811Abstract: The present invention relates to a meta-material structure and, more specifically, to a meta-material structure that refracts an electromagnetic field. According to one aspect of the present invention, a meta-material structure refracting a magnetic field of a particular frequency can be provided, wherein the meta-material structure comprises: a substrate; a first conductor line disposed on one surface of the substrate; a second conductor line disposed on the other surface of the substrate; and two connecting members for connecting both ends of the first conductor line and the second conductor line penetrating the substrate. When looked at from the top, both ends of the first conductor line and the second conductor line of the provided meta-material structure are located in the same place, and the first conductor line and the second conductor line form a twisted shaped path.Type: ApplicationFiled: April 25, 2014Publication date: March 17, 2016Applicant: INTELLECTUAL DISCOVERY CO., LTD.Inventors: Chul Hun SEO, Hyoung Jun KIM, Sung Je LEE
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Patent number: 9231443Abstract: A terminal device includes a housing, a communication antenna installed in a first region in the housing and configured to transmit and receive electromagnetic waves, an agglomerative meta-structure installed in a second region spaced from the first region in the housing and configured to agglomerate the electromagnetic waves received from the communication antenna, and a recycling unit configured to convert the electromagnetic waves agglomerated by the agglomerative meta-structure to effective power.Type: GrantFiled: August 7, 2013Date of Patent: January 5, 2016Assignee: SOONGSIL UNIVERSITY-INDUSTRY COOPERATION FOUNDATIONInventors: Chul Hun Seo, Chongmin Lee
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Patent number: 9105977Abstract: A terminal device includes a housing, a communication antenna, and an agglomerative meta-structure, wherein the agglomerative meta-structure comprises a first pattern layer connected in series between an input end and an output end of the agglomerative meta-structure, and a second pattern layer connected in parallel between the input end and the output end.Type: GrantFiled: August 7, 2013Date of Patent: August 11, 2015Assignee: SOONGSIL UNIVERSITY-INDUSTRY COOPERATION FOUNDATIONInventors: Chul Hun Seo, Chongmin Lee, Hyoungjun Kim
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Patent number: 8872583Abstract: 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: GrantFiled: February 29, 2012Date of Patent: October 28, 2014Assignees: Electronics and Telecommunications Research Institute, Soongsil University Foundation of University-Industry CooperationInventors: Chong Min Lee, Chul Hun Seo
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Patent number: 8779629Abstract: Disclosed herein is an apparatus for transmitting and receiving wireless energy using meta-material structures having a zero refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. When external power is applied thereto, the wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially when the generated wireless energy is transmitted, using a magnetic resonance method while concentrating the wireless energy in one direction.Type: GrantFiled: August 2, 2010Date of Patent: July 15, 2014Assignees: Samsung Electro-Mechanics Co., Ltd., Soongsil University Research Consortium Techno-ParkInventors: Hyoung Jun Kim, Chul Hun Seo, Eung Ju Kim, Jeong Hoon Kim, Kwang Du Lee, Sang Hoon Hwang, Jung Ho Yoon, Chul Gyun Park
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Publication number: 20140062214Abstract: A wireless power receiver includes a receiver resonator configured to be coupled to a source resonator to receive a power from the source resonator, the receiver resonator comprising: an inverted U-shaped dielectric layer whose distal ends are bent inward; an antenna patterned in the form of a loop in line with the shape of the dielectric layer; and a meta-structure arranged around the antenna on the dielectric layer, wherein the meta-structure is configured to reinforce at least one of the electric fields and magnetic fields that are formed in the receiver resonator.Type: ApplicationFiled: August 23, 2013Publication date: March 6, 2014Applicant: Soongsil University-Industry Cooperation FoundationInventors: Chul Hun SEO, Chongmin LEE
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Publication number: 20140062215Abstract: A wireless power receiver includes a receiver resonator configured to be coupled to a source resonator to receive a power from the source resonator, the receiver resonator comprising: a planar dielectric layer; an antenna patterned in the form of a loop on the dielectric layer or arranged in the shape of a ring in the exterior of the dielectric layer; and a meta-structure separated from the antenna and arranged on the dielectric layer within the antenna, wherein the meta-structure is configured to reinforce at least one of the electric fields and magnetic fields that are formed in the receiver resonator.Type: ApplicationFiled: August 23, 2013Publication date: March 6, 2014Applicant: Soongsil University-Industry Cooperation FoundationInventors: Chul Hun SEO, Chongmin LEE
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Publication number: 20140042971Abstract: A terminal device includes a housing, a communication antenna installed in a first region in the housing and configured to transmit and receive electromagnetic waves, an agglomerative meta-structure installed in a second region spaced from the first region in the housing and configured to agglomerate the electromagnetic waves received from the communication antenna, and a recycling unit configured to convert the electromagnetic waves agglomerated by the agglomerative meta-structure to effective power.Type: ApplicationFiled: August 7, 2013Publication date: February 13, 2014Applicant: Soongsil University-Industry Cooperation FoundatioInventors: Chul Hun Seo, Chongmin LEE
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Publication number: 20140043194Abstract: A terminal device includes a housing, a communication antenna, and an agglomerative meta-structure, wherein the agglomerative meta-structure comprises a first pattern layer connected in series between an input end and an output end of the agglomerative meta-structure, and a second pattern layer connected in parallel between the input end and the output end.Type: ApplicationFiled: August 7, 2013Publication date: February 13, 2014Applicant: Soongsil University-Industry Cooperation FoundationInventors: Chul Hun SEO, Chongmin LEE, Hyoungjun KIM
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Patent number: 8598744Abstract: Disclosed herein is there is provided an apparatus for transmitting and receiving wireless energy using meta-material structures having a negative refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. The wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially, using a magnetic resonance method while concentrating the wireless energy at a single point. The wireless energy reception unit wirelessly receives the wireless energy using the magnetic resonance method while concentrating the wireless energy at a single point.Type: GrantFiled: August 27, 2010Date of Patent: December 3, 2013Assignees: Samsung Electro-Mechanics Co., Ltd., Soongsil University Research Consortium Techno-ParkInventors: Jae Won Choi, Chul Hun Seo, Eung Ju Kim, Jeong Hoon Kim, Kwang Du Lee, Sang Hoon Hwang, Jung Ho Yoon, Chul Gyun Park
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Patent number: 8339325Abstract: Disclosed is a wireless energy transmission structure which includes a disc part including a first conductor plate and a second conductor plate which are spaced to face each other and a dielectric material inserted between the first conductor plate and the second conductor plate, and generating an electric field between the first conductor plate and the second conductor plate; and a ring-shaped wire part one end of which is connected to the first conductor plate and the other end of which is connected to the second conductor plate, and having a meta structure in which a plurality of meta cells is repetitively arranged so as to induce a magnetic field using the electric field, so that the wireless energy transmission structure is reduced in size and is improved in transmission distance and transmission efficiency.Type: GrantFiled: April 9, 2010Date of Patent: December 25, 2012Assignees: Samsung Electro-Mechanics Co., Ltd., Soongsil University Research Consortium Techno-ParkInventors: Jae Won Choi, Chul Hun Seo, Chong Min Lee, Du Won Jung, Yang Hyun Kim, Eung Ju Kim, Kwang Du Lee, Jung Ho Yoon, Jeong Hoon Kim, Sang Hoon Hwang, Chul Gyun Park, Jung Aun Lee
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Patent number: 8319473Abstract: Disclosed herein is a wireless energy transmission structure, which includes a printed circuit board, a disk section, and a wire section. The printed circuit board is formed in a ring type, the disk section is constituted by a first conductive plate and a second conductive plate formed on portions of the printed circuit board corresponding to each other to be spaced by a predetermined gap and a dielectric material inserted between the first conductive plate and the second conductive plate, and the wire section is constituted by a plurality of meta cells having a meta material structure, which are repetitively formed to surround the exterior and interior of the printed circuit board and a transmission line connected to each of the first conductive plate and the second conductive plate and surround the plurality of meta cells.Type: GrantFiled: July 9, 2010Date of Patent: November 27, 2012Assignees: Samsung Electro-Mechanics Co., Ltd., Soongsil University Research Consortium techo-ParkInventors: Jae Won Choi, Eung Ju Kim, Kwang Du Lee, Chul Gyun Park, Jeong Hoon Kim, Jung Ho Yoon, Sang Hoon Hwang, Chul Hun Seo
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Publication number: 20120262234Abstract: 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: ApplicationFiled: February 29, 2012Publication date: October 18, 2012Applicants: SOONGSIL UNIVERSITY Foundation of University-Industry Cooperation, Electronics and Telecommunications Research InstituteInventors: Chong Min LEE, Chul Hun SEO
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Publication number: 20110267247Abstract: Disclosed herein is there is provided an apparatus for transmitting and receiving wireless energy using meta-material structures having a negative refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. The wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially, using a magnetic resonance method while concentrating the wireless energy at a single point. The wireless energy reception unit wirelessly receives the wireless energy using the magnetic resonance method while concentrating the wireless energy at a single point.Type: ApplicationFiled: August 27, 2010Publication date: November 3, 2011Applicants: SOONGSIL UNIVERISTY RESEARCH CONSORTIUM TECHNO-PARK, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Won CHOI, Chul Hun SEO, Eung Ju KIM, Jeong Hoon KIM, Kwang Du LEE, Sang Hoon HWANG, Jung Ho YOON, Chul Gyun PARK
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Publication number: 20110266879Abstract: Disclosed herein is an apparatus for transmitting and receiving wireless energy using meta-material structures having a zero refractive index. The apparatus includes a wireless energy transmission unit and a wireless energy reception unit. When external power is applied thereto, the wireless energy transmission unit generates wireless energy to be wirelessly transmitted, and then wirelessly transmits wireless energy, which is normally propagated radially when the generated wireless energy is transmitted, using a magnetic resonance method while concentrating the wireless energy in one direction.Type: ApplicationFiled: August 2, 2010Publication date: November 3, 2011Applicants: Soongsil University Research Consortium Techno-PARK, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Hyoung Jun Kim, Chul Hun Seo, Eung Ju Kim, Jeong Hoon Kim, Kwang Du Lee, Sang Hoon Hwang, Jung Ho Yoon, Chul Gyun Park
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Publication number: 20110241609Abstract: Disclosed herein is a wireless energy transmission structure, which includes a printed circuit board, a disk section, and a wire section. The printed circuit board is formed in a ring type, the disk section is constituted by a first conductive plate and a second conductive plate formed on portions of the printed circuit board corresponding to each other to be spaced by a predetermined gap and a dielectric material inserted between the first conductive plate and the second conductive plate, and the wire section is constituted by a plurality of meta cells having a meta material structure, which are repetitively formed to surround the exterior and interior of the printed circuit board and a transmission line connected to each of the first conductive plate and the second conductive plate and surround the plurality of meta cells.Type: ApplicationFiled: July 9, 2010Publication date: October 6, 2011Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jae Won CHOI, Eung Ju KIM, Kwang Du LEE, Chul Gyun PARK, Jeong Hoon KIM, Jung Ho YOON, Sang Hoon HWANG, Chul Hun SEO
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Publication number: 20110193415Abstract: Disclosed is a wireless energy transmission structure which includes a disc part including a first conductor plate and a second conductor plate which are spaced to face each other and a dielectric material inserted between the first conductor plate and the second conductor plate, and generating an electric field between the first conductor plate and the second conductor plate; and a ring-shaped wire part one end of which is connected to the first conductor plate and the other end of which is connected to the second conductor plate, and having a meta structure in which a plurality of meta cells is repetitively arranged so as to induce a magnetic field using the electric field, so that the wireless energy transmission structure is reduced in size and is improved in transmission distance and transmission efficiency.Type: ApplicationFiled: April 9, 2010Publication date: August 11, 2011Inventors: Jae Won CHOI, Chul Hun SEO, Chong Min LEE, Du Won JUNG, Yang Hyun KIM, Ju Eung KIM, Kwang Du LEE, Jung Ho YOON, Jeong Hoon KIM, Sang Hoon HWANG, Chul Gyun PARK, Jung Aun LEE
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Publication number: 20110133849Abstract: A voltage-controlled oscillator (VCO), specifically, a low phase noise VCO using metamaterial transmission lines including a signal plane on which transmission lines are etched in an interdigital fashion is provided. Though high quality resonators based on a metamaterial structure, improvement of the phase noise of the VCO and circuit miniaturization are achieved.Type: ApplicationFiled: June 7, 2010Publication date: June 9, 2011Applicants: Soongsil University Research Consortium Techno-PARK, Electronics and Telecommunications Research InstituteInventors: Jae-Won Choi, Chul-Hun Seo, Young-Jun Chong, Jae-Ick Choi