Patents by Inventor Chul Gyun Park
Chul Gyun Park 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: 20150180284Abstract: An apparatus for transmitting and receiving wireless power may include: a transmission module receiving power from an external device to charge a battery; a reception module providing power from the battery to the external device; a switching unit performing switching so as to select the transmission module or the reception module; a switching control unit performing Bluetooth communications with the external device and controlling the switching of the switching unit; and a host control unit creating operating mode information so as to provide the operating mode information to the switching control unit. The switching control unit may perform Bluetooth communications with the external device so that data is transmitted or received depending on the operating mode.Type: ApplicationFiled: May 16, 2014Publication date: June 25, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Joo Rak KANG, Chul Gyun PARK, Jae Jun LEE
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Publication number: 20150179335Abstract: A coil device may be capable of varying the gap of a coil so that several devices may be wirelessly charged simultaneously or a single device may be wirelessly charged with concentrated power. The coil device may include: a case having a reception space and varying a charging area upon a user's selection; and a coil part, having, in the reception space of the case, a coil body formed of a wound conductor having a predetermined length. A gap of the wound conductor of the coil body varies as the charging area of the case varies.Type: ApplicationFiled: March 14, 2014Publication date: June 25, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Soon Tack OH, Chang Soo KANG, Jae Suk SUNG, Sung Uk LEE, Hyun Keun LIM, Si Hyung KIM, Chul Gyun PARK, Ki Won CHANG
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Publication number: 20150169907Abstract: An electronic tag may include a wireless power receiving unit receiving power in a wireless power transmission scheme, a battery being charged with the power received from the wireless power receiving unit, a monitoring unit monitoring a power state of the battery, a display unit displaying information on the power state of the battery from the monitoring unit on a screen, and a first wireless communications unit wirelessly transmitting the information on the power state of the battery from the monitoring unit together with tag identification information in a first wireless communications scheme.Type: ApplicationFiled: May 7, 2014Publication date: June 18, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Ki Won CHANG, Jae Suk SUNG, Chang Soo KANG, Soon Tack OH, Sung Uk LEE, Hyun Keun LIM, Si Hyung KIM, Chul Gyun PARK
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Patent number: 9042284Abstract: There are provided an apparatus and a method for establishing a contention window in a WiMedia wireless network. The contention window establishing apparatus includes: a parsing unit extracting the number of devices that intend to transmit data from a beacon received during a beacon period and an access category (AC) of each device; a calculation unit calculating a transmission probability of each access category (AC) on the basis of the extracted number of devices; and a contention window establishing unit establishing a contention window for each access category (AC) on the basis of the calculated transmission probability, to reduce contentions among the devices and decrease data transmission latency time, thereby maximizing efficiency in data transmission latency time.Type: GrantFiled: August 30, 2013Date of Patent: May 26, 2015Assignees: Samsung Electro-Mechanics Co., Ltd., Korea University Industrial & Academic Collaboration FoundationInventors: Joun Sup Park, Chul Gyun Park, Chul Hee Kang, Sang Heon Pack, Hyun Hee Park
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Publication number: 20150137748Abstract: There are provided a non-contact power supply device and a non-contact power supply method, in which a short beacon is transmitted to recognize a power receiving device, a long beacon is transmitted to wake-up a communications circuit of the power receiving device, and charging power is transmitted in a contactless manner, wherein at least one of signal levels of the short beacon and signal levels of the long beacon is varied.Type: ApplicationFiled: November 19, 2014Publication date: May 21, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Si Hyung KIM, Soon Tack OH, Hyun Keun LIM, Sung Uk LEE, Ki Won CHANG, Chul Gyun PARK, Jae Suk SUNG, Chang Soo KANG
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Publication number: 20150137614Abstract: A non-contact type power supplying apparatus may be capable of detecting another power receiving apparatus even during the charging. The non-contact type power supplying apparatus may include: a first output unit outputting a detection signal detecting a power receiving apparatus; and a second output unit outputting a wake-up signal waking-up a communications circuit of the detected power receiving apparatus when the power receiving apparatus is detected, thereby making it possible to supply power to the detected power receiving apparatus using a non-contact type method.Type: ApplicationFiled: November 17, 2014Publication date: May 21, 2015Applicant: Samsung Electro-Mechanics Co., Ltd.Inventors: Chang Soo Kang, Soon Tack Oh, Chul Gyun Park, Jae Suk Sung, Hee Sun Han
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Publication number: 20150115725Abstract: There are provided a wireless power relay apparatus capable of improving charging efficiency by relaying wireless power within a wireless charging system, and a case including the same. The wireless power relay apparatus may include: a substrate; a coil formed on the substrate; and a circuit unit including at least one electronic element and electrically connected to the coil.Type: ApplicationFiled: April 15, 2014Publication date: April 30, 2015Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Chang Soo Kang, Soon Tack Oh, Sung Uk Lee, Hyun Keun Lim, Si Hyung Kim, Jae Suk Sung, Chul Gyun Park, Ki Won Chang
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Patent number: 9007269Abstract: Embodiments of the invention provide a dielectric waveguide antenna including a dielectric waveguide transmitting a signal applied from a power feeder, a dielectric waveguide radiator radiating the signal transmitted from the dielectric waveguide to the air through a first aperture, and a matching unit formed in a portion of the dielectric waveguide and controlling a serial reactance and a parallel reactance to thereby perform impedance matching between the dielectric waveguide radiator and the air, in order to reduce reflection generated in the first aperture during the radiation of the signal through the first aperture. Reflection in the aperture is reduced through the matching unit having various structures, thereby making it possible to improve characteristics of the dielectric waveguide antenna.Type: GrantFiled: February 20, 2014Date of Patent: April 14, 2015Assignees: Samsung Electro-Mechanics Co., Ltd., Korea University Research and Business FoundationInventors: Jung Aun Lee, Myeong Woo Han, Chul Gyun Park, Moonil Kim, Seung Ho Choi, Kook Joo Lee
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Patent number: 8981713Abstract: Disclosed herein is a charging apparatus using a pad type electrode contact point, the charging apparatus including: a charging plate having a plate shape; and an attaching plate installed on a portable terminal to provide the power to a charging circuit of the portable terminal.Type: GrantFiled: August 30, 2012Date of Patent: March 17, 2015Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kwang Du Lee, Eung Ju Kim, Sang Hoon Hwang, Jun Ki Min, Chul Gyun Park
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Patent number: 8942084Abstract: A method includes continuously receiving N data frames encoded from K source data packets by an erasure coding method; checking for errors in the received N data frames; and transmitting an acknowledge (ACK) message informing that the source data packets are capable of being restored, when the number (R) of data frames not containing errors is equal to or greater than the number (K) of source data packets, and transmitting an ACK message including the number (X) of data frames for which retransmission is to be requested when the number (R) of data frames not containing errors is less than the number (K) of source data packets, as a result of the checking.Type: GrantFiled: December 7, 2011Date of Patent: January 27, 2015Assignees: Samsung Electro-Mechanics Co., Ltd., Korea University Research & Business FoundationInventors: Joun Sup Park, Chul Gyun Park, Sang Heon Pack, Jae Duck Ko
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Publication number: 20140333147Abstract: A wireless power transmission/reception apparatus includes a wireless power transmission unit. The transmission unit is configured to generate a wireless power signal to be transmitted, transmit the wireless power signal using magnetic resonance, receive a reflected wireless power signal from a wireless power reception unit, determine whether a load device is present, and transmit a further wireless power signal when it is determined that the load device is present in such a way that impedance and output power depending on variation in a distance to the load device are tracked, and wireless power is supplied to the load device in an optimized state. Accordingly, a separate transceiver module is not provided for the purpose of performing communication between a transmitting end and a receiving end, and a reception environment is automatically detected, thus enabling wireless power to be transmitted in an optimal wireless power transmission state.Type: ApplicationFiled: July 18, 2014Publication date: November 13, 2014Inventors: Kwang Du LEE, Jeong Hoon KIM, Joun Sup PARK, Eung Ju KIM, Sang Hoon HWANG, Young Seok YOON, Chul Gyun PARK, Jung Ho YOON
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Patent number: 8803365Abstract: A wireless power transmission/reception apparatus includes a wireless power transmission unit. The transmission unit is configured to generate a wireless power signal to be transmitted, transmit the wireless power signal using magnetic resonance, receive a reflected wireless power signal from a wireless power reception unit, determine whether a load device is present, and transmit a further wireless power signal when it is determined that the load device is present in such a way that impedance and output power depending on variation in a distance to the load device are tracked, and wireless power is supplied to the load device in an optimized state. Accordingly, a separate transceiver module is not provided for the purpose of performing communication between a transmitting end and a receiving end, and a reception environment is automatically detected, thus enabling wireless power to be transmitted in an optimal wireless power transmission state.Type: GrantFiled: February 28, 2011Date of Patent: August 12, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Kwang Du Lee, Jeong Hoon Kim, Joun Sup Park, Eung Ju Kim, Sang Hoon Hwang, Young Seok Yoon, Chul Gyun Park, Jung Ho Yoon
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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: 20140168024Abstract: Embodiments of the invention provide a dielectric waveguide antenna including a dielectric waveguide transmitting a signal applied from a power feeder, a dielectric waveguide radiator radiating the signal transmitted from the dielectric waveguide to the air through a first aperture, and a matching unit formed in a portion of the dielectric waveguide and controlling a serial reactance and a parallel reactance to thereby perform impedance matching between the dielectric waveguide radiator and the air, in order to reduce reflection generated in the first aperture during the radiation of the signal through the first aperture. Reflection in the aperture is reduced through the matching unit having various structures, thereby making it possible to improve characteristics of the dielectric waveguide antenna.Type: ApplicationFiled: February 20, 2014Publication date: June 19, 2014Applicants: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Jung Aun LEE, Myeong Woo HAN, Chul Gyun PARK, Moonil KIM, Seung Ho CHOI, Kook Joo LEE
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Patent number: 8749434Abstract: A dielectric resonator antenna is disclosed that includes a multi-layer substrate on which a plurality of insulating layers and conductor layers are alternately stacked. The dielectric resonator antenna also includes a first conductor plate that has an opening part on the upper portion of the top insulating layer of the multi-layer substrate and a second conductor plate that is formed on the lower portion of the bottom insulating layer from the first conductor plate. The insulating layer is formed with at least two stacked layers and is disposed at a position corresponding to the opening part. The dielectric resonator antenna also includes a plurality of first metal via holes, a feeding part and a matching substrate that is stacked on the opening part and is stacked with at least one insulating layer.Type: GrantFiled: July 22, 2010Date of Patent: June 10, 2014Assignees: Samsung Electro-Mechanics Co., Ltd., Korea University Research and Business FoundationInventors: Myeong Woo Han, Jung Aun Lee, Chul Gyun Park, Seung Ho Choi, Moonil Kim, Kook Joo Lee
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Patent number: 8736031Abstract: There is provided a semiconductor package, and more particularly, a semiconductor package including an antenna embedded in an inner portion thereof. The semiconductor package includes: a semiconductor chip; a main antenna disposed to be adjacent to the semiconductor chip and electrically connected thereto; a sealing part sealing both of the semiconductor chip and the main antenna; and an auxiliary antenna formed on an outer surface of the sealing part and coupled to the main antenna.Type: GrantFiled: September 23, 2011Date of Patent: May 27, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Aun Lee, Myeong Woo Han, Do Jae Yoo, Chul Gyun Park
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Patent number: 8723732Abstract: A dielectric resonator antenna embedded in a multilayer substrate is described. The dielectric resonator antenna includes a multilayer substrate, a first conductive plate, a second conductive plate, a plurality of first metal via holes, a feeding part configured to feed a dielectric resonator, and a conductive pattern part inserted into the dielectric resonator so that a vertical metal interface is formed in the dielectric resonator.Type: GrantFiled: July 9, 2010Date of Patent: May 13, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Aun Lee, Chul Gyun Park, Moonil Kim, Kook Joo Lee
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Patent number: 8692731Abstract: Disclosed herein is a dielectric waveguide antenna including: a dielectric waveguide transmitting a signal applied from a power feeder; a dielectric waveguide radiator radiating the signal transmitted from the dielectric waveguide to the air through a first aperture; and a matching unit formed in a portion of the dielectric waveguide and controlling a serial reactance and a parallel reactance to thereby perform impedance matching between the dielectric waveguide radiator and the air, in order to reduce reflection generated in the first aperture during the radiation of the signal through the first aperture. Reflection in the aperture is reduced through the matching unit having various structures, thereby making it possible to improve characteristics of the dielectric waveguide antenna.Type: GrantFiled: April 21, 2011Date of Patent: April 8, 2014Assignee: Samsung Electro-Mechanics Co., Ltd.Inventors: Jung Aun Lee, Myeong Woo Han, Chul Gyun Park, Moonil Kim, Seung Ho Choi, Kook Joo Lee
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Patent number: 8675750Abstract: There are provided an apparatus and a method for reducing a peak to average power ratio (PAPR) through the recombination of an orthogonal frequency division multiplexing (OFDM) symbol. The apparatus includes an orthogonal frequency division multiplexing (OFDM) symbol transforming unit, a peak power measuring unit, and an OFDM symbol selecting unit, wherein the OFDM symbol transforming unit generates the plurality of OFDM symbols by (a) performing a process of rotating the OFDM symbol by a predetermined angle in a complex plane and performing cyclical shifting with respect to the rotated OFDM symbol and (b) repetitively performing process (a) with respect to the cyclically shifted OFDM symbol. Therefore, diversity is secured, whereby the PAPR may be reduced.Type: GrantFiled: June 21, 2011Date of Patent: March 18, 2014Assignees: Samsung Electro-Mechanics Co., Ltd., Korea University Industrial & Academic Collaboration FoundationInventors: Joun Sup Park, Chul Gyun Park, Young Chai Ko, Seung Sik Eum
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Publication number: 20140003412Abstract: There are provided an apparatus and a method for establishing a contention window in a WiMedia wireless network. The contention window establishing apparatus includes: a parsing unit extracting the number of devices that intend to transmit data from a beacon received during a beacon period and an access category (AC) of each device; a calculation unit calculating a transmission probability of each access category (AC) on the basis of the extracted number of devices; and a contention window establishing unit establishing a contention window for each access category (AC) on the basis of the calculated transmission probability, to reduce contentions among the devices and decrease data transmission latency time, thereby maximizing efficiency in data transmission latency time.Type: ApplicationFiled: August 30, 2013Publication date: January 2, 2014Applicants: Korea University Industrial & Academic Collaboration Foundation, SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Juon Sup Park, Chul Gyun Park, Chul Hee Kang, Sang Heon Pack, Hyun Hee Park