Patents by Inventor Yun-kwon Park

Yun-kwon 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).

  • Patent number: 9837826
    Abstract: A resonator has an increased isolation for stable wireless power transmission. A material that reduces resonance coupling may be disposed in a space between each of a plurality of resonators and a resonator adjacent to each of the plurality of resonators. A material that reduces resonance coupling may be disposed on a plane opposite to a direction in which a resonator resonates. Power at an operating frequency set to be equal to or within a predetermined range of a frequency corresponding to a resonant mode may be injected into a plurality of transmission resonators.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: December 5, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hyun Park, Dong Zo Kim, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Bong Chul Kim, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Byoung Hee Lee
  • Patent number: 9837861
    Abstract: A resonance power transmission system for controlling a supply voltage of a power converter based on power transmission efficiency is provided. According to an aspect, a resonance power transmitter configured to transmit resonance power to one or more resonance power receivers may include: a voltage controller configured to receive an input signal and to output voltage of a predetermined level; a source controller configured to control a signal level of the DC voltage based the number of resonance power receivers.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: December 5, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jin Sung Choi, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Young Tack Hong, Young Ho Ryu, Nam Yun Kim, Dong Zo Kim
  • Publication number: 20170338861
    Abstract: An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator.
    Type: Application
    Filed: August 9, 2017
    Publication date: November 23, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo KIM, Sang Wook KWON, Ki Young KIM, Nam Yun KIM, Yun Kwon PARK, Eun Seok PARK, Young Ho RYU, Chang Wook YOON, Jin Sung CHOI, Young-tack HONG
  • Patent number: 9824816
    Abstract: A wireless power receiving device and a wireless power transmission apparatus are provided. The wireless power receiver may include a resonator configured to emit an electromagnetic field, a blocker configured to surround a portion of an exterior of the resonator, and a spacer disposed between the resonator and the blocker.
    Type: Grant
    Filed: March 31, 2014
    Date of Patent: November 21, 2017
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Hanyang University
    Inventors: Keum Su Song, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park, Chi Hyung Ahn, Young Ho Ryu, Byoung Hee Lee, Jun Seok Lee, Jae Hoon Choi, Kyung Young Jung, Sang Gyu Ha
  • Patent number: 9819197
    Abstract: An interference control method of a power transmitting unit (PTU) includes determining whether the PTU is in an interference environment in which interference by a neighbor PTU occurs, and controlling a communication parameter of either one or both of the neighbor PTU and a power receiving unit (PRU) in response to a result of the determining being that the PTU is in the interference environment.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: November 14, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Ki Young Kim, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park, Young Ho Ryu
  • Publication number: 20170310167
    Abstract: A wireless power transmission system, and a method for controlling wireless power transmission and wireless power reception are provided. According to an aspect, a method for controlling a wireless power transmission may include: detecting a plurality of target devices used to wirelessly receive power; selecting a source resonating unit from among a plurality of source resonating units, based on the amount of power to be transmitted to one or more of the plurality of target devices, a coupling factor associated with one or more of the plurality of target devices, or both; and wirelessly transmitting power to a target device using the selected source resonating unit.
    Type: Application
    Filed: July 11, 2017
    Publication date: October 26, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun KIM, Sang Wook KWON, Yun Kwon PARK
  • Patent number: 9796281
    Abstract: A wireless power transmission apparatus includes a plurality of transmission (TX) resonators configured to resonate with at least one reception (RX) resonator, and wirelessly transmit power to the at least one RX resonator; and a frequency controller configured to control the input frequency so that power is stably supplied to the at least one RX resonator.
    Type: Grant
    Filed: July 3, 2014
    Date of Patent: October 24, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Bong Chul Kim, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Byoung Hee Lee
  • Patent number: 9793740
    Abstract: An apparatus and a method for charge control are provided. The apparatus for charge control may include an integrated direct current-to-direct current (DC/DC) converter configured to step up an output voltage level of a load to be greater than or equal to a supply voltage level set in a power amplifier, and the power amplifier configured to convert a direct current (DC) voltage stepped up by the integrated DC/DC converter into an alternating current (AC) voltage based on a resonant frequency, and to amplify the converted AC voltage. The apparatus for charge control may include a rectification unit configured to convert an AC power received wirelessly into a DC power; and a DC/DC converter configured to step down a voltage level of the DC power to a voltage level required by a load in the receiving mode.
    Type: Grant
    Filed: November 25, 2013
    Date of Patent: October 17, 2017
    Assignees: Samsung Electronics Co., Ltd., IUCF-HYU(Industry-University Cooperation Foundation Hanyang University)
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Young Jin Moon, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Chang Sik Yoo, Chang Wook Yoon, Jin Sung Choi
  • Patent number: 9787105
    Abstract: A high efficiency variable power transmitting apparatus outputs a variable power by modulating, with respect to a time axis, a high frequency signal having a constant amplitude by turning the high frequency signal ON and OFF, amplifying the variable power to satisfy a requested power level of a target device based on a supply voltage having a predetermined level, converting an alternating current (AC) voltage received from a power source to a direct current (DC) voltage, generating the supply voltage having the predetermined level based on the DC voltage, and providing the supply voltage having the predetermined level to the PA.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: October 10, 2017
    Assignees: Samsung Electronics Co., Ltd., Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Jin Sung Choi, Young Tack Hong, Sang Wook Kwon, Yun Kwon Park, Young Goo Yang, Eun Seok Park, Ki Young Kim, Young Ho Ryu, Nam Yun Kim, Dong Zo Kim
  • Patent number: 9748800
    Abstract: A wireless power transmission system, and a method of controlling power in the wireless power transmission system based on a detection parameter are provided. The method includes transmitting a request signal to a device. The method further includes receiving, from the device, a response signal corresponding to the request signal, the response signal including a parameter of the device. The method further includes generating an operation power based on the parameter of the device, the operation power being used for an operation of the device.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: August 29, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Ki Young Kim, Young Ho Ryu, Dong Zo Kim, Jin Sung Choi, Chang Wook Yoon
  • Patent number: 9742473
    Abstract: An apparatus and method of using near field communication (NFC) and wireless power transmission (WPT) are provided. A power receiving apparatus includes a resonator configured to receive a power and to output the power. The power receiving apparatus further includes a near field communication (NFC) receiver configured to perform wireless communication using the power output by the resonator. The power receiving apparatus further includes a wireless power transmission (WPT) receiver configured to supply a voltage using the power output by the resonator. The power receiving apparatus further includes a connecting unit configured to selectively connect the resonator to either the NFC receiver or the WPT receiver. The power receiving apparatus further includes a mode selector configured to control the connecting unit to selectively connect the resonator to either the NFC receiver or the WPT receiver based on the power output by the resonator.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: August 22, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Yun Kwon Park, Eun Seok Park, Young Ho Ryu, Chang Wook Yoon, Jin Sung Choi, Young-tack Hong
  • Publication number: 20170236990
    Abstract: An energy harvest is disclosed. The disclosed energy harvest includes: a first charging member including a plurality of first protruding parts; and a second charging member including a plurality of second protruding parts arranged between the first protruding parts and including a material different from that of the first protruding parts. When at least one of the first and second charging members moves, side surfaces of the first protruding parts and side surfaces of the second protruding parts come into contact with each other, or gaps between the side surfaces of the first protruding parts and the side surfaces of the second protruding parts are changed. The energy harvest generates electrical energy from the contact or the gap change.
    Type: Application
    Filed: September 2, 2015
    Publication date: August 17, 2017
    Inventors: Young-jun PARK, Jin-hyoung PARK, Yun-kwon PARK, Ho-seong SEO, Sang-wook KWON
  • Patent number: 9729203
    Abstract: A resonator having increased isolation includes a first resonator having first characteristics, and configured to resonate with another resonator having the first characteristics; and a second resonator having second characteristics, and configured to resonate with another resonator having the second characteristics; wherein the resonator has an arrangement and a structure that minimizes a coupling between the first resonator and the second resonator.
    Type: Grant
    Filed: January 22, 2014
    Date of Patent: August 8, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jae Hyun Park, Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Bong Chul Kim, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Chang Wook Yoon, Byoung Hee Lee
  • Patent number: 9729013
    Abstract: A wireless power transmission system, and a method for controlling wireless power transmission and wireless power reception are provided. According to an aspect, a method for controlling a wireless power transmission may include: detecting a plurality of target devices used to wirelessly receive power; selecting a source resonating unit from among a plurality of source resonating units, based on the amount of power to be transmitted to one or more of the plurality of target devices, a coupling factor associated with one or more of the plurality of target devices, or both; and wirelessly transmitting power to a target device using the selected source resonating unit.
    Type: Grant
    Filed: January 15, 2015
    Date of Patent: August 8, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park
  • Publication number: 20170222471
    Abstract: A method of operating a wireless power transmission apparatus includes receiving, from a wireless power reception apparatus, information on an operating power of a micro control unit (MCU) of the wireless power reception apparatus and information on an output of a direct current-to-direct current (DC/DC) converter of the wireless power reception apparatus; determining whether a charging power is to be transmitted to the wireless power reception apparatus based on the received information on the output of DC/DC converter; and transmitting, to the wireless power reception apparatus, an MCU operating power calculated based on the received information on the operating power of the MCU in response to a determination that the charging power is not to be transmitted to the wireless power reception apparatus.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON, Hyuk Choon KWON, Bong Chul KIM, Yun Kwon PARK, Jae Hyun PARK
  • Patent number: 9706307
    Abstract: A sound system using wireless power transmission is provided. A power and data transmission apparatus in the sound system, includes a data transmitting unit configured to wirelessly transmit, to a sound output device, sound data. The apparatus further includes a power transmitting unit configured to wirelessly transmit, to the sound output device, power. The apparatus further includes a controller configured to control the data transmitting unit and the power transmitting unit based on a distance between the apparatus and the sound output device.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: July 11, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang Wook Yoon, Sang Wook Kwon, Nam Yun Kim, Eun Seok Park, Ki Young Kim, Dong Zo Kim, Yun Kwon Park, Young Ho Ryu, Jin Sung Choi, Young Tack Hong
  • Patent number: 9705364
    Abstract: A wireless power transmission method includes searching for one or more routes to be used to transmit power to a reception resonator through one or more relay resonators, and converting the routes to respective one or more two-port networks. The method further includes calculating a transmission efficiency of each of the routes based on the two-port networks, and selecting a route with a highest transmission efficiency from the routes. The method further includes wirelessly transmitting power to the reception resonator through the selected route.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: July 11, 2017
    Assignees: Samsung Electronics Co., Ltd., Hongik University Industry-Academia Cooperation Foundation
    Inventors: Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Bong Chul Kim, Ju Hui Kim, Byung Chul Park, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn, Byoung Hee Lee, Jeong Hae Lee
  • Patent number: 9685882
    Abstract: An apparatus and a method for wireless power reception include converting a received wireless power to a wireless power for charging using a synchronous rectifier and a direct current/direct current (DC/DC) converter having a structure providing a high efficiency and low heat generation even when a high charging current is supplied.
    Type: Grant
    Filed: August 8, 2014
    Date of Patent: June 20, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Byoung Hee Lee
  • Patent number: 9685994
    Abstract: A dual antenna for wireless communication transmission (WPT) and near field communication (NFC) includes a loop antenna, and a dual loop antenna disposed at an inside and an outside of the loop antenna.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: June 20, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute Of Science and Technology
    Inventors: Dong Zo Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Yun Kwon Park, Jae Hyun Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Jong Won Yu, Chang Wook Yoon, Wang Sang Lee
  • Publication number: 20170163098
    Abstract: A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator.
    Type: Application
    Filed: February 21, 2017
    Publication date: June 8, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Chi Hyung AHN, Sang Wook KWON, Ki Young KIM, Nam Yun KIM, Dong Zo KIM, Bong Chul KIM, Yun Kwon PARK, Jae Hyun PARK, Keum Su SONG, Young Ho RYU, Byoung Hee LEE