Patents by Inventor Nam Yun Kim

Nam Yun Kim 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).

  • Resonator having increased isolation
    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
  • Wireless power transmission system, and method for controlling wireless power transmission and wireless power reception
    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
  • METHOD AND APPARATUS FOR WIRELESSLY TRANSMITTING POWER AND POWER TRANSMISSION INFORMATION
    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
  • Wireless power transmitter, wireless power receiver, and control methods thereof
    Patent number: 9722446
    Abstract: A control method of a wireless power transmitting unit transmitting charging power to a wireless power receiving unit is provided. The control method includes receiving first signals from one or more wireless power receiving units; classifying wireless power receiving units to be communicated with from among the one or more wireless power receiving units based on reception intensities of the received first signals; transmitting wireless transmission power with predetermined level; receiving second signals including voltage information of the classified wireless power receiving units from the classified wireless power receiving units; and communicating with one or more wireless power receiving unit among the classified wireless power receiving units based on the wireless transmission power and the voltage information of the second signals.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: August 1, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Hyuk-Choon Kwon, Nam-Yun Kim, Hee-Won Jung, Soo-Yeon Jung
  • Wireless power transmission apparatus and wireless power transmission method
    Patent number: 9711968
    Abstract: Provided is a wireless power transmission apparatus and method. The wireless power transmission apparatus may include a coupling unit to couple a reflected signal with respect to a transmitted resonance power, and a resonance point detecting unit to scan a frequency of the reflected signal to detect a resonance point. A resonance frequency of the source resonator may be controlled using the detected resonance point.
    Type: Grant
    Filed: April 1, 2011
    Date of Patent: July 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Young Tack Hong, Sang Wook Kwon, Eun Seok Park, Young Ho Ryu
  • Sound system using wireless power transmission
    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
  • System for wireless power transmission and reception
    Patent number: 9692486
    Abstract: A wireless power transmitter and receiver, and related methods are provided. In one embodiment, a wireless power receiver may include: a receiving unit configured to receive wireless power from a source resonator; a detecting unit configured to detect a current value, a voltage value, or both of the wireless power; a controller configured to determine whether the detected current value, the detected voltage value, or both have a peak value, in a relation to a load which the wireless power is to be transmitted to; and a communication unit configured to transmit a result of the determination to the source resonator.
    Type: Grant
    Filed: August 19, 2011
    Date of Patent: June 27, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Young Tack Hong, Dong Zo Kim
  • Apparatus and method for wireless power reception
    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
  • Antenna for wireless power transmission and near field communication
    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
  • METHOD AND APPARATUS FOR CONTROLLING WIRELESS POWER TRANSMISSION
    Publication number: 20170163079
    Abstract: A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus.
    Type: Application
    Filed: February 15, 2017
    Publication date: June 8, 2017
    Applicants: SAMSUNG ELECTRONICS CO., LTD., Korea Advanced Institute of Science and Technology
    Inventors: Bong Chul KIM, Sang Wook KWON, Ki Young KIM, Nam Yun KIM, Gun Woo MOON, Sang Cheol MOON, Chi Hyung AHN, Shin Young CHO
  • WIRELESS POWER TRANSMISSION APPARATUS AND METHOD
    Publication number: 20170163097
    Abstract: A wireless power transmission apparatus for tracking a charging capacity of each of a plurality of wireless power reception apparatuses in an environment in which the plurality of wireless power reception apparatuses are charged includes a communication unit configured to receive information about either one or both of a charging support power and a requested power from each of the plurality of wireless power reception apparatuses, a controller configured to determine a charging capacity for a wireless power reception apparatus supporting the charging support power among the plurality of wireless power reception apparatuses based on the information about the charging support power, and a power tracker configured to re-track the determined charging capacity based on charging status information received from the plurality of wireless power reception apparatuses.
    Type: Application
    Filed: February 17, 2017
    Publication date: June 8, 2017
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun KIM, Hyuk Choon KWON, Sang Wook KWON, Ki Young KIM, Dong Zo KIM, Soo Yeon JUNG
  • WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER RELAY APPARATUS
    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
  • Portable device and wireless power charging system for portable device
    Patent number: 9647485
    Abstract: A portable device is provided. The portable device includes a power receiving unit configured to receive a first energy or a second energy from a wireless power transmitter, the first energy being used to perform a communication function and a control function, the second energy being used to charge a battery, and the wireless power transmitter being configured to wirelessly transmit a power, a voltage generator configured to generate a wake-up voltage from the first energy, or to generate a voltage for charging the battery from the second energy, a controller configured to perform the communication function and the control function, the controller being activated by the wake-up voltage, and a communication unit configured to perform a communication with the wireless power transmitter based on a control of the controller.
    Type: Grant
    Filed: September 8, 2015
    Date of Patent: May 9, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon
  • Wireless power transmission system, resonator in wireless power transmission system, and resonator design method for optimum power division
    Patent number: 9643504
    Abstract: A wireless power transmission system, a resonator in the wireless power transmission system, and a resonator design method for optimum power division are provided. A power receiver of the wireless power transmission system, includes a resonator configured to receive a power from a power transmitter. The power receiver further includes a power supply configured to supply the received power to a load. A figure of merit (FOM) of the resonator corresponds to a power dividing ratio of the power transmitter.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: May 9, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Ho Ryu, Eun Seok Park, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Keum Su Song, Chang Wook Yoon, Jin Sung Choi
  • Method and apparatus for wirelessly transmitting power and power transmission information
    Patent number: 9641017
    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: Grant
    Filed: July 22, 2014
    Date of Patent: May 2, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Hyuk Choon Kwon, Bong Chul Kim, Yun Kwon Park, Jae Hyun Park
  • WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD OF CONTROLLING TRANSMISSION AND RECEPTION OF RESONANCE POWER
    Publication number: 20170117743
    Abstract: A resonance power transmission system, and a method of controlling transmission and reception of a resonance power are provided. According to one embodiment, a method of controlling resonance power transmission in a resonance power transmitter may include: transmitting resonance power to a resonance power receiver, the resonance power having resonance frequencies which vary with respect to a plurality of time intervals; and receiving, from the resonance power receiver, information regarding the resonance frequency having the highest power transmission efficiency among the resonance frequencies used in the time intervals.
    Type: Application
    Filed: January 6, 2017
    Publication date: April 27, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON, Yun Kwon PARK, Eun Seok PARK, Young Tack HONG, Young Ho RYU, Dong Zo KIM, Jin Sung CHOI
  • Apparatus and method for controlling resonator of wireless power transmission system
    Patent number: 9633780
    Abstract: A source device configured to transmit a magnetic field via magnetic resonance with a target device includes a source resonator including a plurality of loop circuits respectively configured to generate different magnetic fields each depending on a length of a corresponding one of the plurality of loop circuits, and a circuit selector configured to select one loop circuit among the plurality of loop circuits based on information associated with the target device.
    Type: Grant
    Filed: September 11, 2013
    Date of Patent: April 25, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: KeumSu Song, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Chi Hyung Ahn, Young Ho Ryu, Chang Wook Yoon, Jin Sung Choi
  • Method and apparatus for controlling wireless power transmission
    Patent number: 9627930
    Abstract: A method and apparatus for controlling wireless power transmission are provided. An output power of a source device may be wirelessly transmitted to a target device via a resonator. The source device may detect a change in a current of the output power, and may request the target device to verify a state of the target device. The source device may determine a state of a wireless power transmission based on the change in the current and the state of the target device. The source device may control wireless power transmission based on the determined state of the wireless power transmission.
    Type: Grant
    Filed: November 30, 2015
    Date of Patent: April 18, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong
  • Wireless power transmission apparatus and method
    Patent number: 9614392
    Abstract: A wireless power transmission apparatus for tracking a charging capacity of each of a plurality of wireless power reception apparatuses in an environment in which the plurality of wireless power reception apparatuses are charged includes a communication unit configured to receive information about either one or both of a charging support power and a requested power from each of the plurality of wireless power reception apparatuses, a controller configured to determine a charging capacity for a wireless power reception apparatus supporting the charging support power among the plurality of wireless power reception apparatuses based on the information about the charging support power, and a power tracker configured to re-track the determined charging capacity based on charging status information received from the plurality of wireless power reception apparatuses.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: April 4, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Hyuk Choon Kwon, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Soo Yeon Jung
  • Method and apparatus for controlling wireless power transmission
    Patent number: 9608471
    Abstract: A method and an apparatus for controlling wireless power transmission are provided. An apparatus for controlling wireless power transmission includes a controller configured to determine an output voltage of a power factor correction unit based on charging information of a battery, the power factor correction unit configured to correct an input voltage into the determined output voltage, and output a variable voltage, and a resonance unit configured to transmit power converted from the variable voltage to a wireless power reception apparatus.
    Type: Grant
    Filed: January 16, 2014
    Date of Patent: March 28, 2017
    Assignees: Samsung Electronics Co., Ltd., Korea Advanced Institute of Science and Technology
    Inventors: Bong Chul Kim, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Gun Woo Moon, Sang Cheol Moon, Chi Hyung Ahn, Shin Young Cho