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).

  • Resonator having terminals and a method for manufacturing the resonator
    Patent number: 9312333
    Abstract: A resonator and a method for manufacturing a resonator are provided. The method may include doping a wafer, and forming on the wafer a substrate, a drain electrode, a source electrode, a gate electrode, and at least one nanowire.
    Type: Grant
    Filed: November 22, 2011
    Date of Patent: April 12, 2016
    Assignees: Samsung Electronics Co., Ltd., Korea University Industrial & Academic Collaboration Foundation
    Inventors: In Sang Song, Sung Woo Hwang, Yun Kwon Park, Byeong Kwon Ju, Jae Sung Rieh, Jea Shik Shin, Hee Tae Kim
  • WIRELESS POWER TRANSMISSION SYSTEM, AND METHOD OF CONTROLLING TRANSMISSION AND RECEPTION OF RESONANCE POWER
    Publication number: 20160099579
    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: December 14, 2015
    Publication date: April 7, 2016
    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
  • Wireless power transmission and charging system, and resonance frequency control method of wireless power transmission and charging system
    Patent number: 9306399
    Abstract: A wireless power transmission and charging system, and a communication method of the wireless power transmission and charging system are provided. In one embodiment, a resonance frequency control method of a wireless power transmitter may include: generating communication power used for communication in a plurality of target devices using a reference resonance frequency; transmitting communication power to the plurality of target devices; transmitting charging power to the plurality of target devices; and adjusting the reference resonance frequency based on a reflected wave of the charging power, the amount of power received by one or more of the target devices, the amount of the charging power, the transmission efficiency of the charging power, or any combination thereof.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: April 5, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park
  • APPARATUS AND METHOD FOR COMMUNICATION USING WIRELESS POWER
    Publication number: 20160080040
    Abstract: An apparatus and method for communication using a wireless power are provided. The apparatus includes an amplifier configured to amplify an input signal based on a power supplied to the amplifier. The apparatus further includes a control unit configured to detect a change in an impedance of a target device, and to change the power based on the change in the impedance. The apparatus further includes a demodulation unit configured to receive a message from the target device, and to demodulate the message based on the changed power.
    Type: Application
    Filed: November 2, 2015
    Publication date: March 17, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON, Yun Kwon PARK, Eun Seok PARK, Young Tack HONG, Ki Young KIM, Young Ho RYU, Dong Zo KIM, Jin Sung CHOI, Chang Wook YOON
  • Wireless power transmission system and multi-mode resonator in wireless power transmission system
    Patent number: 9287735
    Abstract: A wireless power transmission system and a multi-mode resonator in the wireless power transmission system are provided. The multi-mode resonator includes a transmission line portion including unit-cells, the unit-cells including respective ends connected to each other, and each of the unit-cells including a capacitor, an inductor connected in parallel to the capacitor, and a via. The multi-mode resonator further includes a ground conducting portion configured to provide an electrical ground to the transmission line portion through the via of each of the unit-cells.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: March 15, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Ho Ryu, Eun Seok Park, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Byung Chul Park, Yun Kwon Park, Jae Hyun Park, Chang Wook Yoon, Jeong Hae Lee, Jin Sung Choi, Young Tack Hong
  • Electronic device and method for transmitting and receiving wireless power
    Patent number: 9272630
    Abstract: An electronic device and method for transmitting and receiving a wireless power are provided. An electronic device for transmitting and receiving wireless power may include a resonator configured to operate, based on a plurality of operating modes of the electronic device including a power reception mode, a relay mode, and a power transmission mode, wherein: (i) in the power reception mode, the resonator is configured to receive power from a wireless power transmitter, (ii) in the relay mode, the resonator is configured to relay power received from the wireless power transmitter to a wireless power receiver, and (iii) in the power transmission mode, the resonator is configured to transmit power to the wireless power receiver; and a path controller configured to control at least one electrical pathway of electronic device based on the operating mode.
    Type: Grant
    Filed: May 11, 2012
    Date of Patent: March 1, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Young Tack Hong, Sang Wook Kwon, Yun Kwon Park, Ki Young Kim, Young Ho Ryu, Dong Zo Kim, Jin Sung Chol, Chang Wook Yoon
  • WIRELESS POWER TRANSMISSION AND CHARGING SYSTEM, AND IMPEDANCE CONTROL METHOD THEREOF
    Publication number: 20160036265
    Abstract: A wireless power transmission and charging system and method are provided. The wireless power may refer to energy that may be transferred from a wireless power transmitter to a wireless power receiver. The wireless power transmission and charging system may include a source device to wirelessly transmit power, and a target device to wirelessly receive power.
    Type: Application
    Filed: August 4, 2015
    Publication date: February 4, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON, Yun Kwon PARK
  • Apparatus and method for high efficiency variable power transmission
    Patent number: 9225176
    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: February 15, 2012
    Date of Patent: December 29, 2015
    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
  • Wireless power transmission system, and method of controlling transmission and reception of resonance power
    Patent number: 9214818
    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: Grant
    Filed: November 10, 2011
    Date of Patent: December 15, 2015
    Assignee: 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
  • Communication apparatus and communication method in wireless power transmission system
    Patent number: 9203464
    Abstract: An apparatus and method for performing communication in a wireless power transmission system are provided. The apparatus includes a channel search unit configured to search for communication channels other than a channel used in wireless power transmission, and measure state information of the communication channels. The apparatus includes a channel determining unit configured to determine a communication channel available for communication with a target device based on the measured state information. The apparatus includes a communication unit configured to transmit an access instruction to the target device using the determined communication channel. The apparatus includes a controller configured to determine whether to communicate with the target device using the determined communication channel based on whether a response signal corresponding to the access instruction is received.
    Type: Grant
    Filed: September 5, 2012
    Date of Patent: December 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park
  • Method and apparatus for controlling wireless power transmission
    Patent number: 9199545
    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: May 31, 2012
    Date of Patent: December 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong
  • APPARATUS FOR AND METHOD OF PROTECTING WIRELESS-COUPLED POWER DEVICES FROM OVERVOLTAGE, OVERCURRENT, AND OVERTEMPERATURE USING HYSTERESIS
    Publication number: 20150318713
    Abstract: An overvoltage protecting unit and an overcurrent protecting unit protect a power device from an overvoltage and an overcurrent using a comparator having hysteresis. An overtemperature protecting unit protects the power device from an overtemperature using a thermistor having a resistance that changes as a temperature of the thermistor changes.
    Type: Application
    Filed: July 10, 2015
    Publication date: November 5, 2015
    Applicant: Samsung Electronics Co., Ltd
    Inventors: Dong Zo KIM, Sang Wook KWON, Yun Kwon PARK, Eun Seok PARK, Young Tack HONG, Ki Young KIM, Young Ho RYU, Nam Yun KIM, Jin Sung CHOI, Chang Wook YOON
  • Apparatus and method for communication using wireless power
    Patent number: 9178568
    Abstract: An apparatus and method for communication using a wireless power are provided. The apparatus includes an amplifier configured to amplify an input signal based on a power supplied to the amplifier. The apparatus further includes a control unit configured to detect a change in an impedance of a target device, and to change the power based on the change in the impedance. The apparatus further includes a demodulation unit configured to receive a message from the target device, and to demodulate the message based on the changed power.
    Type: Grant
    Filed: May 30, 2012
    Date of Patent: November 3, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Young Tack Hong, Ki Young Kim, Young Ho Ryu, Dong Zo Kim, Jin Sung Choi, Chang Wook Yoon
  • Phase shifter using bulk acoustic wave resonator
    Patent number: 9166555
    Abstract: A phase shifter using a Bulk Acoustic Wave Resonators (BAWR) is provided. The phase shifter using a BAWR may use a property of a phase shift with respect to a frequency of the BAWR, and also use at least one capacitor, at least one inductor, and the like.
    Type: Grant
    Filed: March 18, 2013
    Date of Patent: October 20, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jea Shik Shin, Dal Ahn, Duck Hwan Kim, In Sang Song, Chul Soo Kim, Yun Kwon Park, Hyung Rak Kim
  • MAGNETIC FIELD ADJUSTING THREE-DIMENSIONAL FLEXIBLE RESONATOR FOR WIRELESS POWER TRANSMISSION SYSTEM
    Publication number: 20150295417
    Abstract: A stereoscopic flexible resonator is provided. The stereoscopic flexible stereoscopic resonator includes at least one cell, at least one resonator including a capacitor, and a connection unit configured to connect the cell and the resonator in a stereoscopic structure.
    Type: Application
    Filed: October 22, 2013
    Publication date: October 15, 2015
    Inventors: Jae Hyun Park, Young Ho Ryu, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park, Keum Su Song, Chi Hyung Ahn
  • Method and apparatus for controlling wireless power transmission and reception, and wireless power transmission system
    Patent number: 9160421
    Abstract: Provided are a transmission system and a wireless power transmission and reception controlling method. According to an embodiment, a wireless power receiver may include: a target communication unit configured to receive, from a wireless power transmitter, a wake-up request signal and synchronization information with respect to wireless power transmission, and to transmit a response signal with respect to the wake-up request signal to the wireless power transmitter; a load path switch configured to activate based on timing information included in the synchronization information; and a target resonator configured to receive wireless power from a source resonator of the wireless power transmitter, when the load path switch is activated.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: October 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Young Tack Hong, Ki Young Kim, Young Ho Ryu, Dong Zo Kim, Jin Sung Choi
  • Apparatus and method for data communication using wireless power
    Patent number: 9160417
    Abstract: According to one general aspect, a data communication apparatus using wireless power may include: a power signal detecting unit configured to detect a signal corresponding to a change in an impedance of a target device; a demodulating unit configured to demodulate a message from the target device from the detected signal using the detected signal and a carrier wave; and a source resonance unit configured to transmit the carrier wave to the target device.
    Type: Grant
    Filed: May 29, 2012
    Date of Patent: October 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong
  • Wireless power transmission system, and method and apparatus for allocating communication channel and transmitting power in wireless power transmission system
    Patent number: 9142997
    Abstract: A wireless power transmission system, and a method and an apparatus for allocating a communication channel and transmitting a power in the wireless power transmission system. If a target device configured to wirelessly receive power from a source device is detected, a controlling communication channel to be used for performing communication with the target device is selected. An initial control signal including an identifier (ID) of the source device and a channel fix command are transmitted to the target device through the selected controlling communication channel. The channel fix command includes a command requesting the target device to use the selected controlling communication channel. A charging power is transmitted from the source device to the target device through a magnetic coupling between the source device and the target device.
    Type: Grant
    Filed: June 1, 2012
    Date of Patent: September 22, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong
  • Apparatus and method for balanced power amplification
    Patent number: 9130515
    Abstract: An apparatus and a method for balanced power amplification are provided. An amplifier includes a splitter configured to split an input signal into a first input signal and a second input signal that include a 90° phase difference. The amplifier further includes a first power amplifier (PA) configured to amplify the first input signal to generate a first output signal. The amplifier further includes a second PA configured to amplify the second input signal to generate a second output signal. The amplifier further includes a combiner configured to combine the first output signal and the second output signal that include the 90° phase difference to generate an output signal.
    Type: Grant
    Filed: April 16, 2013
    Date of Patent: September 8, 2015
    Assignees: Samsung Electronics Co., Ltd., SUNGKYUNKWAN UNIVERSITY Foundation for Corporate Collaboration
    Inventors: Jin Sung Choi, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Eun Seok Park, Keum Su Song, Young Ho Ryu, Chang Wook Yoon, Youngoo Yang
  • Wireless power transmission and charging system, and impedance control method thereof
    Patent number: 9124122
    Abstract: A wireless power transmission and charging system and method are provided. The wireless power may refer to energy that may be transferred from a wireless power transmitter to a wireless power receiver. The wireless power transmission and charging system may include a source device to wirelessly transmit power, and a target device to wirelessly receive power.
    Type: Grant
    Filed: May 15, 2012
    Date of Patent: September 1, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park