Patents by Inventor Yun KWON

Yun KWON 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).

  • Wireless power transmission system based on cell division
    Patent number: 10050479
    Abstract: A wireless power transmission system based on cell division is provided. A communication and power control method of the wireless power transmission system, includes setting a magnetic coupling zone. The method further includes detecting a target device in the magnetic coupling zone. The method further includes transmitting a power to the target device. The method further includes adjusting an amount of the power based on a transmission efficiency of the power.
    Type: Grant
    Filed: July 25, 2016
    Date of Patent: August 14, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Seok Park, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Young Ho Ryu, Chang Wook Yoon, Jin Sung Choi, Young Tack Hong
  • Apparatus and method for communication using wireless power
    Patent number: 10038476
    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: November 2, 2015
    Date of Patent: July 31, 2018
    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
  • DISPLAY APPARATUS AND CONTROL METHOD THEREOF
    Publication number: 20180203575
    Abstract: A display apparatus is provided. The display apparatus includes a display, an input receiver comprising input receiving circuitry, and a controller. The input receiver receives an input, e.g., a user input. The controller displays a user interface (UI) including a plurality of menu items on the display, performs a function corresponding to a menu item selected based on the input from among the plurality of menu items, determines whether the function has been used based on a type of the function performed, and changes a configuration of the plurality of menu items based on the determination. With this, the display apparatus may provide menu items corresponding to frequently or more used functions to allow a user to easily access thereto, thereby improving user convenience.
    Type: Application
    Filed: November 9, 2017
    Publication date: July 19, 2018
    Inventor: Oh-yun KWON
  • Wireless power transmission system and method for increasing coupling efficiency by adjusting resonant frequency
    Patent number: 9997959
    Abstract: A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: June 12, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Young Kim, Eun Seok Park, Young Ho Ryu, Sang Wook Kwon, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Chang Wook Yoon, Jin Sung Choi, Young Tack Hong
  • Method of power transmitting unit (PTU) for determining location of power receiving unit (PRU), and PTU employing the method
    Patent number: 9985458
    Abstract: A power transmitting unit (PTU) transmits a power wirelessly based on a location of a power receiving unit (PRU). The PTU determines whether the PRU is located within a charging area of the PTU based on frequency information corresponding to an inflection point detected on a curve of electrical characteristics of a resonator of the PTU.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: May 29, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bong Chul Kim, Sang Wook Kwon, Ki Young Kim, Dong Zo Kim, Yun Kwon Park, Jae Hyun Park, Keum Su Song, Chi Hyung Ahn, Young Ho Ryu, Byoung Hee Lee
  • Wireless power transmitter, wireless power relay apparatus, and wireless power receiver
    Patent number: 9984814
    Abstract: A wireless power transmitter includes a source resonator configured to wirelessly transmit power via magnetic coupling with a target resonator; and an impedance adjusting unit configured to adjust an impedance of the source resonator using a plurality of impedance-matching bars located in the source resonator.
    Type: Grant
    Filed: July 10, 2013
    Date of Patent: May 29, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Keum Su Song, Sang Wook Kwon, Ki Young Kim, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Eun Seok Park, Chi Hyung Ahn, Young Ho Ryu, Chang Wook Yoon, Jin Sung Choi
  • Apparatus for and method of protecting wireless-coupled power devices from overvoltage, overcurrent, and overtemperature using hysteresis
    Patent number: 9966799
    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: Grant
    Filed: July 10, 2015
    Date of Patent: May 8, 2018
    Assignee: 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
  • Device and method for displaying user interface of virtual input device based on motion recognition
    Patent number: 9965039
    Abstract: A display device includes a user interface (UI) generator configured to generate a UI of the virtual input device; a camera configured to photograph a user's gesture; and a controller configured to compare the photographed user's gesture with a user's gesture stored in the template and to control the UI generator to display a UI of a virtual input device corresponding to the matched user's gesture.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: May 8, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Oh-yun Kwon
  • Transdermal Delivery Systems
    Publication number: 20180110739
    Abstract: Disclosed are bupivacaine transdermal delivery systems, and related methods.
    Type: Application
    Filed: September 5, 2017
    Publication date: April 26, 2018
    Applicant: Durect Corporation
    Inventors: Su Il Yum, Sung Yun Kwon, Xiaoping Song, James E Brown
  • Display apparatus and control method thereof
    Patent number: 9953615
    Abstract: A display apparatus including: a display configured to display an image; and at least one processor configured to, in response to beginning a viewer fatigue reduction function, determine whether a change characteristic of an image displayed on the display during a first time interval of an image signal corresponds to a suitable section for the viewer fatigue reduction function, and control the display to decrease a viewing fatigue level of the displayed image during the determined suitable section.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: April 24, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Oh-yun Kwon
  • ELECTRONIC DEVICE FOR PERFORMING CHARGING AND METHOD FOR CONTROLLING THE SAME
    Publication number: 20180102663
    Abstract: An electronic device for charging a battery is provided. The electronic device includes a first path configured to receive a first power of a first voltage from an adapter, a second path configured to receive a second power of a second voltage from the adapter, a charger, connected to the first path, configured to receive the first power, adjust at least one of a voltage or a current of the first power, and provide the adjusted first power to the battery; and a processor configured to control to connect the second path to the battery during fast charging to directly connect the battery to the adapter.
    Type: Application
    Filed: September 27, 2017
    Publication date: April 12, 2018
    Inventors: Ji-Hoon JUNG, Bong-Chul KIM, Pradipta PATRA, Ki-Young KIM, Yun-Kwon PARK
  • Wireless power transmission system and method for increasing coupling efficiency by adjusting resonant frequency
    Patent number: 9935496
    Abstract: A wireless power transmission system and a method for increasing a coupling efficiency by adjusting a resonant frequency are provided. A device of the wireless power transmission system includes a resonator configured to transmit a wireless power, and a communication unit configured to receive information from another device. The device further includes a controller configured to determine a power transmission efficiency based on the information, and adjust a resonant frequency of the device, a resonant frequency of a relay device, and a resonant frequency of the other device, if the power transmission efficiency is less than or equal to a predetermined reference efficiency.
    Type: Grant
    Filed: January 16, 2013
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Young Kim, Eun Seok Park, Young Ho Ryu, Sang Wook Kwon, Nam Yun Kim, Dong Zo Kim, Yun Kwon Park, Chang Wook Yoon, Jin Sung Choi, Young Tack Hong
  • RESONANCE POWER TRANSMISSION SYSTEM BASED ON POWER TRANSMISSION EFFICIENCY
    Publication number: 20180083486
    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: Application
    Filed: November 27, 2017
    Publication date: March 22, 2018
    Applicant: 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
  • FOCUSED ULTRASOUND OPERATION APPARATUS
    Publication number: 20180055478
    Abstract: Disclosed is a focused ultrasound operation apparatus that includes: an operation hand piece that includes a handle unit that is used as a handle for a user; a cartridge that includes an ultrasound treatment unit, which generates a focused ultrasound, and has the shape of a circular cylinder or bar, the cartridge being attached to, and detached from, the operation hand piece; a window provided on the cartridge to pass the focused ultrasound generated by the ultrasound treatment unit; and a driver that drives the ultrasound treatment unit to move the ultrasound treatment unit forward and backward.
    Type: Application
    Filed: September 2, 2015
    Publication date: March 1, 2018
    Applicant: HIRONIC CO., LTD.
    Inventors: Moon Seok CHOI, Seon Tai KIM, Sung Won LEE, Jin Woo LEE, Jun Hyung LEE, Sang Hyeon HWANG, Tae Yun KWON
  • METHOD AND APPARATUS FOR CONTROLLING INTERFERENCE IN WIRELESS POWER TRANSMISSION SYSTEM
    Publication number: 20180062450
    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: Application
    Filed: November 2, 2017
    Publication date: March 1, 2018
    Applicant: 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
  • Method and apparatus for synchronization control in wireless power transmission system
    Patent number: 9906045
    Abstract: A method of synchronization control of a power transmitting unit (PTU) includes network-connecting a PTU to a PTU operating in a slave mode by setting an operation mode of the PTU to a master mode, and transmitting a signal to a power receiving unit (PRU) by controlling either one or both of a communication time and a communication frequency of the PTU operating in the slave mode.
    Type: Grant
    Filed: July 15, 2014
    Date of Patent: February 27, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Hyuk Choon Kwon, Ki Young Kim, Bong Chul Kim, Yun Kwon Park
  • Method and apparatus for tuning CAN communication model
    Patent number: 9893954
    Abstract: A method of tuning a controller area network (CAN) communication model includes: measuring a CAN signal waveform, dividing the CAN signal waveform into a steady period and a dynamic period, determining a parameter for the steady period, determining a parameter for the dynamic period, modeling a CAN line using the parameter for the steady period and the parameter for the dynamic period, and performing error analysis on the CAN line.
    Type: Grant
    Filed: July 14, 2015
    Date of Patent: February 13, 2018
    Assignees: Hyundai Motor Company, Wise Automotive Corporation
    Inventors: Hae Yun Kwon, Xuefeng Jin, Jea Hong Park
  • Apparatus and method for transmitting and receiving wireless power
    Patent number: 9881733
    Abstract: An apparatus that transmits and receives wireless power, includes a controller configured to determine whether the apparatus is to operate in a power reception mode or a power transmission mode based on a capacity of a battery of the apparatus, and a capacity of a battery of another apparatus. The apparatus further includes a resonator configured to receive power from the other apparatus in response to the apparatus being determined to operate in the power reception mode, and transmit power to the other apparatus in response to the apparatus being determined to operate in the power transmission mode.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Ki Young Kim, Yun Kwon Park, Chang Wook Yoon
  • Method and apparatus for detecting efficiency of wireless power transmission
    Patent number: 9882426
    Abstract: Provided are a method and apparatus for detecting an efficiency of a wireless power transmission. An output power of a source device may be adjusted based on current that is flowing in a power converter of the source device. The efficiency of wireless power transmission may be calculated based on the adjusted output power, and an amount of power used by a target device.
    Type: Grant
    Filed: May 31, 2012
    Date of Patent: January 30, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong
  • TRIBOELECTRIC GENERATION DEVICE
    Publication number: 20180013359
    Abstract: The present disclosure enables materials of a triboelectric charging member to exhibit a characteristic of increased surface charge density, thereby improving output of a triboelectric generating device. Accordingly, the present disclosure provides a triboelectric generating device showing improved output without increasing a size of the triboelectric generating device or without increasing amounts of materials required for the triboelectric generating device.
    Type: Application
    Filed: November 27, 2015
    Publication date: January 11, 2018
    Inventors: Young-jun PARK, Sang-woo KIM, Yun-kwon PARK, Wan chul SEUNG, Hong-joon YOON, Keun young LEE, Jeong hwan LEE, Ju-hyuck LEE