Patents by Inventor Sang-wook Kwon

Sang-wook 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).

  • TOUCH SCREEN, TOUCH PANEL AND ELECTRONIC DEVICE HAVING SAME
    Publication number: 20180284915
    Abstract: A touch screen is disclosed. The touch screen comprises: a display panel displaying an image; and a touch panel detecting a touch of a user, wherein the touch panel comprises a 2D/3D touch pattern layer having a 2D touch electrode pattern and a 3D touch electrode pattern disposed on both sides of a substrate.
    Type: Application
    Filed: September 29, 2016
    Publication date: October 4, 2018
    Inventors: Sang-ho KIM, Seung-jin OH, Sang-wook KWON, Byung-jik KIM
  • Communication apparatus and communication method in wireless power transmission system
    Patent number: 10091799
    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: November 30, 2015
    Date of Patent: October 2, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Yun Kwon Park
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20180249388
    Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE. Disclosed is a method for receiving data in a wireless communication system, comprising the steps of: receiving, by a terminal, transmission point change information from a first base station connected to a gateway; receiving, by the terminal, the data transmitted from the gateway to the first base station through a second base station serving the terminal; and re-receiving, by the terminal, data, of which the transmission has failed, through a third base station according to a change of a transmission point from the second base station to the third base station on the basis of the transmission point change information, when data transmission from the second base station to the terminal has failed.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 30, 2018
    Inventors: Sang-Kyu BAEK, June HWANG, Hyun-Jeong KANG, Sang-Wook KWON, Anil AGIWAL, Kyung-Kyu KIM, Young-Joong MOK, Young-Bin CHANG
  • METHOD AND APPARATUS FOR IMPLEMENTING WIRELESS PROTOCOL CONFIGURABLE ACCORDING TO SERVICES AND DEVICES
    Publication number: 20180249513
    Abstract: Disclosed is a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. A method for communicating with user equipment (UE) by a base station is disclosed. The method comprises the steps of: identifying a type of one or more services required by the UE; notifying the UE of information on a configuration of a medium access control (MAC) layer and a physical (PHY) layer configured according to the identified type of one or more services; and communicating with the UE on the basis of the information on the configuration of the MAC layer and the PHY layer configured according to the identified type of one or more services.
    Type: Application
    Filed: August 30, 2016
    Publication date: August 30, 2018
    Inventors: Young-Bin CHANG, Anil AGIWAL, Sang-Wook KWON, Hyun-Jeong KANG, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK, June HWANG
  • METHOD AND APPARATUS FOR CHANGING BASE STATION IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20180249390
    Abstract: The present disclosure relates to a 5G or pre-5G communication system that is to support higher data transmission rates after 4G communication systems such as LTE. A method, by a MeNB, for switching a SeNB communicating with a UE in a wireless communication system, provided in an embodiment of the present disclosure, includes receiving, from the UE, a measurement report (MR) of the at least two SeNB neighboring with the UE, determining whether predetermined switch criteria are satisfied based on the MR, and transmitting, to the UE and a first SeNB or a second SeNB, a switch message indicating switching of an SeNB cooperating with the MeNB for communication with the UE from the first SeNB to the second SeNB, based on whether the switch criteria are satisfied.
    Type: Application
    Filed: August 22, 2016
    Publication date: August 30, 2018
    Inventors: Anil AGIWAL, June HWANG, Hyun-Jeong KANG, Young-Bin CHANG, Sang-Wook KWON, Kyung-Kyu KIM, Young-Joong MOK, Sang-Kyu BAEK
  • 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
  • PORTABLE DEVICE AND WIRELESS POWER CHARGING SYSTEM FOR PORTABLE DEVICE
    Publication number: 20180198316
    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: Application
    Filed: March 8, 2018
    Publication date: July 12, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Nam Yun KIM, Sang Wook KWON
  • WIRELESS POWER TRANSMITTER, ELECTRONIC DEVICE AND CONTROLLING METHOD THEREOF
    Publication number: 20180183259
    Abstract: A wireless power transmitter includes: an antenna for transmitting a plurality of detection powers, each of which includes direction information, in a plurality of directions, respectively; a communication circuit for receiving a communication signal including first direction information included in a first detection power from an electronic device which receives the first detection power among the plurality of detection powers; and a processor for controlling to transmit power for charging based on the first direction information included in the communication signal.
    Type: Application
    Filed: December 22, 2017
    Publication date: June 28, 2018
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyung-Woo LEE, Sang-Wook KWON
  • Apparatus and method for providing service in vehicle to everything communication system
    Patent number: 10002536
    Abstract: The present disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as a long term evolution (LTE). A method for providing a service in a first device in a vehicle to everything (V2X) communication system is provided. The method includes transmitting a first message related to the service; receiving, from a second device, a second message notifying that the second device enters a zone related to the service; and transmitting, to the second device, a third message indicating that the first device confirms that the second device enters the zone.
    Type: Grant
    Filed: July 14, 2016
    Date of Patent: June 19, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Kyung-Kyu Kim, Hyun-Jeong Kang, Sang-Wook Kwon, Young-Joong Mok
  • 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
  • METHOD AND APPARATUS FOR ALLOCATING RESOURCE IN COMMUNICATION SYSTEM
    Publication number: 20180124819
    Abstract: The present disclosure relates 5G or pre-5G communication systems for supporting higher data transmission rate than those by LTE or other post-4G communication systems. According to an embodiment of the present disclosure, a method for allocating a resource in a communication system includes determining a beam to be used for data communication between a UE and the base station based on beam feedback information from the UE. The method also includes releasing resource allocation for a beam used previously depending on whether the determined beam is changed from the previously used beam, allocating a resource for the determined beam, and transmitting information related to the resource allocation for the determined beam to the UE.
    Type: Application
    Filed: October 27, 2017
    Publication date: May 3, 2018
    Inventors: Sang-Wook Kwon, Anil Agiwal, Young-Bin Chang
  • Method and apparatus for transmitting radio link control status report in communication system based on multiple radio access technologies
    Patent number: 9955388
    Abstract: A method for transmitting a status report in a communication system based on multiple Radio Access Technologies (RATs) is provided. The method includes, when missing sequence numbers are detected from sequence numbers of packets stored in a reception buffer, identifying whether there are one or more sequence numbers which have not been received due to a transmission delay time difference between the multiple RATs in the missing sequence numbers, and when there are one or more sequence numbers in the missing sequence numbers, delaying transmission of the status report.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: April 24, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ha-Kyung Jung, Sang-Wook Kwon, Jung-Shin Park, Yeong-Moon Son, Sang-Jin Kim
  • METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING DATA IN WIRELESS COMMUNICATION SYSTEM
    Publication number: 20180098180
    Abstract: The present disclosure relates to a 5G or pre-5G communication system for supporting a data transmission rate higher than that of a 4G communication system, such as LTE, and subsequent systems. According to one embodiment of the present disclosure, a method by which a transmission device transmits data in a wireless communication system for supporting device-to-device communication comprises the steps of: separating, from one video container data, video data and video-related data simultaneously outputted together with the video data; outputting the video data; and generating a message including the information related to the time at which the video-related data and the video data are outputted, so as to transmit the generated message to a reception device.
    Type: Application
    Filed: April 7, 2016
    Publication date: April 5, 2018
    Inventors: Young-Bin CHANG, Sang-Wook KWON, Kyung-Kyu KIM, Young-Joong MOK, Anil AGIWAL, Jong-Hyung KWUN
  • Portable device and wireless power charging system for portable device
    Patent number: 9935489
    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: May 2, 2017
    Date of Patent: April 3, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon
  • 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