Patents by Inventor Young-tack Hong

Young-tack Hong 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 TRANSMITTING AND CHARGING SYSTEM, AND METHOD FOR CONTROLLING COMMUNICATION AND POWER IN THE WIRELESS POWER TRANSMITTING AND CHARGING SYSTEM
    Publication number: 20140346888
    Abstract: Disclosed are a wireless power transmitting and charging system, and a method for controlling communication and power in the wireless power transmitting and charging system, with wireless power referring to energy transferred from a wireless power transmitting apparatus to a wireless power receiving apparatus through a magnetic coupling. Thus, the wireless power transmitting and charging system includes a source device for wirelessly transmitting power, and a target device for wirelessly receiving power.
    Type: Application
    Filed: July 6, 2012
    Publication date: November 27, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Young Tack Hong
  • Resonance power receiver that includes a plurality of resonators
    Patent number: 8890367
    Abstract: Provided is a resonance power receiver, including a first resonator, a second resonator to receive a resonance power and a phase shifter to shift the phase of the signal received via the second resonator such that the signal received via the first resonator and the signal received via the second resonator are in phase.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: November 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Young Tack Hong, Eun Seok Park, Young Ho Ryu
  • Apparatus and method for anti-collision in wireless power transmission
    Patent number: 8842635
    Abstract: Provided is an anti-collision method and apparatus used during wireless power transmission with respect to a plurality of target devices. According to one general aspect, an anti-collision method in wireless power transmission may include: transmitting, from a source device to one or more target devices, an access standard instruction including an access standard that is used for identifying the target devices; transmitting, to the one or more target devices, a call parameter used to detect identifications (IDs) of the target devices, generated based on the access standard; and assigning, to the one or more target devices, control IDs based on response signals that the one or more target devices transmits in response to the call parameter.
    Type: Grant
    Filed: May 4, 2012
    Date of Patent: September 23, 2014
    Assignees: Samsung Electronics Co., Ltd., LCLINK Co., Ltd.
    Inventors: Nam Yun Kim, Chang Ho Lee, Sang Wook Kwon, Yun Kwon Park, Young Tack Hong
  • Wireless power transceiver and wireless power system
    Patent number: 8829724
    Abstract: A wireless power transceiver that is disposed between a source resonator and a target resonator and that may increase wireless power transmission efficiency is provided. The wireless power transceiver may include a power receiver that includes a receiving resonator that receives an inbound power from a source resonator, a power transmitter that includes a transmitting resonator that transmits an outbound power to a target resonator, and a coupling controller to control a coupling frequency between the target resonator and the transmitting resonator.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: September 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Ho Ryu, Eun Seok Park, Sang Wook Kwon, Young Tack Hong, Nam Yun Kim
  • Roof type charging apparatus using resonant power transmission
    Patent number: 8829849
    Abstract: Provided is a roof-type charging apparatus that charges multi-target device, while transmitting a resonance power. A roof-type charging apparatus using resonance power transmission includes a source resonance unit configured to transmit resonance power including a source resonator having a generally planar loop configuration and defining a space therein; a receiving unit configured to receive the resonance power transmitted from the source resonator; and a connecting unit configured to separate the source resonator and the receiving unit by a predetermined distance.
    Type: Grant
    Filed: August 15, 2011
    Date of Patent: September 9, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong Zo Kim, Sang Wook Kwon, Yun Kwon Park, Eun Seok Park, Young Tack Hong, Young Ho Ryu, Nam Yun Kim, Jin Sung Choi
  • Resonance power receiving apparatus and method with wireless power transform function, and resonance device
    Patent number: 8754548
    Abstract: Provided is a wireless power transmission system including a wireless power transmission function. The wireless power transmission system may be included in a set-up box and may include a source unit that transmits a resonance power to a resonance power receiving apparatus. A target resonance unit that receives the resonance power may be included in the resonance power receiving apparatus.
    Type: Grant
    Filed: April 4, 2011
    Date of Patent: June 17, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Tack Hong, Nam Yun Kim, Sang Wook Kwon, Eun Seok Park, Young Ho Ryu
  • Method and apparatus for wireless power transmission using power receiver
    Patent number: 8730697
    Abstract: A rectifier is provided. The rectifier includes a first rectification unit having an anode connecting to a negative radio frequency (RF) port and a cathode connecting to a positive direct current (DC) port, a second rectification unit having an anode connecting to a positive RF port and a cathode connecting to the positive DC port, a third rectification unit having an anode connecting to a ground and a cathode connecting to the negative RF port, and a fourth rectification unit having an anode connecting to the ground and a cathode connecting to the positive RF port. The first rectification unit includes a plurality of first diodes that are connected in parallel, and the second rectification unit includes a plurality of second diodes that are connected in parallel.
    Type: Grant
    Filed: May 16, 2012
    Date of Patent: May 20, 2014
    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 of tracking of resonant impedance in resonance power transfer system
    Patent number: 8704534
    Abstract: A resonance power transfer system and a method for tracking resonant impedance in the resonance power transfer system are provided. An apparatus for tracking resonant impedance in a resonance power transfer system may include: a load sensor configured to detect the impedance of a load connected to a target device that receives resonance power; a target reflection signal detector configured to detect a reflection signal corresponding to the resonance power; a target impedance tracking unit configured to track the resonant impedance by adjusting a determination factor of a resonant frequency; and a target control unit configured to control the tracking of the resonant impedance based on whether there is a change of the impedance of the load, the reflection signal is detected, or both.
    Type: Grant
    Filed: August 16, 2011
    Date of Patent: April 22, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Sang Wook Kwon, Eun Seok Park, Young Tack Hong, Young Ho Ryu
  • Resonance power generation apparatus
    Patent number: 8674557
    Abstract: Provided are a resonance power generation apparatus and method for wireless power transmission. The resonance power generation apparatus may include a voltage controller to receive an input of an alternating current (AC) signal of a first frequency band and to output a direct current (DC) voltage having a constant level, a power converter to separate the DC voltage into a voltage waveform and a current waveform by a switching pulse signal of a second frequency band, and a resonance power generator to generate an AC resonance power from the voltage waveform and the current waveform.
    Type: Grant
    Filed: April 5, 2011
    Date of Patent: March 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Eun Seok Park, Sang Wook Kwon, Young Tack Hong, Young Ho Ryu
  • Apparatus for wireless power transmission using high Q low frequency near magnetic field resonator
    Patent number: 8653909
    Abstract: An apparatus for wireless power transmission is disclosed. According to an exemplary aspect, the wireless power transmission apparatus includes a high Q low frequency near magnetic field resonator having characteristics of a metamaterial. Accordingly, manufacturing of a compact power supply capable of wirelessly supplying power to mobile communication terminals or multimedia terminals is possible. By using a zeroth-order resonator with a DNG or ENG structure, a small-sized power supply with a simple configuration may be manufactured.
    Type: Grant
    Filed: November 17, 2009
    Date of Patent: February 18, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun-seok Park, Sang-wook Kwon, Jea-shik Shin, Young-tack Hong
  • Resonance power generator
    Patent number: 8611111
    Abstract: A resonance power generator is provided. The resonance power generator includes an alternating current/direct current (AC/DC) rectifier to rectify an input signal of an alternating voltage and an AC generator to generate an AC signal based on the rectified signal that is output from the AC/DC rectifier. The resonance power generator may also include, for example, a control unit to control a frequency of the AC signal, a filter unit to remove a spurious signal or a harmonic element included in the AC signal, a voltage/current amplifier to amplify the AC signal, and a source resonator to transmit a power to a target resonator.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: December 17, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Young Tack Hong, Sang Wook Kwon, Eun Seok Park, Young Ho Ryu
  • Load impedance decision device, wireless power transmission device, and wireless power transmission method
    Patent number: 8604644
    Abstract: A load impedance decision device, a wireless power transmission device, and a wireless power transmission method are provided. At least one of a distance and an angle between two resonators may be measured. A load impedance may be determined based on at least one of the measured distance and the measured angle. When the distance between the two resonators changes, a high power transfer efficiency may be maintained without using a separate matching circuit. Where the load impedance is determined, a test power may be transmitted. Depending on a power transfer efficiency of the test power, the load impedance may be controlled and power may be wirelessly transmitted from the source resonator to the target resonator.
    Type: Grant
    Filed: November 15, 2012
    Date of Patent: December 10, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Eun Seok Park, Sang Wook Kwon, Young-tack Hong
  • Resonance power generator and method, and resonance power receiver and method
    Patent number: 8598746
    Abstract: Provided is a resonance power generator and a resonance power receiver, and methods thereof. The resonance power generator may include a frequency generator to receive a direct current (DC) voltage, and to generate a power carrier signal, a high voltage matching transformer to be adjusted to enable an output voltage to be greater than an input voltage, a high current matching transformer to be adjusted to enable an output current to be greater than an input current, a switching unit to switch between the high voltage matching transformer and the high current matching transformer, a control unit to control the switching unit in accordance with an input signal, and a power resonator to transmit a power to a target resonator.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: December 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Nam Yun Kim, Young Tack Hong, Sang Wook Kwon, Eun Seok Park, Young Ho Ryu
  • Wireless power transmission method
    Patent number: 8571609
    Abstract: A wireless power transmission method is provided. The method includes exchanging information for wireless power transmission between a wireless power transmission device and a terminal, in order to determine a communication protocol.
    Type: Grant
    Filed: December 16, 2010
    Date of Patent: October 29, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan Soo Hwang, Eun Seok Park, Sang Wook Kwon, Young Tack Hong
  • High efficiency resonator for wireless power transmission
    Patent number: 8558644
    Abstract: Provided is a resonator for a wireless power transmission, the resonator including a transmission line unit including a plurality of transmission line sheets arranged in parallel, and a capacitor provided at a predetermined position of the transmission line unit.
    Type: Grant
    Filed: December 14, 2010
    Date of Patent: October 15, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Young Ho Ryu, Eun Seok Park, Sang Wook Kwon, Young Tack Hong, Nam Yun Kim, Jung Hae Lee, Jae Hyun Park, Byung Chul Park
  • WIRELESS POWER TRANSMISSION SYSTEM AND METHOD FOR INCREASING COUPLING EFFICIENCY BY ADJUSTING RESONANT FREQUENCY
    Publication number: 20130249306
    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: Application
    Filed: January 16, 2013
    Publication date: September 26, 2013
    Applicant: 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
  • WIRELESS POWER TRANSMISSION SYSTEM WITH ENHANCED MAGNETIC FIELD STRENGTH
    Publication number: 20130134791
    Abstract: A wireless power transmission system with an enhanced magnetic field strength is provided. A wireless power transmitter includes a generator configured to generate a power. The wireless power transmitter further includes a resonator configured to generate a magnetic field to transmit the power to a target device. The wireless power transmitter further includes a slab unit configured to enhance the magnetic field.
    Type: Application
    Filed: September 14, 2012
    Publication date: May 30, 2013
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eun Seok PARK, Ki Young KIM, Young Ho RYU, Sang Wook KWON, Nam Yun KIM, Dong Zo KIM, Yun Kwon PARK, Chang Wook YOON, Jin Sung CHOI, Young Tack HONG
  • WIRELESS POWER TRANSMISSION SYSTEM AND MULTI-MODE RESONATOR IN WIRELESS POWER TRANSMISSION SYSTEM
    Publication number: 20130134793
    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: Application
    Filed: November 26, 2012
    Publication date: May 30, 2013
    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
  • WIRELESS POWER TRANSMISSION SYSTEM BASED ON CELL DIVISION
    Publication number: 20130134927
    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: Application
    Filed: September 14, 2012
    Publication date: May 30, 2013
    Applicant: 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
  • METHOD AND APPARATUS FOR DATA COMMUNICATION IN WIRELESS POWER TRANSMISSION
    Publication number: 20130130621
    Abstract: A method and apparatus for data communication in wireless power transmission are provided. A wireless power transmitter includes a resonance antenna configured to wirelessly transmit a power to a wireless power receiver, and receive a signal from the wireless power receiver, the signal including a sub-carrier. The wireless power transmitter further includes a controller configured to receive the signal from the resonance antenna, and receive data from the wireless power receiver based on the sub-carrier.
    Type: Application
    Filed: July 26, 2012
    Publication date: May 23, 2013
    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, Young Tack HONG, Jin Sung CHOI, Chang Wook YOON, Jong Won YU, Wang Sang LEE, Hyeong Seok JANG