Patents by Inventor Chun kil Jung

Chun kil Jung 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).

  • Patent number: 9660479
    Abstract: There is provided a wireless power transmitting device capable of simply being carried by a user and wirelessly transmitting a power to a power receiving device with a high transmission efficiency regardless of time and space. The wireless power transmitting device includes a power storage unit configured to store a direct current power, and a power transmitting unit configured to be operated by the direct current power stored in the power storage unit and to wirelessly transmit the power to a power receiving device.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: May 23, 2017
    Assignee: HANRIM POSTECH CO., LTD.
    Inventor: Chun-Kil Jung
  • Publication number: 20170141617
    Abstract: A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus.
    Type: Application
    Filed: November 22, 2016
    Publication date: May 18, 2017
    Applicant: INTEL CORPORATION
    Inventors: Chun-Kil JUNG, Yoon-Sang KUK
  • Patent number: 9653950
    Abstract: There is provided a wireless power transmitting device including a transmission coil configured to transmit a wireless power signal to a wireless power receiving device; a driving driver configured to generate a wireless power driving signal which is a driving signal for the wireless power signal; an alternating current sensor configured to detect an alternating current signal of the transmission coil which is generated by a wireless power receiving signal including wireless power receiving information of a wireless power receiving device; an alternating voltage sensor configured to detect an alternating voltage signal of the transmission coil, the alternating current signal being generated by the wireless power receiving signal from the wireless power receiving device; a signal processing unit configured to process the alternating current signal and the alternating voltage signal from the alternating current sensor and the alternating voltage sensor; and a wireless power transmitting controller that, when th
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: May 16, 2017
    Assignee: HANRIM POSTECH CO., LTD.
    Inventor: Chun-Kil Jung
  • Patent number: 9608697
    Abstract: Disclosed herein are a wireless power transmitting apparatus and method of wirelessly transmitting a power to a power receiving apparatus by selectively using one central coil and two side coils, wherein in the case in which each of the one central coil and the two side coils transmits the power, a reception power amount received by the power receiving apparatus is judged, at least one of the one central coil and the two side coils is selected as a power transmitting coil that is to transmit the power by the judged reception power amount, and the power is wirelessly transmitted to the power receiving apparatus through the selected power transmitting coil.
    Type: Grant
    Filed: September 21, 2012
    Date of Patent: March 28, 2017
    Assignee: HANRIM POSTECH CO., LTD.
    Inventors: Chun-Kil Jung, Yoon-Sang Kuk
  • Patent number: 9564263
    Abstract: Disclosed herein are a core assembly for wireless power communication, a power supplying device for wireless power communication having the same, and a method for manufacturing the same. The core assembly for wireless power communication includes: a plate shaped core including concave parts disposed in a main surface thereof and made of a magnetic material; a plurality of winding type coils received in the concave parts and partially overlapping each other; and a circuit board connected to both ends of each of the coils which controls application of a power to the coils.
    Type: Grant
    Filed: June 22, 2011
    Date of Patent: February 7, 2017
    Assignee: HANRIM POSTECH CO., LTD.
    Inventors: Yoon-Sang Kuk, Chun-Kil Jung
  • Publication number: 20170005518
    Abstract: The present invention provides a wireless power transmission apparatus installable on a wall, the wireless power transmission apparatus comprising: a housing configured to allow a wireless power reception apparatus to be placed thereon; a plug, a part of which is embedded in the housing, the plug being configured to be coupled with a socket for alternating current power installed on a wall; and a transmission unit which is embedded in the housing, converts an alternating current power supplied from the plug to a direct current power, and outputs a wireless power signal to the wireless power reception apparatus.
    Type: Application
    Filed: November 28, 2014
    Publication date: January 5, 2017
    Applicant: HANRIM POSTECH CO., LTD.
    Inventor: Chun-Kil JUNG
  • Patent number: 9531197
    Abstract: A non-contact power transmission apparatus accurately determines the kind of object that is placed on the charging deck of the non-contact power transmission apparatus, and, only when a non-contact power receiving apparatus is placed on the power transmission apparatus, allows power transmission and data communication to take place, thereby accurately determining the state of the receiver side and efficiently controlling the transmission of power. In the power transmission apparatus, the power supplied to the non-contact power receiving apparatus is measured, and the output power of the wireless power signal output from two different cores is controlled, thereby allowing the charging operation to be stably conducted even if the non-contact power receiving apparatus is moved anywhere on the power transmission apparatus.
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: December 27, 2016
    Assignee: Intel Corporation
    Inventors: Chun-Kil Jung, Yoon-Sang Kuk
  • Publication number: 20160372956
    Abstract: The present invention relates to a power control method and device in a wireless power transmission system. According to the present invention, even if a CEP packet is not transmitted from a wireless power reception device over a certain period of time, a wireless power transmission device may additionally determine whether the wireless power reception device is located in a charging area and sustainably perform charging.
    Type: Application
    Filed: November 14, 2014
    Publication date: December 22, 2016
    Applicant: HANRIM POSTECH CO., LTD.
    Inventors: Chun Kil JUNG, Soon Sang KWON
  • Patent number: 9479005
    Abstract: A wireless power receiving device and a power control method thereof. The wireless power receiving apparatus, includes: a secondary core configured to receive a wireless power signal from a primary core of a wireless power transmission apparatus; a magnetic sensor configured to detect a magnetic field generated from the primary core; and a receiving controller configured to transmit an error code to the wireless power transmission apparatus via the secondary core if a measured magnetic field value from the magnetic sensor is lower than a reference magnetic value and the communication with the wireless power transmission apparatus is available.
    Type: Grant
    Filed: March 23, 2012
    Date of Patent: October 25, 2016
    Assignee: HANRIM POSTECH CO., LTD.
    Inventors: Chun-Kil Jung, Yoon-Sang Kuk
  • Patent number: 9472336
    Abstract: Disclosed herein are a power transmitting coil used to wirelessly transmit a power and a wireless power transmitting apparatus wirelessly transmitting a power using the power transmitting coil. The power transmitting coil includes at least one first coil mounted on a central portion of a core in which, when the power transmitting coil transmits a power, a current flows in a first direction; and at least one second coil disposed at an outer side of the first coil in which, when the power transmitting coil transmits a power, a current flows in a second direction opposite to the first direction. The wireless power transmitting apparatus wirelessly transmits the power using the power transmitting coil including the first coil and the second coil.
    Type: Grant
    Filed: November 13, 2012
    Date of Patent: October 18, 2016
    Assignee: HANRIM POSTECH CO., LTD.
    Inventor: Chun-Kil Jung
  • Publication number: 20160254705
    Abstract: The present invention provides a signal processing method performed by a hybrid wireless power transmitting apparatus which is configured to transmit wireless power signals based on magnetic resonance and magnetic induction, the method comprising transmitting a first object detection signal via an inductive power transmitting unit and a second object detection signal via a magnetic resonant power transmitting unit alternatively; operating one of the inductive power transmitting unit and the magnetic resonant power transmitting unit which is selected based on an inductive response signal and a resonant response signal corresponding to the first object detection signal and the second object detection signal respectively; and transmitting wireless power signal via the selected power transmitting unit; and a hybrid wireless power transmitting apparatus using the method.
    Type: Application
    Filed: November 15, 2013
    Publication date: September 1, 2016
    Applicant: HANRIM POSTECH CO., LTD.
    Inventors: Chun-Kil JUNG, Byong-Uk HWANG
  • Publication number: 20160248272
    Abstract: A non-contact power reception apparatus is provided, in which a power reception coil for a charging system and a loop antenna for an electronic settlement system are mounted on a battery pack and a cover case of a portable terminal such that the power reception coil is arranged in the center thereof and the loop antenna is disposed outside the power reception coil, so that a mode of receiving a wireless power signal and a mode of transmitting and receiving data are selectively performed, thereby preventing interference from harmonic components and enabling non-contact charging and electronic settlement using a single portable terminal. A jig for fabricating a core to be mounted to the non-contact power reception apparatus is provided.
    Type: Application
    Filed: April 29, 2016
    Publication date: August 25, 2016
    Applicant: Hanrim Postech Co., Ltd.
    Inventors: Chun-Kil JUNG, Yoon-Sang KUK
  • Patent number: 9423439
    Abstract: An apparatus and method for detecting a foreign object in a wireless power transmitting system are provided. In a case in which a foreign object is not detected prior to charging, an attempt to detect a foreign object detection during charging is performed, and when a foreign object is not detected while a power signal is being received, power is limited based on a temperature sensor.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: August 23, 2016
    Assignee: HANRIM POSTECH CO., LTD.
    Inventors: Chun Kil Jung, Byong Uk Hwang
  • Patent number: 9419478
    Abstract: Aspects of the present invention relate to an apparatus and method for detecting foreign objects in a wireless power transmission system. This specification provides a wireless power reception apparatus for detecting foreign objects, including a power measurement unit for generating required power information indicative of required power for the wireless power reception apparatus, sending the required power information to a wireless power transmission apparatus, and measuring power induced from the wireless power transmission apparatus and a secondary coil for receiving the power induced from the wireless power transmission apparatus. In accordance with the present invention, foreign objects intervened between the wireless power transmission apparatus and the wireless power reception apparatus are recognized, and a user removes the foreign objects. Accordingly, damage to a device attributable to foreign objects can be prevented.
    Type: Grant
    Filed: December 6, 2013
    Date of Patent: August 16, 2016
    Assignee: HANRIM POSTECH CO., LTD.
    Inventors: Chun-Kil Jung, Sug Ky Hong
  • Publication number: 20160221459
    Abstract: A wireless power transmission device for a vehicle and a wireless charging method are provided. The wireless charging method by the wireless power transmission device for a vehicle can comprise the steps of: transmitting a signal for detection of a wireless power reception device by using a lower frequency band than an operating frequency band used to control the vehicle; receiving a response signal for the transmitted signal and a power control signal from the wireless power reception device; controlling an operating frequency and/or a voltage in the wireless power transmission device for the vehicle according to the power control signal; and transmitting wireless power to the wireless power reception device.
    Type: Application
    Filed: September 30, 2014
    Publication date: August 4, 2016
    Applicant: HANRIM POSTECH CO., LTD.
    Inventors: Chun Kil JUNG, Byong Uk HWANG
  • Patent number: 9391463
    Abstract: There are provided a device and a method for wirelessly transmitting a power in which a power is wirelessly transmitted to a power receiving device with high transmission efficiency. The wireless power transmitting device includes a first power transmitting coil configured to transmit a first power signal, a second power transmitting coil that is concentrically layered with the first power transmitting coil to transmit a second power signal, and a power supply unit configured to supply alternating current powers to the first power transmitting coil and the second power transmitting coil so as to allow the first power signal and the second power signal to have a phase difference of 180°.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 12, 2016
    Assignee: HANRIM POSTECH CO., LTD.
    Inventor: Chun-Kil Jung
  • Publication number: 20160164338
    Abstract: A wireless power charging system has a wireless power transmission apparatus formed to charge a plurality of wireless power receiving apparatuses located in a short distance therefrom, wherein the total charging time for the wireless power receiving apparatuses is saved. The wireless power transmission apparatus has a main control unit and a resonant converter unit, which transmit the electric signal to the wireless power receiving apparatus via the resonance signal generated from a primary charge core in order to charge the wireless power receiving apparatuses. The wireless power transmission apparatus also includes an output signal conversion module for transmitting a converted electric signal to the resonant converter unit and a received signal process module for processing a signal transmitted from the wireless power receiving apparatus.
    Type: Application
    Filed: February 17, 2016
    Publication date: June 9, 2016
    Applicant: INTEL CORPORATION
    Inventor: Chun-Kil JUNG
  • Patent number: RE46046
    Abstract: A non-contact power charging, in which power transmission can be interrupted when foreign materials are deposited on a charge plate of the non-contact power charging system. A charging operation can be continuously maintained at a stable voltage even if a non-contact power receiving apparatus moves by touching or displacement on the charge plate of the non-contact power charging system in the charging operation. Charging efficiency is improved.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: June 28, 2016
    Assignee: Intel Corporation
    Inventor: Chun-Kil Jung
  • Patent number: RE46391
    Abstract: Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devices so that a large number of the wireless power transmission devices can be charged with electricity, and preventing the damage of the wireless power transmission devices and the wireless multi-power transmission device although foreign substances are put on charger blocks that are not charged.
    Type: Grant
    Filed: January 31, 2013
    Date of Patent: May 2, 2017
    Assignee: Intel Corporation
    Inventor: Chun-Kil Jung
  • Patent number: RE46392
    Abstract: Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devices so that a large number of the wireless power transmission devices can be charged with electricity, and preventing the damage of the wireless power transmission devices and the wireless multi-power transmission device although foreign substances are put on charger blocks that are not charged.
    Type: Grant
    Filed: August 11, 2014
    Date of Patent: May 2, 2017
    Assignee: Intel Corporation
    Inventor: Chun-Kil Jung