Patents by Inventor Taek-Kyun Choi

Taek-Kyun Choi 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: 10111321
    Abstract: Various embodiments related to a printed circuit board in which a capacitor is embedded are described. The capacitor may include: a plurality of first conductive layers that have a plurality of first via holes; a plurality of second conductive layers that have a plurality of second via holes, wherein the first and second conductive layers are alternately arranged in turns; and a plurality of dielectric layers that are arranged between the first and second conductive layers. Other various embodiments are possible.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: October 23, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung-Won Park, Dong-Kyun Yu, Ji-Heon Yu, Seung-Yup Lee, Taek-Kyun Choi
  • Publication number: 20160242291
    Abstract: Various embodiments related to a printed circuit board in which a capacitor is embedded are described. The capacitor may include: a plurality of first conductive layers that have a plurality of first via holes; a plurality of second conductive layers that have a plurality of second via holes, wherein the first and second conductive layers are alternately arranged in turns; and a plurality of dielectric layers that are arranged between the first and second conductive layers. Other various embodiments are possible.
    Type: Application
    Filed: February 17, 2016
    Publication date: August 18, 2016
    Inventors: Sung-Won PARK, Dong-Kyun YU, Ji-Heon YU, Seung-Yup LEE, Taek-Kyun CHOI
  • Patent number: 9094885
    Abstract: A portable terminal is configured to support a handoff between heterogeneous networks. The portable terminal includes a first communication unit, a second communication, a coverage identifying unit, and a switching unit. The first communication unit communicates with a mobile communication network. The second communication unit communicates with a heterogeneous network. The coverage identifying unit identifies entry of the portable terminal into a heterogeneous network area while performing a call connection through the mobile communication network. The switching unit attempts call connection through the heterogeneous network while maintaining the call connection through the mobile communication network when the entry of the portable terminal into the heterogeneous network area is identified.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: July 28, 2015
    Assignee: Samsung Electronics Co., Ltd
    Inventor: Taek-Kyun Choi
  • Publication number: 20120188982
    Abstract: A portable terminal is configured to support a handoff between heterogeneous networks. The portable terminal includes a first communication unit, a second communication, a coverage identifying unit, and a switching unit. The first communication unit communicates with a mobile communication network. The second communication unit communicates with a heterogeneous network. The coverage identifying unit identifies entry of the portable terminal into a heterogeneous network area while performing a call connection through the mobile communication network. The switching unit attempts call connection through the heterogeneous network while maintaining the call connection through the mobile communication network when the entry of the portable terminal into the heterogeneous network area is identified.
    Type: Application
    Filed: January 25, 2012
    Publication date: July 26, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Taek-Kyun Choi
  • Publication number: 20120142396
    Abstract: An antenna device for a mobile communication terminal includes three antennas, a first RF module unit, a second RF module unit, and a control unit. The RF module unit is configured to communicate a signal of a first communication service through the first antenna. The second RF module unit is configured to communicate a signal of a second communication service through the second antenna. The control unit is configured to connect the third antenna to the first RF module unit or the second RF module unit selectively according to a selected communication service, operate the first and third antennas as a diversity antenna for the first communication service, and operate the second and third antennas as a MIMO antenna for the second communication service.
    Type: Application
    Filed: December 6, 2011
    Publication date: June 7, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventor: Taek-Kyun Choi
  • Patent number: 7305250
    Abstract: A method and apparatus is provided to simultaneously perform a TV reception function and a calling function in a multimode mobile phone supporting two or more communication services. The apparatus comprises a first RF switch separating a received signal into N communication services; M diplexers associated with the communication services, for separating a signal received from the first RF switch into a call signal and a TV signal; a second RF switch for applying the TV signal received from the diplexers to a TV tuner; and a controller for controlling an overall operation of the multimode mobile phone and controlling the first RF switch and the second RF switch according to the received signal.
    Type: Grant
    Filed: March 24, 2004
    Date of Patent: December 4, 2007
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Taek-Kyun Choi
  • Publication number: 20040259594
    Abstract: A method and apparatus is provided to simultaneously perform a TV reception function and a calling function in a multimode mobile phone supporting two or more communication services. The apparatus comprises a first RF switch separating a received signal into N communication services; M diplexers associated with the communication services, for separating a signal received from the first RF switch into a call signal and a TV signal; a second RF switch for applying the TV signal received from the diplexers to a TV tuner; and a controller for controlling an overall operation of the multimode mobile phone and controlling the first RF switch and the second RF switch according to the received signal.
    Type: Application
    Filed: March 24, 2004
    Publication date: December 23, 2004
    Inventor: Taek-Kyun Choi
  • Publication number: 20040214541
    Abstract: An apparatus and method for transmitting a signal of a moving image in a mobile communication terminal capable of reproducing the moving image. The apparatus includes an input section for generating signals for capturing and transmitting a moving image signal which is being reproduced; a control section for generating, according to the signals generated by the input section, a command signal for capture and transmission of the moving image signal which is being reproduced, the control section controlling the moving image signal to be displayed and simultaneously the displayed image to be captured and transmitted; a memory for storing the image captured according to a capture command generated by the control section; and a transmission section for transmitting the captured image stored in the memory.
    Type: Application
    Filed: February 20, 2004
    Publication date: October 28, 2004
    Inventor: Taek-Kyun Choi