Patents by Inventor Won-sub Lim

Won-sub Lim 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: 10374641
    Abstract: A multiband antenna-equipped electronic device is provided. An electronic device includes a housing, a memory, an antenna for multi-band communication, a communication unit processing a radio frequency (RF) signal using the antenna, a switching unit including a first switch connected with a first point of the antenna, a second switch connected between the first switch and a second point of the antenna, a third switch connected with a third point of the antenna, a fourth switch connected between the second point and the third switch, a fifth switch connected between a first node between the first switch and the second switch and a ground, and a sixth switch connected between a second node between the third switch and the fourth switch and the ground, and a processor electrically connected with the memory, the communication unit, and the switching unit.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: August 6, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Won-Sub Lim
  • Publication number: 20180198472
    Abstract: A multiband antenna-equipped electronic device is provided. An electronic device includes a housing, a memory, an antenna for multi-band communication, a communication unit processing a radio frequency (RF) signal using the antenna, a switching unit including a first switch connected with a first point of the antenna, a second switch connected between the first switch and a second point of the antenna, a third switch connected with a third point of the antenna, a fourth switch connected between the second point and the third switch, a fifth switch connected between a first node between the first switch and the second switch and a ground, and a sixth switch connected between a second node between the third switch and the fourth switch and the ground, and a processor electrically connected with the memory, the communication unit, and the switching unit.
    Type: Application
    Filed: January 3, 2018
    Publication date: July 12, 2018
    Inventor: Won-Sub LIM
  • Patent number: D441425
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: May 1, 2001
    Assignee: American Standard International Inc.
    Inventor: Won-sub Lim
  • Patent number: D441426
    Type: Grant
    Filed: November 23, 1999
    Date of Patent: May 1, 2001
    Assignee: American Standard International Inc.
    Inventor: Won-sub Lim