Patents by Inventor Vladimir I. Koshelev

Vladimir I. Koshelev 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).

  • Small ultra wideband antenna having unidirectional radiation pattern
    Patent number: 7589686
    Abstract: A small ultra wideband (UWB) antenna designed to have a unidirectional radiation pattern is disclosed. The UWB antenna includes a substrate; a power feeding part, provided on an upper surface of the substrate, for receiving a supply of an external electromagnetic energy; a dipole radiator excited by the electromagnetic energy fed through the power feeding part and radiating electromagnetic waves in one and the other directions of the substrate; and an active loop radiator excited by the electromagnetic energy fed through the power feeding part, respectively enhancing and canceling the electromagnetic fields produced in one or the other directions of the substrate by the dipole radiator.
    Type: Grant
    Filed: January 19, 2006
    Date of Patent: September 15, 2009
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Evgeny V. Balzovsky, Yuri I. Buyanov, Yong-jin Kim, Vladimir I. Koshelev, Do-Hoon Kwon, Seong-soo Lee