Patents by Inventor Eero Oskari Varjonen

Eero Oskari Varjonen 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: 9246212
    Abstract: An apparatus including an antenna element; a metal part; a ground; and a filter connected between the metal part and the ground that has a frequency dependent impedance.
    Type: Grant
    Filed: December 22, 2006
    Date of Patent: January 26, 2016
    Assignee: Nokia Technologies Oy
    Inventor: Eero Oskari Varjonen
  • Patent number: 8538350
    Abstract: A method including providing a matching circuit, a first contact connected, without an intervening test connector to a transmitter and/or a receiver, and a second contact, separate from the first contact, connected to the matching circuit; sensing a parameter of the transmitter and/or the receiver by connecting test apparatus to the first contact; and providing an antenna element for coupling with the first contact and the second contact.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: September 17, 2013
    Assignee: Nokia Corporation
    Inventors: Eero Oskari Varjonen, Shu Liu
  • Publication number: 20110037667
    Abstract: A method including providing a matching circuit, a first contact connected, without an intervening test connector to a transmitter and/or a receiver, and a second contact, separate from the first contact, connected to the matching circuit; sensing a parameter of the transmitter and/or the receiver by connecting test apparatus to the first contact; and providing an antenna element for coupling with the first contact and the second contact.
    Type: Application
    Filed: March 31, 2008
    Publication date: February 17, 2011
    Inventors: Eero Oskari Varjonen, Shu Liu