Patents by Inventor Louise Ehn

Louise Ehn 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).

  • Filter apparatus, multiplex device and associated method
    Patent number: 9337947
    Abstract: It is presented a filter apparatus comprising: a first frequency shifter arranged to accept an input signal of the apparatus; a first filter; a second frequency shifter; a second filter; and a third frequency shifter, the output of which is connected to the output of the apparatus. The first frequency shifter, the first filter, the second frequency shifter, the second filter and the third frequency shifter are serially connected; and each one of the first frequency shifter, second frequency shifter and third frequency shifter has separate shift input signals, respectively. A corresponding radio base station assembly and method are also presented.
    Type: Grant
    Filed: June 4, 2013
    Date of Patent: May 10, 2016
    Assignee: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Rune Johansson, Louise Ehn, Bo Franzon, Roy Naddaf, Marie O'Loughlin, Ulf Skärby
  • Filter Apparatus, Multiplex Device and Associated Method
    Publication number: 20140105203
    Abstract: It is presented a filter apparatus comprising: a first frequency shifter arranged to accept an input signal of the apparatus; a first filter; a second frequency shifter; a second filter; and a third frequency shifter, the output of which is connected to the output of the apparatus. The first frequency shifter, the first filter, the second frequency shifter, the second filter and the third frequency shifter are serially connected; and each one of the first frequency shifter, second frequency shifter and third frequency shifter has separate shift input signals, respectively. A corresponding radio base station assembly and method are also presented.
    Type: Application
    Filed: June 4, 2013
    Publication date: April 17, 2014
    Applicant: Telefonaktiebolaget L M Ericsson (publ)
    Inventors: Rune Johansson, Louise Ehn, Bo Franzon, Roy Naddaf, Marie O'Loughlin, Ulf Skärby