Patents by Inventor Kenneth Schönfeldt

Kenneth Schönfeldt 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).

  • Method and device in telecommunication system
    Patent number: 6466767
    Abstract: A test transmitter for verifying the positioning of antennas in a mobile telecommunications system and a method for manufacturing such a test transmitter that is particularly suited for indoor use are presented. A mobile terminal is modified so that it can transmit in the downlink frequency band, and preferably so that it can transmit one or more of the signal types used for downlink signalling in the mobile telecommunications system.
    Type: Grant
    Filed: September 8, 1998
    Date of Patent: October 15, 2002
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Stefan Lidbrink, Kenneth Schönfeldt, Björn Lindquist, Kar-Fat Poon, Kenneth Ekman, Niclas Ögren