Patents by Inventor Sima Jansson

Sima Jansson 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).

  • Testing device and method
    Patent number: 6188365
    Abstract: A device for testing a transmitter and/or receiver of electromagnetic waves includes a hollow metal body, dimensioned to function as a waveguide, including a hole for receiving a test antenna and a hole for receiving the receiver to be tested, a test antenna inserted into the hole, and a signal generating device connected to the test antenna. A method of testing the transmitting and/or receiving function of an antenna includes the steps of inserting the antenna and a test antenna into holes in the appropriate side of a waveguide, transmitting a signal from the antenna or the test antenna, and registering the signal strength received by the antenna or the test antenna that did not transmit the signal.
    Type: Grant
    Filed: March 11, 1999
    Date of Patent: February 13, 2001
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Jonas Mattsson, Sima Jansson, Arne Lindelöf