Patents by Inventor Carina Marcus

Carina Marcus 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).

  • Horn antenna
    Patent number: 6278411
    Abstract: A horn antenna for transmitting microwaves. A conical horn includes a small opening and a large opening. A transition piece includes a tapering portion and a non-tapering portion. The transition piece is arranged in the conical horn between a waveguide and an environment that the horn antenna is arranged in. A transition between the tapering portion and the non-tapering portion is arranged between the small opening and the large opening of the conical horn. The non-tapering portion engages the small opening of the conical horn.
    Type: Grant
    Filed: December 13, 1999
    Date of Patent: August 21, 2001
    Assignee: Saab Marine Electronics AB
    Inventors: Magnus Ohlsson, Carina Marcus, Håkan Fredriksson