Patents by Inventor Franz R. Huber

Franz R. Huber 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).

  • Multifrequency antenna matching apparatus with antomatic tuning
    Patent number: 4521913
    Abstract: An antenna matching apparatus tunable to different frequencies is disclosed for use with a high frequency transmitter that is rapidly switchable between different transmitting frequencies by a control unit according to a predetermined frequency scheme. This apparatus which is tunable as quickly as the transmitter, includes two or more antenna tuning means tuned to different frequencies which are tuned to different frequencies and switched rapidly by the control unit.
    Type: Grant
    Filed: July 9, 1982
    Date of Patent: June 4, 1985
    Assignee: Rohde & Schwarz GmbH & Co., KG
    Inventors: Franz R. Huber, Axel Stark
  • Automatic direction finding equipment for airplanes
    Patent number: 3949399
    Abstract: An automatic direction finding system for an airplane which utilizes ground equipment for automatically determining the line of position of aircraft transmitting radiant energy and which calculates the aircraft's line of position and transmits such line of position to the aircraft over an available audio channel. The ground station may be unmanned and provides for storage means for converting the aircraft's bearing from the station into an audible message which can be automatically transmitted to the aircraft.
    Type: Grant
    Filed: May 22, 1974
    Date of Patent: April 6, 1976
    Assignee: Rohde & Schwarz
    Inventors: Franz R. Huber, A. Mattes