Patents by Inventor Jens Rehwagen

Jens Rehwagen 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).

  • Publication number: 20090060193
    Abstract: A communication device for encrypted transmission of information via unencrypted transmission paths has at least one loudspeaker, one microphone, one audio processing facility, one encryption facility, and one transmission facility. Information is encrypted by the encryption facility and transmitted via unencrypted transmission paths by the transmission facility by further communication instruments. Thus, flexible use on the basis of the various communication instruments which can be used for encrypted transmission is made possible.
    Type: Application
    Filed: December 12, 2007
    Publication date: March 5, 2009
    Applicant: Rohde & Schwarz SIT GmbH
    Inventors: Georg Jahnen, Jens Rehwagen, Anton Enterrottacher