Patents by Inventor Sven Dietrich

Sven Dietrich 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 apparatus for precise time synchronization
    Patent number: 6199170
    Abstract: An improved time transfer mechanism and method are disclosed. In one embodiment, the present invention provides a computer implemented method for transferring time, includes generating a first time stamp at a processor; triggering a time transfer event; generating a second time stamp at the processor; and receiving a reference time stamp at the processor. Triggering the time transfer event can further include sending a request for a time stamp signal to a device that is dedicated to time synchronization. The present invention also includes specific hardware for performing the time transfer method.
    Type: Grant
    Filed: May 11, 1999
    Date of Patent: March 6, 2001
    Assignee: Trimble Navigation Limited
    Inventor: Sven Dietrich
  • GPS data recorder and playback system
    Patent number: 6114989
    Abstract: A circuit for storing GPS data gathered in the field is described. The stored data is later used to test the ability of GPS processing circuits to handle GPS data containing multipath interference and dropouts.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: September 5, 2000
    Assignee: Trimble Navigation Limited
    Inventors: Joseph Fontes, John O'Boyle, III, Sven Dietrich, Aaron Vincent Morton