Patents by Inventor Egbert Spanner

Egbert Spanner 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).

  • Video recording device
    Patent number: 5109302
    Abstract: A video recorder device for electronic cutting of video and FM-audio signals in oblique tracks of a magnetic tape wherein the audio signal is also recorded in a longitudinal track at the tape edge, whereupon erasing the original video signal in the oblique track also results in the undesired erasing of the original FM-audio signal also in the oblique track which is replaced by the audio signal recorded in the longitudinal track being recorded in the oblique track.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: April 28, 1992
    Assignee: Grundig E.M.V. ElektroMechanische Versuchsanstalt Max Grundig Holland, Stiftung & Co.
    Inventors: Werner Mederer, Reinhard Stacho, Egbert Spanner, Michael Borgelt