Patents by Inventor Willem Van Eck

Willem Van Eck 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 terminal with image line disarrangement
    Patent number: 4669117
    Abstract: Video terminal comprising electronic circuit provisions due to which the user of this terminal is protected against unwanted "remote looking-in" by other persons at the information reproduced on his screen. For that purpose the sequence in which the image lines are reproduced on the screen, is pseudo-randomly disarranged.
    Type: Grant
    Filed: June 17, 1985
    Date of Patent: May 26, 1987
    Assignee: Staat Der Nederlanden (Staatsbedrijf Der Posterijen, Telegrafie en Telefonie)
    Inventor: Willem Van Eck