Patents by Inventor Zeljko H. Adamovic

Zeljko H. Adamovic 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).

  • Patent number: 4533237
    Abstract: For registering the use of copying machines, the copying operation is initially enabled by introduction of user representative data. To provide evidence with respect to the identity of a person who made one or more copies of an original a separate record of the original is generated, and an information identifying the user is included on the record. The original may only be withdrawn from the copying machine after this record has been generated.
    Type: Grant
    Filed: July 9, 1984
    Date of Patent: August 6, 1985
    Inventors: Hermann Stockburger, Hans-George Winderlich, Siegfried Bauer, Zeljko H. Adamovic
  • Patent number: 4472050
    Abstract: A copying apparatus is disclosed in which an information derived from an external information source may be combined with an original to be copied. The imaging arrangement of the copying apparatus comprises an arrangement for blocking at least selected portions of the light path between the original and the image to be formed by the imaging optics. The light path blocking arrangement is preferably formed by an LCD-layer associated with the platen on which the original to be copied is laid, the LCD-element being placed under the control of the external information source.
    Type: Grant
    Filed: January 3, 1984
    Date of Patent: September 18, 1984
    Assignee: Lutz H. Prufer
    Inventors: Hermann Stockburger, Hans-Georg Winderlich, Siegfried Bauer, Zeljko H. Adamovic