Patents by Inventor Rudolf De Jager

Rudolf De Jager 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).

  • System for transmitting selection code signals to TV or radio stations
    Patent number: 5473673
    Abstract: System in which subscribers (2) are able to transmit, via the telephone network (1) and a processing system (7), selection codes to a TV or radio station (5) in response to a selection question presented in a TV or radio program using a code transmitter (6). The processing system is connected to different TV or radio stations which each transmit programs in which one or more selection questions are presented. Each of said selection questions is coded by the processing system to form a selection code which is part of a single, simple series of selection codes. Regardless of the TV station or the program, the questions can be answered by means of selection codes taken from the same series in all cases.
    Type: Grant
    Filed: March 30, 1994
    Date of Patent: December 5, 1995
    Assignee: Koninklijke PTT Nederland N.V.
    Inventors: Paul Van Wijk, Rudolf De Jager