Patents by Inventor Paulus M. Lem

Paulus M. Lem 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).

  • Apparatus for monitoring the replay of audio/video information carriers
    Patent number: 4750034
    Abstract: System for collecting data, relating to the showing of specific video information registered together with a core signal onto a registration carrier. The carrier is forwarded by the information supplier to one of a number of display stations comprising each at least a video display apparatus for displaying the registered video information and comprising a processor for detecting said code signal and deriving therefrom data about the starting time and the period during which said video information is displayed. This data is stored into a memory and the contents of the memory is at regular intervals read out by the information supplier using a reader station.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: June 7, 1988
    Assignee: Cloeck en Moedigh Bioscoopreclame B.V.
    Inventor: Paulus M. Lem