Patents by Inventor Roland Vanstaen

Roland Vanstaen 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).

  • Method for measuring a physical quantity providing digital data using analog-value measuring devices, and measuring apparatus for applying this method
    Patent number: 4812043
    Abstract: A measuring method and apparatus wherein the value of a physical quantity is measured by means of a first measuring device (2, 3) producing at its output an electrical voltage or current, which is a function of the value of the said physical quantity; wherein, simultaneously, a reference value for this physical quantity is measured by means of a second measuring device (2, 4), which is identical to the said first measuring device; wherein the output voltage or current of the said first measuring device (3) is applied to one of the measuring inputs (10, 11) of an analog/digital converter (9) with a variable threshold value; wherein the output voltage or current of the said second measuring device (4) is applied to the other measuring input (11, 10) of this analog/digital converter (9) and wherein the digital output signal of the said analog/digital converter (9) is applied to a processing and/or data display device (14).
    Type: Grant
    Filed: December 23, 1986
    Date of Patent: March 14, 1989
    Assignee: Barco Automation N.V.
    Inventor: Roland Vanstaen