Patents by Inventor Willem Eelke Spaak

Willem Eelke Spaak 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 operating a radiation examination device
    Patent number: 6430258
    Abstract: The invention relates to a method for operating a radiation examination apparatus, especially an X-ray apparatus, that includes a radiation source and a detector device. The invention proposes the use of a control signal for “during pulse” radiation control, being a combination of a dose or a dose rate signal, measured by a dose rate measuring device, and an adaptive control value that is obtained, using an adaptive control algorithm, from the mean image working points within a selected region of interest of every individual preceding image within an image sequence. A detector device and a radiation examination apparatus are also claimed.
    Type: Grant
    Filed: March 27, 2001
    Date of Patent: August 6, 2002
    Assignee: Koninklijke Philips Electronics, N.V.
    Inventor: Willem Eelke Spaak
  • Method for operating a radiation examination device
    Publication number: 20020027973
    Abstract: The invention relates to a method for operating a radiation examination apparatus, especially an X-ray apparatus, that includes a radiation source and a detector device. The invention proposes the use of a control signal for “during pulse” radiation control, being a combination of a dose or a dose rate signal, measured by a dose rate measuring device, and an adaptive control value that is obtained, using an adaptive control algorithm, from the mean image working points within a selected region of interest of every individual preceding image within an image sequence. A detector device and a radiation examination apparatus are also claimed.
    Type: Application
    Filed: March 27, 2001
    Publication date: March 7, 2002
    Inventor: Willem Eelke Spaak