Patents by Inventor Matthias Westenhoefer

Matthias Westenhoefer 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).

  • Optical surveillance device
    Patent number: 9091533
    Abstract: The invention proposes an optical monitoring device for monitoring the activity of a tool in a monitoring area, having at least one camera (1). In order to improve the capture of the lateral regions of a three-dimensional object in the monitoring area (20), at least one mirror (2) is provided that is concavely bent in at least one partial region and that is disposed in the optical path between the monitoring area (20) and the camera (1).
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: July 28, 2015
    Assignee: ISRA VISION AG
    Inventors: Alexander Bachem, Matthias Westenhoefer, Karlheinz Hohm
  • Apparatus and method for examining a curved surface
    Patent number: 7796276
    Abstract: An apparatus and a method for examining a curved surface (5), having a camera (2) and an objective (3) and a lamp (4), is described. The camera (2) can be aimed at the inside of the curved surface (5), and the lamp (4) can be located such that light (7) emitted by the lamp (4) is reflected from the inside of the curved surface (5) into the camera (2). To attain high contrast with a simple arrangement, the lamp (4) is located in the beam path of the objective (3) of the camera (2).
    Type: Grant
    Filed: March 20, 2006
    Date of Patent: September 14, 2010
    Assignee: ISRA Vision AG
    Inventors: Joerg Schipke, Matthias Westenhoefer
  • Optical surveillance device
    Publication number: 20100007733
    Abstract: The invention proposes an optical monitoring device for monitoring the activity of a tool in a monitoring area, having at least one camera (1). In order to improve the capture of the lateral regions of a three-dimensional object in the monitoring area (20), at least one mirror (2) is provided that is concavely bent in at least one partial region and that is disposed in the optical path between the monitoring area (20) and the camera (1).
    Type: Application
    Filed: June 3, 2009
    Publication date: January 14, 2010
    Inventors: Alexander Bachem, Matthias Westenhoefer, Karlheinz Hohm