Patents by Inventor Stephen Schrader

Stephen Schrader 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).

  • Dental intra-oral camera
    Patent number: 8780190
    Abstract: The invention relates to an intra-oral camera having an imaging system for depicting the object located in front of an observation window of the camera on a recording unit, wherein the imaging system has at least one focusing unit for setting a suitable focus and an aperture unit for forming a variable aperture. The setting of the aperture is carried out independently of the focus adjusted by the focusing unit.
    Type: Grant
    Filed: January 14, 2009
    Date of Patent: July 15, 2014
    Assignee: Kaltenbach & Voigt GmbH
    Inventors: Andre Hackel, Florian Bühs, Heinz Lehr, Stephen Schrader
  • Dental Intra-oral Camera
    Publication number: 20110234781
    Abstract: The invention relates to an intra-oral camera having an imaging system for depicting the object located in front of an observation window of the camera on a recording unit, wherein the imaging system has at least one focusing unit for setting a suitable focus and an aperture unit for forming a variable aperture. The setting of the aperture is carried out independently of the focus adjusted by the focusing unit.
    Type: Application
    Filed: January 14, 2009
    Publication date: September 29, 2011
    Applicant: Kaltenbach & Voigt GmbH
    Inventors: Andre Hackel, Florian Bühs, Heinz Lehr, Stephen Schrader