Patents Assigned to Auer-Sog Glaswerke GmbH
  • Reflector for dental and surgical operating room lighting fixtures
    Patent number: 4942507
    Abstract: A reflector for dental and surgical operating room light fixtures exhibits, in a first cutting plane, an elliptic contour. A parabolic contour is exhibited in a second cutting plane vertical to this first cutting plane. The center of the lamp filament is in the common focal point of the ellipse and parabola. A fine light-diffusing structure overlies the light-reflecting surface to improve the uniformity of the light field.
    Type: Grant
    Filed: April 14, 1989
    Date of Patent: July 17, 1990
    Assignee: AUER-SOG Glaswerke GmbH
    Inventor: Harry Wagener
  • Signal lamp
    Patent number: 4390934
    Abstract: A signal lamp having a light source, a reflector, and a dispersion sheet wherein the dispersion sheet is divided into a plurality of dispersion elements constructed so as to minimize the adverse effect of incident stray light and minimize or eliminate the occurrence of phantom light effect.
    Type: Grant
    Filed: May 26, 1981
    Date of Patent: June 28, 1983
    Assignee: Auer-Sog Glaswerke GmbH
    Inventor: Achim Willing