Patents by Inventor Edbert Alscher

Edbert Alscher 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).

  • Patent number: 6139153
    Abstract: The invention relates to a motion picture camera having a camera lens, a gate disposed through a film path of a motion picture film, past which gate the motion picture film is moved intermittently by means of a film transport mechanism. A shutter is disposed between the camera lens and the gate. A capping shutter is disposed in front of the gate in the optical path between the shutter and the film which provides for a light-tight covering of the motion picture film during single-frame exposure or time exposures.
    Type: Grant
    Filed: March 4, 1997
    Date of Patent: October 31, 2000
    Assignee: Arnold & Richter Cine Technik GmbH & Co. Betreibs KG
    Inventors: Edbert Alscher, Klemens Kehrer
  • Patent number: 5067808
    Abstract: Device for connecting two components of a motion-picture camera. A thermal expansion compensation pendulum (Rost pendulum) (3) is disposed between the two components (10, 11), said pendulum being composed of a first element (31) connected with one component (11), a second element (32) connected with the component (10), and at least one intermediate element having axial and/or radial play between both elements (31, 32) and being connected therewith. The coefficient of thermal expansion of the intermediate element or elements (33) is a multiple of the coefficients of thermal expansion of the first and second elements.
    Type: Grant
    Filed: June 7, 1990
    Date of Patent: November 26, 1991
    Inventor: Edbert Alscher