Patents by Inventor Peter Nassl

Peter Nassl 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).

  • Objective lens exchanging arrangement in a microfilm reader
    Patent number: 4371242
    Abstract: In a microfilm reader, an objective lens tube removal or exchanging arrangement which includes a cylindrically shaped supporting casing for the objective lens tube. The objective lens tube is, for focusing purposes, slidably adjustably mounted along its optical axis in the cylindrically shaped supporting casing. The cylindrically shaped supporting casing has an opening which is sufficiently large to permit the removal or exchange of the objective lens tube therethrough in a direction substantially normal to the optical axis of the objective lens.
    Type: Grant
    Filed: December 11, 1980
    Date of Patent: February 1, 1983
    Assignee: Agfa-Gevaert AG
    Inventors: Karl-Heinz Dietrich, Josef Gruber, Walter Rauffer, Peter Nassl
  • Microfilm reader
    Patent number: 4244641
    Abstract: A microfilm reader for enlarged projections of any desired micropicture among a number of such pictures on a microfilm. The microfilm is interleaved between two movable plates. A slidable support for the image forming objective is pressed with a tensioned spring against the upper plate. The slidable support can be connected to a slide lever for effecting its placement in proper position. Two arms of a spring can be employed for mounting the slidable support and for tilting it around an axis essentially parallel to the cover plate.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: January 13, 1981
    Assignee: AGFA-Gevaert, A.G.
    Inventors: Wilfried Hofmann, Guenther Lueder, Peter Nassl, Peter Puechler, John Krueger, Walter Rauffer, Herbert Lusch