Patents by Inventor Marcus DESCHAUER

Marcus DESCHAUER 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: 11099354
    Abstract: The present invention relates to an optical lens system for a camera comprising in an order from an end at the object side to an end at the image side a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, and a fourth lens having a negative refractive power, wherein the second and third lenses are each designed as meniscus lenses, wherein the surface of the second lens at the object side is convex and the surface of the third lens at the object side is concave. The invention further relates to an imaging system having an image sensor that has a plurality of light-sensitive elements arranged in rows and columns and having such an optical lens system.
    Type: Grant
    Filed: May 8, 2019
    Date of Patent: August 24, 2021
    Assignee: Leica Camera AG
    Inventors: Marcus Deschauer, Achim Zirkel, Jakob Bleicher, Stephan Albrecht
  • Publication number: 20200225449
    Abstract: The present invention relates to a photographic objective having at least six lenses and at most eight lenses, with the first lens viewed from the object side being manufactured from glass and having a positive refractive power, an Abbe number of greater than or equal to 55, and a deviation of the relative partial dispersion from the normal line ?Pg,F between 0.008 and 0.035.
    Type: Application
    Filed: January 13, 2020
    Publication date: July 16, 2020
    Inventors: Achim Zirkel, Marcus Deschauer, Jakob Bleicher
  • Publication number: 20190377159
    Abstract: The present invention relates to an optical lens system for a camera comprising in an order from an end at the object side to an end at the image side a first lens having a positive refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, and a fourth lens having a negative refractive power, wherein the second and third lenses are each designed as meniscus lenses, wherein the surface of the second lens at the object side is convex and the surface of the third lens at the object side is concave. The invention further relates to an imaging system having an image sensor that has a plurality of light-sensitive elements arranged in rows and columns and having such an optical lens system.
    Type: Application
    Filed: May 8, 2019
    Publication date: December 12, 2019
    Inventors: Marcus DESCHAUER, Achim Zirkel, Jakob Bleicher, Stephan Albrecht