The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 1990
Filed:
Aug. 02, 1989
Applicant:
Inventor:
Burkhard Neumann, Wetzlar, DE;
Assignee:
Wild Leitz GmbH, Wetzlar, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01J / ;
U.S. Cl.
CPC ...
2502013 ; 2502017 ; 350509 ;
Abstract
An apparatus for producing an optical image contrast which may be used in a microscope is disclosed. Specifically, the apparatus is based on the Moire effect and uses two screens or gratings which are rotated simultaneously at different angular velocities in order to increase the depth of focus and resolution achievable with conventional systems.
Neumann, Burkhard. (1990). Apparatus for producing an optical image contrast (U.S. Patent No. 4963724). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4963724
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile