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:
Jul. 05, 2005
Filed:
Aug. 28, 2002
Jacques Alain Déverin, Widnau, CH;
Ulrich Sander, Rebstein, CH;
Jacques Alain Déverin, Widnau, CH;
Ulrich Sander, Rebstein, CH;
Leica Microsystems (Schweiz) AG, Heerbrugg, CH;
Abstract
The invention concerns an apparatus for simultaneous zero-degree and oblique illumination for an optical viewing device, in particular a stereoscopic surgical microscope, which contains a shiftable prism combination () for deflecting a first illumination sub-beam a long distance from the optical axis () of the main objective in order to obtain an oblique illumination beam () (oblique illumination), and for deflecting a second illumination sub-beam () a short distance from the optical axis () of the main objective in order to obtain a zero-degree illumination ().