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:
Sep. 10, 1991
Filed:
Jun. 06, 1990
Applicant:
Inventor:
Peter Dietrich, Oberkochen, DE;
Assignee:
Carl-Zeiss-Stiftung, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
350520 ; 359370 ; 359601 ; 359888 ; 359889 ;
Abstract
The invention is directed to a microscope equipped with neutral filters adapted to the objectives thereof. These neutral filters are introduced into the imaging beam path of the particular objective in an objective turret of the microscope in order to obtain an image brightness equalization when switching the objectives. The neutral filters are arranged on respective sliders and can be easily removed from the objective turret.