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. 16, 1991
Filed:
Apr. 24, 1990
Applicant:
Inventor:
Franz Muchel, Konigsbronn, DE;
Assignee:
Carl-Zeiss-Stiftung, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350416 ; 350523 ; 350526 ; 350449 ; 350450 ; 350252 ; 350247 ;
Abstract
The invention is directed to a transmitted-light illuminating arrangement having a condenser including one or two lenses. A glass sphere is selected as the front lens for the condenser. The illuminating arrangement permits Kohler illuminating conditions to be set and yet has a simple configuration which can be economically produced.