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. 21, 2004
Filed:
Oct. 29, 2002
Wolfgang Reinecke, Zeuthen, DE;
Horst Linge, Kaufungen, DE;
Optische Systeme Gottingen ISCO-Optic GmbH, Gottingen, DE;
Abstract
A lens assembly comprising seven lenses. Each lens includes u greater than or equal to about 12.8°, LEP equal to or from about 100 mm to about 400 mm, &sgr;Rba greater than or equal to about 1°, and &sgr;Rbi less than or equal to about −14°. The outward ray angle slopes and the inward ray angle slopes are positive if the outward ray and the inward ray intersect the optical axis at a location which, when seen from the object, is in an opposite direction to projection. The outward ray angle slopes and the inward ray angle slopes are negative if the outward ray and the inward ray intersect the optical axis at a location which, when seen from the object, is in an opposite direction to projection.