Patent · US Expired

Optical system for a fundus camera

US7500753B2 · kind B2 · utility

5Cited by

7References

6Claims

0Family size

Assignee

Carl Zeiss Meditec AG · DE

Inventors

Lothar Mueller · Ottendorf, DE
Marco Hanft · Jena, DE
Uwe Lippmann · Jena, DE

Key dates

Filing date	Mar 19, 2004
Grant date	Mar 10, 2009
Priority date	—
Expiry date	Mar 19, 2024

Classification

Technology area (CPC A)Human Necessities
CPC primaryA61B3/12
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention is directed to an optical system for a fundus camera in which lens pairs are tilted relative to the imaging beam path to prevent flare. This tilting is carried out in two planes and these planes are preferably oriented perpendicular to one another.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.