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:
Jun. 16, 2015
Filed:
Sep. 29, 2010
Kay-uwe Amthor, Potsdam, DE;
Ben Liesfeld, Potsdam, DE;
Kay-Uwe Amthor, Potsdam, DE;
Ben Liesfeld, Potsdam, DE;
OD-OS GmbH, Teltow/Berlin, DE;
Abstract
An ophthalmoscope for observing an eye comprises a converging first lens system for generating a real intermediate image of a region in the eye in an intermediate image plane as well as an observation apparatus having an imaging optics for imaging the real intermediate image in an imaging plane in the observation apparatus and for imaging an aperture of the observation apparatus in a pupil of the eye. Between the first lens system and the imaging optics of the observation apparatus, a diverging second lens system is provided for enlarging a working distance between the first lens system and the pupil and for enlarging a field angle.