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:
Nov. 06, 2012
Filed:
Jul. 27, 2009
Applicants:
Paul Hing, Owingen-Bilafingen, DE;
Sven Hensler, Gaienhofen, DE;
Inventors:
Paul Hing, Owingen-Bilafingen, DE;
Sven Hensler, Gaienhofen, DE;
Assignee:
Sensovation AG, Stockach, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/40 (2006.01); G02B 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An autofocus apparatus and a method achieve a higher level of speed and robustness, and are particularly suited for fluorescence microscopy of biological samples, automated microscopy and scanning microscopy. A high speed is achieved via a light pattern in the sample, detected spatially resolved by a detector generating at least two signals corresponding to a reflex pattern of the light pattern. The two signals are subtracted generating a positioning signal and the focus of the objective in the sample is adjusted depending on the positioning signal.