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:
Apr. 02, 2013
Filed:
Oct. 04, 2010
Ralf Ulrich Nübling, Denzlingen, DE;
Ralf Ulrich Nübling, Denzlingen, DE;
Sick AG, Waldkirch, DE;
Abstract
An optical apparatus () for an optoelectronic sensor () which has at least one lens (-), wherein a further optical element () is provided in the beam path of the optical apparatus () for extending the depth of field, wherein the optical element () is made and/or arranged such that a part of the beam path remains free and thus generates a first depth of field; and wherein the optical element () has a planoparallel zone which only covers a part of the beam path of the optical apparatus () and thus generates a second depth of field.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile