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:
May. 26, 2009
Filed:
Dec. 02, 2005
Stefan Böhm, Oberasbach, DE;
Peter Durlak, Erlangen, DE;
Volker Heer, Gundelsheim, DE;
Martin Kolarjk, Nürnberg, DE;
Stefan Böhm, Oberasbach, DE;
Peter Durlak, Erlangen, DE;
Volker Heer, Gundelsheim, DE;
Martin Kolarjk, Nürnberg, DE;
Siemens Aktiengesellschaft, Munich, DE;
Abstract
The invention relates to an angiographic x-ray diagnostic apparatus with an x-ray radiator having an x-ray tube, with a patient positioning table having a radiation-transparent positioning plate and mattress, with an x-ray detector, with an imaging system, an image processing unit and a measuring device to which the output signals of the x-ray detector are fed and which has a first device for determining a value determining the reproduction quality of clinically relevant objects, a second device for determining local variances of the noise in a homogenous image region of different x-ray images and a device for taking the ratio of the output values of the two devices.