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. 14, 1987
Filed:
Oct. 12, 1984
Jorg Haendle, Erlangen, DE;
Wolfgang Maass, Nuremberg, DE;
Siemens Aktiengesellschaft, Berlin and Munich, DE;
Abstract
A stereo X-ray subtraction apparatus has a stereo X-ray system and an X-ray image intensifier television chain in which, for each channel, the video signals of successive stereo partial images are summed in a weighted fashion in a first image memory, the output of the first image memory being supplied to a first input of a first subtraction stage, with the output of the first image memory in the other channel being supplied to a second input of the first subtraction stage, the output of the first subtraction stage being supplied to a second image memory and to a first input of a second subtraction stage, and the output of the second image memory being supplied to a second input of the second subtraction stage. The outputs of the second subtraction stages for each channel are supplied to a display unit for displaying the resulting stereo image.