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. 10, 1984
Filed:
Feb. 18, 1983
Wolfgang Wagner, Hamburg, DE;
U.S. Philips Corporation, New York, NY (US);
Abstract
If only the absorption distribution of a part, for example, a separate organ, of a body slice to be examined is desirable, the radiation dose administered to the body can be limited. The part is irradiated with the full intensity only during a first measuring cycle. In order to avoid reconstruction errors, the entire body slice is irradiated with a second intensity during a second measuring cycle which is substantially lower than the first intensity. Thus, along each measuring path through the part of the slice there are available two absorption values wherefrom suitable correction factors can be determined for correction of all second absorption values which subsequently no longer exhibit any deviations, or only small deviations, with respect to the first absorption values, so that they do not introduce artefacts during the reconstruction.