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. 17, 1992
Filed:
Oct. 18, 1991
Olivier Peyret, Grenoble, FR;
Gerard Thomas, Pont de Claix, FR;
Commissariat a l'Energie Atomique, Paris, FR;
Abstract
Non-destructive testing apparatus and process with the simultaneous acquisition of radiographic data and tomographic data comprises a gamma or X-ray source-detector assembly (2-6), an object support (16) placed between the source and the detector, means (17) for ensuring at least one relative rotary movement of the support with respect to the source-detector assembly, the detector being a bidimensional detector supplying for each point of each radiographic projection an analog signal proportional to the radiation quantity transmitted by the object (4), an analog-digital converter (21) for converting the signals from the detector into digital data, a first memory (28) for storing said digital data, a system (30) for the extraction and accumulation of part of said stored data, corresponding to at least one particular zone of the object to be tested or examined, a second memory (32) for storing the sinograms obtained from the selected and accumulated data and a system for processing these sinograms in order to reconstruct the tomographic sections.
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