Patent · US Expired

Radiography apparatus for producing X-ray shadowgraphs

US5293416A · kind A · utility

5Cited by

2References

3Claims

0Family size

Assignee

Siemens Aktiengesellschaft · DE

Inventors

Manfred Pfeiler · Erlangen, DE
Paul Marhoff · Erlangen, DE

Key dates

Filing date	Nov 16, 1992
Grant date	Mar 8, 1994
Priority date	—
Expiry date	Nov 16, 2012

Classification

Technology area (CPC G)Physics
CPC primaryG01N23/04
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

A radiography apparatus with which x-ray shadowgraphs are produced has a detector array in the form of a line or strip, and an x-ray radiator which is moved in a direction perpendicular to the line direction of the detector array for scanning a measuring field from different directions. The detector array accordingly receives x-radiation proceeding through the measuring field from different directions. A screen or slotted diaphragm having diaphragm shafts directed onto the detector array is disposed between the x-ray radiator and the measuring field, and blanks out x-radiation which is not useful for generating the shadowgraph image.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.