Patent · US Expired

X-ray apparatus for tomosynthesis

US4246483A · kind A · utility

10Cited by

1References

4Claims

0Family size

Assignee

U.S. Philips Corporation · US

Inventors

Hermann Weiss · Hamburg, DE
Rolf Linde · Haseldorf, DE
Ulf Tiemens · Pinneberg, DE
Erhard Klotz · Halstenbek, DE

Key dates

Filing date	Jan 15, 1979
Grant date	Jan 20, 1981
Priority date	—
Expiry date	Jan 15, 1999

Classification

Technology area (CPC H)Electricity
CPC primaryH01J35/16
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

Apparatus for examining objects includes a group of X-ray sources, which are activated group-wise by a generator. A group of sub-images are separately projected onto a photographic film. During a subsequent step, the film is re-imaged with the aid of an optical lens matrix the lenses in the matrix are arranged in a manner similar to the X-ray sources.

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