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:
Jul. 06, 2004
Filed:
May. 20, 2002
Walter Ruetten, Linnich/Ederen, DE;
Michael Overdick, Langerwehe, DE;
Falko Busse, Aachen, DE;
Anthony Roy Franklin, East Grinstead, GB;
Martin John Powell, Horley, GB;
Koninklijke Philips Electronics N.V., Eindhoven, NL;
Abstract
An x-ray detector apparatus comprises an array of detector pixels ( ), each pixel ( ) comprising a conversion element ( ) for converting incident radiation into a charge flow, a charge storage element ( ) and a switching device ( ) enabling the charge stored to be provided to an output of the pixel ( ). A plurality of dose sensing pixels further comprise a dose sensing element ( ) during x-ray exposure results in a change in the charge stored on the charge storage element ( ) and also results in a dose sensing signal being generated which can be read out from the pixel ( ). The dose sensing pixels enable a dose signal to be obtained without reading the charges stored on the pixel charge storage elements, so that dose sensing can be carried out during exposure.