Energy imaging with generally constant energy separation

The present inventors have recognized that fall times between high-kV to low-kV levels (during a "dual energy" or "fast-kV" energy scan) are linked to the discharge of HV (high voltage) capacitance. In an embodiment of the invention, a high voltage generator may be activated duri...

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Bibliographische Detailangaben
Hauptverfasser:	Larroux, Jean-Francois, Bouhraoua, Julien, Gadenne, Aurelien, Wiedmann, Uwe, Frontera, Mark
Format:	Patent
Sprache:	eng
Schlagworte:	DIAGNOSIS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY HUMAN NECESSITIES HYGIENE IDENTIFICATION INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MEDICAL OR VETERINARY SCIENCE PHYSICS SURGERY TESTING X-RAY TECHNIQUE
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Beschreibung
Zusammenfassung:	The present inventors have recognized that fall times between high-kV to low-kV levels (during a "dual energy" or "fast-kV" energy scan) are linked to the discharge of HV (high voltage) capacitance. In an embodiment of the invention, a high voltage generator may be activated during fall transitions from first to second energy levels in order to substantially maintain a predetermined fall transition time. Accordingly, substantially equal energy distributions between high-kV and low-kV levels may be achieved.