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    • 10. 发明申请
    • BOOSTING/BLANKING THE FILAMENT CURRENT OF AN X-RAY TUBE
    • 提升/清除X射线管的电流
    • WO2011024136A1
    • 2011-03-03
    • PCT/IB2010/053837
    • 2010-08-26
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.PHILIPS INTELLECTUAL PROPERTY & STANDARDS GMBHSTRIKER, TimothyLEHMANN, Thomas
    • STRIKER, TimothyLEHMANN, Thomas
    • G05G1/34G05G1/56G05G1/58
    • H05G1/34H05G1/46H05G1/56H05G1/58
    • For boosting/blanking the filament current of a cathode of an X-ray tube the temporal variation of the tube current of the X-ray tube is measured and stored in a first memory. Then an iterative boosting/blanking is performed wherein the boosting/blanking current is applied to the filament for a short time interval (Δt), based on the stored temporal variation of the tube current the tube current after the short time interval (ΔT) is determined, and the tube current is stored in a second memory. Based on the stored temporal variation of the tube current it is determined if the tube current (IE) is less than a target value (IE2) thereof, and if so, the boosting/blanking current is applied to the filament for an additional time interval (Δt), else it is determined that the tube current (IE) is equal to the target value (IE2). Therefore, the tube current (IE) after each time interval (Δt) is known (may be determined from the tube current data stored in the second memory)such that the iterative boosting/blanking may be interrupted anytime.
    • 为了对X射线管的阴极的灯丝电流进行升压/消隐,测量X射线管的管电流的时间变化并将其存储在第一存储器中。 然后进行迭代升压/消隐,其中基于在短时间间隔(ΔT)之后管管电流的存储的时间变化,将升压/消隐电流施加到灯丝​​短时间间隔(Δt) ),并且管电流存储在第二存储器中。 基于管电流的存储时间变化,确定管电流(IE)是否小于其目标值(IE2),如果是,则将升压/消隐电流施加到灯丝​​上一段额外的时间间隔 (Δt),否则确定管电流(IE)等于目标值(IE2)。 因此,每个时间间隔(Δt)之后的管电流(IE)是已知的(可以从存储在第二存储器中的管电流数据确定),使得迭代升压/消隐可以随时中断。