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    • 5. 发明授权
    • Method for monitoring a dose of penetrating radiation absorbed by an object
    • 用于监测物体吸收的穿透辐射剂量的方法
    • US06452203B1
    • 2002-09-17
    • US09427029
    • 1999-10-26
    • Luc StruyePaul LeblansPeter Willems
    • Luc StruyePaul LeblansPeter Willems
    • G01N2304
    • G01T1/2012
    • A method for monitoring a dose of penetrating radiation absorbed by an object, including the steps of providing the object with a device for absorbing penetrating radiation, including a storage phosphor for storing energy from the penetrating radiation; at predetermined intervals, coupling the storage phosphor to a source of stimulation light in such a way that the stimulation light impinges on the phosphor; activating the source of stimulation light so as to cause the storage phosphor to emit an amount of fluorescent light in proportion to an amount of stored energy; reading the amount of fluorescent light and converting it into an electric signal value; storing electric signal value(s) obtained at the predetermined intervals and processing them so as to evaluate a total amount of radiation absorbed by the object; comparing the total amount with a predefined threshold value for obtaining a difference value; and displaying the difference value on a decentralized display.
    • 一种用于监测由物体吸收的穿透辐射剂量的方法,包括以下步骤:为物体提供吸收穿透辐射的装置,包括用于存储穿透辐射能量的储存荧光体; 以预定间隔将存储磷光体耦合到刺激光源,使得刺激光照射在荧光体上; 激活刺激光源,以使存储磷光体与存储的能量成比例地放出一定量的荧光; 读取荧光量并将其转换成电信号值; 存储以预定间隔获得的电信号值,并对其进行处理,以评估被检体吸收的总辐射量; 将总量与用于获得差值的预定义阈值进行比较; 并在分散显示器上显示差值。
    • 9. 发明授权
    • Method for obtaining an electrical representation of a radiation image
using CCD sensors
    • 使用CCD传感器获得辐射图像的电气表示的方法
    • US5998802A
    • 1999-12-07
    • US15116
    • 1998-01-29
    • Luc StruyePaul LeblansPeter Willems
    • Luc StruyePaul LeblansPeter Willems
    • G01T1/29G03B42/02
    • G01T1/2014H04N5/32H04N5/3415
    • A method of obtaining an electrical representation of a radiation image by means of at least one CCD sensor. A stimulable phosphor plate, the area of which is divided into at least two different portions, is exposed to a radiation image. Each of the portions is stimulated by light guided from a light source, the light having a wavelength within the stimulating wavelength range of the phosphor on the plate and causing the phosphor plate to emit stimulated light. The stimulated light from each phosphor plate portion is guided to at least one two-dimensional CCD sensor kept in a static position relative to the phosphor plate portion, such that the CCD detects the stimulated light. The detected stimulated light is converted into an electrical representation of the plate portion, and the electrical representation of each of the different plate portions is combined to form an electrical representation of the radiation image. When using fiber optics a high readout efficiency can be obtained using a broad range of light sources in continuous or pulsed mode.
    • 一种通过至少一个CCD传感器获得辐射图像的电表示的方法。 可激发的荧光体板,其区域被分成至少两个不同部分,暴露于辐射图像。 每个部分由光源引导的光刺激,该光在该板上的荧光体的刺激波长范围内具有波长并使荧光板发射受激光。 来自每个荧光板部分的​​受激光被引导到保持在相对于荧光板部分的​​静止位置的至少一个二维CCD传感器,使得CCD检测到被激发的光。 检测到的受激光被转换成板部分的电气表示,并且将每个不同板部分的电气表示组合以形成辐射图像的电表示。 当使用光纤时,可以使用广泛的连续或脉冲模式的光源获得高的读出效率。