Screening system
AssigneeHalo X Ray Technologies Limited
InventorsAnthony Dicken, Daniel Spence
Life of this patent
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Abstract
There is presented a screening system and a corresponding method for screening an item. The screening system includes a detection apparatus (100), a rotatable platform (310) to receive the item, and a mechanical arrangement (320, 330). The detection apparatus has an emitter portion to generate a primary beam of ionising radiation and a detector portion to detect an absorption signal and at least one of a diffraction signal and a scattering signal. The mechanical arrangement is adapted to translate the detection apparatus along a translation axis to scan the item with the primary beam. The screening system may be used for identifying restricted or illicit substances that may be present in some luggage or in mail.
Claims18
A screening system for screening an item, the screening system comprising:
- a detection apparatus comprising an emitter portion to generate a primary beam of ionising radiation and a detector portion to detect an absorption signal and at least one of a diffraction signal and a scattering signal;
- wherein the primary beam is a conical shell beam of ionising radiation;
- the screening system further comprising
- a rotatable platform adapted to receive the item;
- and
- a mechanical arrangement adapted to translate the detection apparatus along a translation axis to scan the item with the primary beam;
- wherein the translation axis is substantially parallel to a surface of the rotatable platform;
- wherein the rotatable platform is rotatable around a rotational axis;
- wherein the primary beam has a characteristic propagation axis;
- and
- wherein the rotational axis is substantially parallel to the characteristic propagation axis.
A method for screening an item, the method comprising providing a rotatable platform adapted to receive the item, wherein the rotatable platform is rotatable around a rotational axis;
- providing a detection apparatus comprising an emitter portion to generate a primary beam of ionising radiation and a detector portion to detect an absorption signal and at least one of a diffraction and a scattering signal;
- rotating the rotatable platform and translating the detection apparatus along a translation axis to scan the item with the primary beam;
- wherein the translation axis is substantially parallel to a surface of the rotatable platform and wherein the primary beam is a conical shell beam of ionising radiation the primary beam having a characteristic propagation axis;
- and wherein the rotational axis is substantially parallel to the characteristic propagation axis.
Dependencies are inferred from the claim text.