Title:
RADIATION MODULATION IN A SECURITY EXAMINATION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2010/044774
Kind Code:
A9
Abstract:
Radiation flux can be adjusted "on the fly" as an object (204) is being scanned in a security examination apparatus. Adjustments are made to the radiation flux based upon radiation incident on a first radiation detector (226) in an upstream portion (233) of an examination region. The object under examination is thus exposed to different radiation flux in coordination with a downstream motion (235) of the object relative to a second radiation detector (228). The radiation flux is adjusted so that a sufficient number of x-rays (that traverse the object) are incident on the second radiation detector. Images of the object can then be generated based upon data from the second radiation detector, where these images are thus of a desired/higher quality.
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Inventors:
NAIDU RAM C (US)
SUBRAMANIAN CHITRA (US)
SIMANOVSKY SERGEY B (US)
YING ZHENGRONG (US)
LIANG DONG-YUEH (US)
ABRAHAM DOUGLAS Q (US)
SUBRAMANIAN CHITRA (US)
SIMANOVSKY SERGEY B (US)
YING ZHENGRONG (US)
LIANG DONG-YUEH (US)
ABRAHAM DOUGLAS Q (US)
Application Number:
PCT/US2008/079830
Publication Date:
July 21, 2011
Filing Date:
October 14, 2008
Export Citation:
Assignee:
ANALOGIC CORP (US)
NAIDU RAM C (US)
SUBRAMANIAN CHITRA (US)
SIMANOVSKY SERGEY B (US)
YING ZHENGRONG (US)
LIANG DONG-YUEH (US)
ABRAHAM DOUGLAS Q (US)
NAIDU RAM C (US)
SUBRAMANIAN CHITRA (US)
SIMANOVSKY SERGEY B (US)
YING ZHENGRONG (US)
LIANG DONG-YUEH (US)
ABRAHAM DOUGLAS Q (US)
International Classes:
G01V5/00
Attorney, Agent or Firm:
COOPER, William, J. (LLC6505 Rockside Road, Suite 33, Independence OH, US)
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