Container inspection system
First Claim
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1. A container inspection system which comprises means for transmitting a container;
- means for generating an energy flux which is transmitted inside of said container;
at least one sensor for detecting an energy level and spatial location of energy flux transmitted through the inside of said container; and
a processing unit for performing a predetermined image processing based on an output signal received from said at least one sensor whereby a signal for variable density of image data for a transmission factor of said container is processed by said processing unit to inspect said container without disturbing said container, said processing unit comprising means for storing an index defining a size and a respective predetermined energy flux level, means for comparing said index with the detected energy level and spatial location of said energy flux detected by said at least one sensor; and
display means for automatically indicating when said comparing means determines that the energy level and spatial location of the energy flux detected by said at least one sensor matches the stored index.
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Abstract
A package inspection system is used for automatic inspection of a different content or identification of a content in a package such as a container especially a large container in unloading from a ship without opening or unpacking the container and comprises an X-ray transmitter, an X-ray receiver, and a processing unit for image processing.
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Citations
3 Claims
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1. A container inspection system which comprises means for transmitting a container;
- means for generating an energy flux which is transmitted inside of said container;
at least one sensor for detecting an energy level and spatial location of energy flux transmitted through the inside of said container; and
a processing unit for performing a predetermined image processing based on an output signal received from said at least one sensor whereby a signal for variable density of image data for a transmission factor of said container is processed by said processing unit to inspect said container without disturbing said container, said processing unit comprising means for storing an index defining a size and a respective predetermined energy flux level, means for comparing said index with the detected energy level and spatial location of said energy flux detected by said at least one sensor; and
display means for automatically indicating when said comparing means determines that the energy level and spatial location of the energy flux detected by said at least one sensor matches the stored index. - View Dependent Claims (2, 3)
- means for generating an energy flux which is transmitted inside of said container;
Specification
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Current AssigneeMitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
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Original AssigneeMitsubishi Denki Kabushiki Kaisha (Mitsubishi Electric Corporation)
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InventorsTsuji, Hidekazu, Nomura, Yoshitada, Yoshida, Osami
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Primary Examiner(s)Howell, Janice A.
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Application NumberUS06/303,989Time in Patent Office869 DaysField of Search250/358.1, 250/359.1, 250/360.1, 378/57, 378/62US Class Current250/358.1CPC Class CodesG01N 23/04 and forming images of the m...G01N 23/083 the radiation being X-raysG01V 5/22 Active interrogation, i.e. ...
