Detector system for detecting the direction in which an item...

Communications: electrical – Condition responsive indicating system – Specific condition

Reexamination Certificate

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Details

C324S165000, C340S995280, C235S462460

Reexamination Certificate

active

07821416

ABSTRACT:
The invention relates to a goods transport vehicle including a detector system for detecting the direction in which an item passes through a loading/unloading door on the vehicle, the detector system including:a first read-interrogate element including a first antenna having a first detection lobe, the first read-interrogate element monitoring a first region situated on one side of the loading/unloading door;a second read-interrogate element including a second antenna having a second detection lobe that does not overlap the first detection lobe, the second read-interrogate element monitoring a second region situated on the other side of the loading/unloading door; andprocessor means connected to the first and second read-interrogate elements, the processor means determining the direction in which the item passes through as a function of the order in which the two regions are crossed.

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