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1.发明公开SYSTEMS AND METHODS FOR REDUCING WEIGHING ERRORS ASSOCIATED WITH PARTIALLY OFF-SCALE ITEMS 审中-公开系统和技术，减少用部分外调整位于报道相关的称量误差
公开(公告)号：EP2373960A4
公开(公告)日：2013-05-22
申请号：EP09832495
申请日：2009-12-09
CPC分类号： G01G19/4144 , G01G23/00 , G01G23/3735 , G06K9/3216
摘要： Systems and methods are provided for reducing erroneous weighing of items by detecting items extending beyond a peripheral edge of a weigh platter associated with a data reader. For example, in response to a weigh request a scale guard module acquires data indicative of whether an item extends between the weigh platter and another surface, compares the acquired data to reference data, and based on the comparison, determines whether an item extends off the weigh platter and thus on to another surface. The scale guard module may utilize non-electromagnetic compression waves, radio waves, a portion of a data reader's scan field to scan a set of patterns extending along at least one edge of the weigh platter, an imaging based scanner to capture an image of at least one edge of the weigh platter, light beams extending along at least one edge of the weigh platter, or any combination thereof.
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