A machine readable code is defined by a portion of graphical indicium located on a substrate; wherein the code is delimited by a temporary boundary that is generated by a reading machine relative to a fixed trigger point only when the code is being read.
申请公布号
US8123139(B2)
申请公布日期
2012.02.28
申请号
US20100822720
申请日期
2010.06.24
申请人
PINCHEN STEPHEN PAUL;RASMUSSEN JENS JACOB JUUL;FRACTURE CODE CORPORATION