发明者
Nicolas Villar, Daniel Cletheroe, Greg Saul, Haiyan Zhang, Christian Holz, Oscar Salandin
发表日期
2017/5/4
专利局
US
专利申请号
15231760
简介
(57) ABSTRACT A short-range wireless tag has a conductive footprint which is not rotationally symmetric where this footprint is formed from an antenna within the short-range wireless tag and optionally one or more additional conductive areas within the short-range wireless tag. The orientation of Such a short-range wireless tag may be determined by a sensing Surface when the tag is placed on the Surface and where the Surface comprises an array of RF antennas and/or a capaci tive sensing electrode array.
引用总数
2019202020212022202312411
学术搜索中的文章
N Villar, D Cletheroe, G Saul, H Zhang, C Holz… - US Patent App. 15/231,760, 2017