RADIO FREQUENCY IDENTIFICATION (RFID) TAG INCLUDING A THREE-DIMENSIONAL LOOP ANTENNA
摘要
This disclosure describes a radio frequency identification (RFID) tag that includes a three-dimensional (3D) loop antenna. The 3D loop antenna includes a first conductive portion having a length and width that substantially exceed a thickness. The length and width of the first conductive portion substantially lie in a first plane. The 3D loop antenna includes a second conductive portion having a length and width that substantially exceed a thickness. The length and width of the second conductive portion substantially lie in a second plane that is substantially parallel to the first plane. An RFID circuit electrically connected to the loop antenna excites a current through the first and second conductive portions in a current loop that lies in a third plane that is not substantially parallel to the first and second planes. In some instances the third plane may be substantially perpendicular to the first and second planes.
申请公布号
WO2009102714(A2)
申请公布日期
2009.08.20
申请号
WO2009US33671
申请日期
2009.02.10
申请人
3M INNOVATIVE PROPERTIES COMPANY
发明人
BANERJEE, SWAGATA R.,;SAINATI, ROBERT A.,;EGBERT, WILLIAM C.,;MISEMER, DAVID K.,