Invention Grant
US08222996B2 Radio frequency identification tags adapted for localization and state indication 有权
适用于定位和状态指示的射频识别标签

Radio frequency identification tags adapted for localization and state indication
Abstract:
An embodiment of the present invention provides a radio frequency identification (RFID) tag, comprising at least one light emitting diode (LED) that is controlled by the RFID's logic and powered by the RFID's power harvesting circuit, wherein the RFID tag is capable of being interrogated by an RFID reader and reporting its unique identification number by RF backscatter and/or controlling the illumination state of the at least one LED.
Information query
Patent Agency Ranking
0/0