Patent ID: 9589162
Date: 2017-03-07
CPC Classifications: G05B,G06K,G06Q,G08C,H01H,H04Q,Y02B,Y04S

Claim:
1. A method comprising: detecting, by a radiofrequency identification (RFID) reader, a transmission condition of an RFID tag interacting with an RFID tuner configured to form a portion of a circuitry of the RFID tag, the RFID tag being associated with one of a moveable object or a receiving surface and the RFID tuner being associated with the other of the moveable object or the receiving surface, wherein a first transmission condition of the RFID tag is detected when the RFID tag is at a first distance relative to the RFID tuner, and a second transmission condition of the RFID tag is detected when the RFID tag is at a second distance relative to the RFID tuner; and identifying a position of the moveable object relative to the receiving surface based at least in part on the detected transmission condition of the RFID tag.