Patent ID: 8738175

Claim:
A radio frequency identification (RFID) tower crane load locator and sway indicator comprising: a range determiner to provide range measurements between an RFID reader and each of a plurality of RFID tags, wherein the RFID reader is located at a location from the group consisting of: a cab of a tower crane, a trolley of a tower crane and a hook block of a tower crane; a first of the plurality of RFID tags is located at a location from the group consisting of: the cab of the tower crane, the trolley of the tower crane and the hook block of the tower crane, wherein the first of the plurality of RFID tags is not located in the same location as the RFID reader; and a second of the plurality of RFID tags is located at a location from the group consisting of: the cab of the tower crane, the trolley of the tower crane and the hook block of the tower crane, wherein the second of the plurality of RFID tags is not located in the same location as the first of the plurality of RFID tags or the RFID reader; a sway determiner coupled with a hook block of the tower crane, the sway determiner to provide sway information with respect to the hook block; a jib direction determiner to determine a direction that a jib of the tower crane is facing; and a load information interface to combine the range measurements, the sway determiner and the jib direction determiner to generate location and sway information of the load with respect to the tower crane and provide the location and sway information in a user accessible format.