RFID for location of the load on a tower crane
US9296594B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2014 |
| Grant date | Mar 29, 2016 |
| Priority date | — |
| Expiry date | Jul 12, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06K7/10366
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
A radio frequency identification (RFID) tower crane load locator and sway indicator is disclosed and includes: a plurality of RFID tags at different locations on or around the tower crane; at least two RFID readers at different locations on the tower crane; a navigation satellite system (NSS) position receiver; and a load information interface. The RFID readers comprising a range determiner to provide range measurements between each of the RFID readers and each of the plurality of RFID tags. The sway determiner is coupled with a hook block of the tower crane. The NSS position receiver is coupled with the tower crane. The load information interface to combine information from range measurements, the sway determiner and the NSS position receiver 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.