Patent ID: 8031070

Claim:
System for producing location-based inventories of objects each furnished with an RFID transponder ( 24 ) designed to interact with an RFID reader/interrogator ( 30 ) and placed at different locations of a warehousing structure ( 10 ) including a plurality of rows ( 16 A- 16 C) supported by vertical uprights ( 18 A- 18 D), wherein each of the vertical uprights is furnished at each of the rows with an RFID location transponder ( 26 ) and wherein each of the beginning uprights ( 18 A) and end uprights ( 18 D) of a row is also furnished with a lock on marker ( 28 B) designed to device ( 28 A) associated with the RFID read/interrogator, wherein the system comprises: processing means ( 30 ; 32 ) for producing a location-based inventory of the objects present on the said warehousing structure according to information received from the RFID transponders and the RFID location transponders and for providing a location of the RFID reader/interrogator relative to the warehousing structure, reading of said received information being disabled by said processor means for the time necessary for the RFID reader/interrogator to pass from one row to another, the RFID reader/interrogator conducting multiple reads on each of the RFID transponders and the RFID location transponders; and a first filtration means for filtering data received and read from the RFID transponders and the RFID locator transponders by deleting spurious reads and by retaining only majority reads.