| US 7,576,652 B2 | ||
| Method and apparatus for estimating a position of detected goods and controlling movement/swinging of an RFID reader in response to the estimated position of the goods | ||
| Satoru Watanabe, Kawasaki (Japan); Tatsuro Matsumoto, Kawasaki (Japan); Masayuki Fukui, Kawasaki (Japan); Eiichi Takahashi, Kawasaki (Japan); Kazuo Sasaki, Kawasaki (Japan); and Ai Yano, Kawasaki (Japan) | ||
| Assigned to Fujitsu Limited, Kawasaki (Japan) | ||
| Filed on Dec. 27, 2006, as Appl. No. 11/645,676. | ||
| Claims priority of application No. 2006-039814 (JP), filed on Feb. 16, 2006. | ||
| Prior Publication US 2007/0194921 A1, Aug. 23, 2007 | ||
| Int. Cl. G08B 13/14 (2006.01) | ||
| U.S. Cl. 340—572.1 [340/10.1] | 20 Claims |
| 1. An RFID reading method for reading information stored in an RFID by a reader that is provided so as to be movable, and
reads, in a noncontact manner, information stored in the RFID provided to a goods conveyed by a conveying apparatus, said
method comprising the steps of:
presuming a presence position, where the goods is present, on said conveying apparatus based on a detection value of a presence
detection sensor that detects presence of the goods conveyed by said conveying apparatus; and
controlling a movement of said reader so that the reader stays, for a predetermined time, in a space where said reader can
read the information from the RFID that is present in the presumed presence position.
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