发明名称 |
Position detecting system and RFID terminal |
摘要 |
A position detecting system includes an RFID terminal configured to transmit an identification information signal by radio; a plurality of receiving devices configured to receive the identification information signal; and a position detecting server configured to receive a reception notification of the identification information signal from each of the receiving device and configured to estimate a position of the RFID terminal. The RFID terminal includes a part configured to perform radio transmission of a plurality of identification information signals having different radio strengths. The position detecting server includes a part configured to integrate the reception notifications of the identification information signals having different radio strengths and configured to estimate the position of the RFID terminal.
|
申请公布号 |
US2007290855(A1) |
申请公布日期 |
2007.12.20 |
申请号 |
US20070892513 |
申请日期 |
2007.08.23 |
申请人 |
NAGINO HIDEKI;SAJIKAWA YASUYUKI |
发明人 |
NAGINO HIDEKI;SAJIKAWA YASUYUKI |
分类号 |
G08B13/14;G01S3/02;G01S5/14;G08B1/08;G08B21/00;H04W4/02;H04W64/00 |
主分类号 |
G08B13/14 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|