Position detecting system and position detecting server

Details Position detecting system and position detecting server Position detecting system and position detecting server

2007-08-23

2010-06-29

Phan, Dao L (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Position indicating

C342S450000, C340S572100, C340S686100

Reexamination Certificate

active

07746275

ABSTRACT:
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.

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Supplementary European Search Report dated Sep. 5, 2008 issued in corresponding European Application No. 05719843.4-2220.
Partial English Translation of Office Action dated Sep. 8, 2009.

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