Communications: electrical – Condition responsive indicating system – With particular coupling link
Reexamination Certificate
2005-09-20
2005-09-20
La, Anh V. (Department: 2636)
Communications: electrical
Condition responsive indicating system
With particular coupling link
C340S573100, C340S686100
Reexamination Certificate
active
06946956
ABSTRACT:
A locating system for determining a position of an object comprises a transmitting station that transmits a first ID signal containing a first identifier of this transmitting station; a receiving station that receives the first ID signal, measures the intensity of the first ID signal, and extracts the first identifier; a data management unit that stores and manages the intensity in association with the first identifier, the intensity and the identifier being supplied from the receiving station; and a positioning computer that estimates the position of the transmitting station using a first correcting formula defining a relation between the intensity and the distance, based on the data stored in the data management unit.
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Hayashi Hitoshi
Shibuya Akinori
Shimizu Masashi
Suda Hirohito
La Anh V.
Nippon Telegraph and Telephone Corporation
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