Positioning system, apparatus and method

Details Positioning system, apparatus and method Positioning system, apparatus and method

2007-05-01

2007-05-01

Phan, Dao (Department: 3662)

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

Directive

Position indicating

C342S463000

Reexamination Certificate

active

10540101

ABSTRACT:
A positioning system, apparatus and method include a transmitter (2), a receiver (4) and a plurality of reflectors (6). A signal is transmitted from transmitter to receiver both directly and via the reflectors (6). A location server (8) calculates the unknown position of the transmitter or receiver by identifying signal components (40) with reflectors (6).

REFERENCES:
patent: RE31509 (1984-01-01), Neidell
patent: 4746924 (1988-05-01), Lightfoot
patent: 5534876 (1996-07-01), Erickson et al.
patent: 6133876 (2000-10-01), Fullerton et al.
patent: 6580393 (2003-06-01), Holt
patent: 2002/0196187 (2002-12-01), Holt

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