Method and apparatus for determining adjacency of wireless...

Details Method and apparatus for determining adjacency of wireless... Method and apparatus for determining adjacency of wireless...

2007-08-14

2007-08-14

Milord, Marceau (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S558000, C455S406000, C455S067110, C455S063100, C455S067130, C455S115300, C455S115100, C705S026640, C235S380000, C235S462130, C713S186000, C713S176000

Reexamination Certificate

active

10965141

ABSTRACT:
One or more stationary wireless readers are used to determine the relative strength of calibration signals sent from fixed locations adjacent to POS terminals. Then, the signal strength of signals being transmitted by wireless devices within range of the one or more wireless readers is evaluated to determine the relative position of each wireless device to the POS terminals. This allows an operator of the POS system to determine the proximity of each wireless device relative to the POS terminals.

REFERENCES:
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patent: 6513015 (2003-01-01), Ogasawara
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patent: 7110792 (2006-09-01), Rosenberg
patent: 7133659 (2006-11-01), Zalewski et al.
patent: 7142813 (2006-11-01), Desai

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