Nuisance cell phone locator

Details Nuisance cell phone locator Nuisance cell phone locator

2003-04-15

2008-10-28

Smith, Creighton H (Department: 2614)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S279100

Reexamination Certificate

active

07444154

ABSTRACT:
This invention covers the use of multiple internal antennas to locate a nuisance cell phone which is being inappropriately operated. For a largely 1-dimensional layout like an airplane, an embodiment teaches the location being done by using differential timing teaches the use of either differential timing or a bearing angle technique. For a largely 2-dimensional layout, such as a theater, the invention uses either differential timing or a bearing angle approach.

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