Position privacy in an electronic device

Details Position privacy in an electronic device Position privacy in an electronic device

2007-07-15

2010-10-19

Phan, Dao L (Department: 3662)

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

Directive

Including a satellite

C701S208000, C701S213000

Reexamination Certificate

active

07817085

ABSTRACT:
A privacy enhancement device for electronic device such as a cellular telephone. The privacy enhancement device may include a jammer which may produces false information, e.g. false information indicative of pseudo ranges. In addition, the navigation information used on the position detecting device may be locally stored versions of dynamically changing information. The navigation operation may be carried out using a Web service.

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Location Services (Position Determination Service), Aug. 1999.

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