METHOD AND SYSTEM FOR MOBILE DEVICE SELECTIVELY REPORTING OF GPS POSITION INFORMATION TO OTHERS

摘要

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.

主权项

1. A method, comprising:
operating a navigation system that determines a current location and provides navigation information that guides from the current location to a desired location; displaying a graphical user interface, formed of a local area map, said local area map including at least one landmark thereon; detecting selection of a desired location for navigation by selecting an area on said map and providing navigation information to said desired location; and automatically changing an amount of zoom on the map responsive to said selecting said area on the map.