Position privacy in an electronic device
First Claim
Patent Images
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; and
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.
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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.
39 Citations
19 Claims
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1. A method, comprising:
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operating a navigation system that determines a current location and provides navigation information that guides from the current location to a desired location; and 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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 15, 16, 17, 18)
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12. A navigation system, comprising:
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a communicating device, having a user interface; a position detecting part, determining a current position, and sending information indicative of said current position using said communicating device; a display screen, showing a map obtained from said communicating device responsive to said sending of information, said user interface enabling selecting an area on the map; and a navigation part, which provides instructions to a user indicative of navigation to a desired location; wherein said navigation part includes a first part which determines a location on the map that was selected by the user, sends information indicative of said location using said communicating device and receives navigation information over said communicating device, wherein a zoom level of a map obtained indicative of said navigation to said desired location is different than a zoom level of a map used for selecting said area. - View Dependent Claims (13, 14, 19)
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Specification