Patent ID: 8265866

Claim:
A navigation device comprising: a processing device; a memory communicatively coupled to said processing device, said memory comprising a database of cartographic navigation map data; a first sensor operable to provide location data to said processing device; a display operatively coupled to said processing device; a gyroscope; and at least one image acquisition device operatively coupled to said processing device, said processing device programmed to, when in a first mode of operation, to cause said display to display a portion of the cartographic navigation map data, the displayed portion based on the location data received by said processing device, and said processing device configured, when in a second mode of operation, to cause said display to display an image acquired by said at least one image acquisition device, the image overlaid by one or more symbols indicative of one or more points of interest within the database of cartographic navigation map data, the one or more symbols correlated to the acquired image based on the location data received by said processing device, said at least one image acquisition device being operable to provide a view angle and a focal length of a lens associated with said at least one image acquisition device to said processing device, said gyroscope being operable to determine which direction the lens of said at least one image acquisition device is directed, the directional information calculated by said processing device using received gyroscope data, and said processing device being programmed to correlate the view angle, focal length, and directional information with the map data in said database to assign a coordinate to each symbol on said display by calculating its relative position to an edge of the acquired image.