METHOD OF GENERATING IMPROVED MAP DATA FOR USE IN NAVIGATION DEVICES Russian patent published in 2013 - IPC G06T1/00 G01C21/32 

FIELD: radio engineering, communication.

SUBSTANCE: disclosed is a method of generating improved map data for use in an electronic navigation device, the method comprising steps of: displaying map data, suitable for route guidance algorithms, on a display of the electronic navigation device; receiving a first input from a user on a user interface of the electronic navigation device to create a correction to an error in the map data, wherein the electronic navigation device is able to use the created correction without external processing of the correction; downloading to the electronic navigation device a correction to another error in the map data input by another user; and receiving a second input from the user on the user interface to include or exclude from route calculations at least one of said created correction and said downloaded correction, and calculating a route to a destination based at least on said received second input.

EFFECT: broader functional capabilities of means of correcting map data by using local correction of data and correction input by other users.

14 cl, 11 dwg