Patent ID: 9477400
Filing Date: 2016-10-25
CPC Classification: G01C,G06F

Claim Text:
1. A method for displaying icons representing a type of places of interest for a navigation system, comprising the following steps of: checking, by using a processor, whether a map image is displayed on a monitor screen of a navigation system; detecting an activity of hand-writing a character & symbol drawing by a user on the map image shown on the monitor screen; determining a category of the icons intended by the user with respect the map image based on the character & symbol drawing specified by the user; determining a minimum surrounding rectangle of the character & symbol drawing specified by the user where the minimum surrounding rectangle is a smallest rectangle inwardly tangential to an outer shape of the character & symbol drawing; determining an applicable area on the map image for applying an icon display operation based on the minimum surrounding rectangle of the character & symbol drawing specified by the user; checking a prescribed data table based on the category of the icons and the applicable area selected by the character & symbol drawing by the user in the foregoing steps; and changing the manner of displaying the icons on the map image with respect to the category and applicable area determined by the character & symbol drawing: and wherein the character & symbol drawing is a handwritten drawing by the user that serves to define both the category of the icons and the applicable area at the same time.