Patent ID: 8731820
Filing Date: 2014-05-20
Classification: G01C,G06F,G09B

Abstract:
1. A method for entering an address for a navigation system, comprising the following steps of: displaying a street name input field for accepting input characters entered by a user and a full keyboard having all alphabetic keys in a screen on a monitor; searching, by using a processor and a database, first street names that match input characters in the street name input field entered by the user through the full keyboard; determining candidate characters of the first street names that come after the input characters; determining whether a number of possible alphabets in the candidate characters immediately after the input characters is equal to or smaller than a first predetermined number; displaying a list of candidate street names comprising the candidate characters after the input characters and a simplified keyboard having a reduced number of alphabetic keys compared to the full keyboard in the screen on the monitor, if it is determined that the number of the possible alphabets immediately after the input characters is equal to or smaller than the first predetermined number; and searching, by using the processor and the database, second street names that match input characters in the street name input field entered by the user through the simplified keyboard and determining candidate characters of the second street names comprising possible alphabets that come after the input characters; wherein the reduced number of alphabetic keys of the simplified keyboard are associated with alphabets among the possible alphabets immediately after the input characters as next character inputs.