Patent ID: 7693656
Filing Date: 2010-04-06
Classification: G01C

Abstract:
1. A navigation apparatus comprising: a validating condition storage unit configured to store, as a validating condition, a validating route or validating point, the stored validating route or validating point being previously registered by an authorized user; a position detector configured to detect a position; a traveled record designation unit configured to designate a traveled record based on the detected position; an invalidating control unit configured to invalidate a predetermined function; and a validating control unit configured to validate the predetermined function invalidated by the invalidating control unit when the stored validating route or validating point previously registered as the validating condition by the authorized user is included in the designated traveled record, wherein: a predetermined grace period starts after a start-up, which is for a first time after a battery is connected or which results from turning on of a power source; the predetermined function is invalidated when a predetermined condition is fulfilled; the predetermined condition is fulfilled when the predetermined grace period elapses to thereby invalidate the predetermined function.