Patent ID: 6182006
Filing Date: 2001-01-30
Classification: G01C

Abstract:
An improved remote control unit for a navigation system, wherein the navigation system is installed in a vehicle and wherein said improved remote control unit comprises:a housing removable from said vehicle and having a size suitable for holding in a hand of a driver of said vehicle;an energy supply mounted in said housing;a user interface located on said housing by which the driver can manually input commands for control of said navigation system;a data transmission interface located on said housing by which data signals embodying the commands input by the driver are transmitted from said housing to a data input port on said navigation system wherein said data transmission interface is coupled to receive energy for operation thereof from said energy supply;a re-writable data storage memory located in said housing;a data reception interface located on said housing through which data from an external computing device other than the navigation system can be input into said re-writable memory; andprogramming stored within said housing providing for operating the data reception interface to receive data therefrom for temporary storage in said re-writable data storage memory and transmission therefrom via said data transmission interface.