Patent ID: 7493216
Filing Date: 2009-02-17
Classification: G01S,H04B,H04M

Abstract:
1. A GPS (Global Positioning System) receiver, comprising: at least one GPS signal processor configured to process GPS signals received from one or more satellites; at least one mobile terminal side plug connector arranged to connect the GPS receiver to a mobile communication terminal; at least one cradle/hand-free side receptacle connector arranged to connect the GPS receiver to an external poxver supply that is external to both said mobile communication terminal and the GPS receiver, wherein in response to the GPS receiver being connected in between the external power supply and the mobile communication terminal, an internal power supply of the mobile communication terminal is recharged by the external power supply; a first internal power supply configured to power the GPS signal processor in a first state, wherein the first internal power supply does not provide power to the mobile communication terminal; and a second internal power supply configured to power the GPS signal processor in a second state to maintain power to a memory for storing GPS data while said at least one GPS signal processor is in the second state.