Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
135 words
A navigation device comprising: means (20,21,22) for measuring a present position of a movable body equipped with said navigation device; and means (25) for displaying map information, characterized in that said navigation device further comprises: means (30) for storing destination information including at least positional information of a destination to which said movable body is scheduled to move, and an estimated time to arrive at the destination; and a control means (27) for controlling said displaying means to display the map information, which corresponds to the measured present position, and display the measured present position on the displayed map information, selecting destination information, which corresponds to a destination located in said displayed map information, from the stored destination information, and controlling said displaying means to display the selected destination information on the displayed map information.
Claim 2
Dependent Claim
34 words
A navigation device according to claim 1, characterized in that said measuring means comprises at least one of a GPS (Global Positioning System) receiver (20), an azimuth sensor (21), and a driving sensor (22).
Claim 3
Dependent Claim
24 words
A navigation device according to claim 1 or 2, characterized in that said destination information storing means (30) comprises a RAM (Random Access Memory).
Claim 4
Dependent Claim
19 words
A navigation device according to claim 3, characterized in that said RAM (30) comprises a battery-backup type nonvolatile RAM.
Claim 5
Dependent Claim
26 words
A navigation device according to any one of claims 1 to 4, characterized in that said navigation device further comprises means (23) for storing map information.
Claim 6
Dependent Claim
23 words
A navigation device according to claim 5, characterized in that said map information storing means (23) comprises a CD-ROM (Compact Disc-Read Only Memory).
Claim 7
Dependent Claim
39 words
A navigation device according to any one of claims 1 to 6, characterized in that said navigation device further comprises means for inputting the destination information to said destination information storing means from the external of the navigation device.
Claim 8
Dependent Claim
33 words
A navigation device according to claim 7, characterized in that said inputting means comprises one selected from a group of RS232C interface, an IC (Integrated Circuit) card interface, and an electric wave receiver.
Claim 9
Dependent Claim
61 words
A navigation device according to any one of claims 1 to 8, characterized in that said control means (27) is adapted to calculate a distance from the measured present position to the destination, and a changing rate of the calculated distance, and judge whether or not said movable body has passed the destination on the basis of the calculated changing rate.
Claim 10
Dependent Claim
36 words
A navigation device according to any one of claims 1 to 9, characterized in that said control means (27) is adapted to control said displaying means (25) to change the brightness of the displayed destination information.