Navigation device, navigation system, navigation method, and program
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Accused Products
Abstract
A navigation device (10) of this invention has a position information reception unit (12), which obtains current position information from a GPS (20); a MAPDB (14), which stores map information; a direction detection sensor (17), which detects direction information; a input unit (16), which inputs search conditions; a communication control unit (13), which sends current position information to a navigation server (30), and obtains map information of a prescribed area from the navigation server (30); a central processing portion (11), which stores map information obtained by the communication control unit (13) into a MAPDB (14), in addition searches information of the desired surrounding area, based on map information, on direction information detected by a bearing censer (17), and on search conditions input from the input unit (16); and a display unit (15) for displaying the searched information of the surrounding area. By this means, a navigation device is provided, which is able to automatically and promptly search and provide information of the surrounding area only in the specified direction.
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Citations
31 Claims
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1-12. -12. (canceled)
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13. A navigation device for providing information of the surrounding area, comprising:
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position information reception means for obtaining current position information;
map information storage means for storing map information of a prescribed area;
direction detection means for detecting direction information;
input means for inputting search conditions;
communication control means for sending said current position information obtained by said position information reception means, for sending said search conditions input by said input means, and for obtaining map information of the prescribed area;
central processing means for storing said map information of the prescribed area obtained by said communication control means, into said map information storage means, and in addition for searching information of the desired surrounding area, based on map information of the prescribed area stored in said map information storage means, on direction information detected by said direction detection means, and on search conditions including a search range input by said input means; and
display means for displaying said information of the surrounding area searched by said central processing means. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A navigation method for providing information of the surrounding area, comprising the steps of:
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(A) obtaining current position information;
(B) sending said current position information and search conditions, obtaining map information of a prescribed area, and storing map information of the prescribed area;
(C) detecting direction information;
(D) searching information of the desired surrounding area, based on said stored map information of the prescribed area, on said detected direction information, and on input search conditions including a search range; and
(E) displaying said searched information of the surrounding area. - View Dependent Claims (29, 30, 31)
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Specification