Walker navigation device, walker navigation method, and program
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Accused Products
Abstract
A pedestrian navigation device (10A) of this invention has a position information reception unit (12), which obtains current position information from a GPS (20); a position information analysis unit (13), which calculates the current position by analyzing received current position information; a MAPDB (Map Data Base) (14), which stores map information; a multi.-path control unit (17), which specifies a multi-path control distance to control multi-path interference; a central processing portion (11), which calculates current position display information, based on the current position calculated by the position information analysis unit (13), on map information stored in the MAPDB (14), and on the multi-path control distance specified by the multi-path control unit (17); a display unit (15), which displays current position display information; and an input unit (16), which inputs distance specification value and route search conditions and issues instructions to begin navigation. By this means, a pedestrian navigation device is provided, which enables to accurately navigate the route of a pedestrian by appropriately correcting the multi-path interference.
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Citations
36 Claims
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1-18. -18. (canceled)
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19. A pedestrian navigation device for navigating the route of a pedestrian, comprising:
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position information reception means for obtaining current position information;
position information analysis means for calculating a current position by analyzing said current position information received by said position information reception means;
map information storage means for storing map information;
multi-path control means for specifying a multi-path control distance to control multi-path interference;
central processing means for calculating current position display information, based on said current position calculated by said position information analysis means, on said map information stored by said map information storage means, and on said multi-path control distance specified by said multi-path control means;
display means for displaying said current position display information calculated by said central processing means; and
,input means for inputting a distance specification value to specify said multi-path control distance; and
characterized in thatsaid multi-path control means specifies said multi-path control distance according to said distance specification value input by said input means. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. A pedestrian navigation device for navigating the route of a pedestrian, comprising:
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position information reception means for obtaining current position information;
position information analysis means for calculating current position by analyzing said current position information received by said position information reception means;
map information storage means for storing map information;
multi-path control means for specifying multi-path control distance to control multi-path interference;
multi-path history storage means for storing multi-path history information relating past multi-path control distance and map information;
central processing means for calculating current position display information, based on said current position calculated by said position information analysis means, on said map information stored by said map information storage means, and on said multi-path control distance specified by said multi-path control means;
display means for displaying said current position display information calculated by said central processing means; and
,input means for inputting a distance specification value to specify said multi-path control distance; and
characterized in that by said multi-path control means,(a) if the distance specification value is input by said input means, said multi-path control distance is specified according to said distance specification value;
but(b) if the distance specification value is not input by said input means, said multi-path history information stored by said multi-path history storage means is searched, based on said current position calculated by said position information analysis means, and on said map information stored by said map information storage means; and
(b-1) if said multi-path history information is stored by said multi-path history storage means, said multi-path control distance is specified based on said multi-path history information;
but(b-2) if said multi-path history information is not stored by said multi-path history storage means, said multi-path control distance is specified, based on said current position calculated by said position information analysis means, and on mesh data of said map information stored by said map information storage means. - View Dependent Claims (27, 28)
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29. A pedestrian navigation method for navigating the route of a pedestrian, comprising the steps of:
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(A) receiving current position information;
(B) calculating a current position by analyzing said obtained current position information;
(C) specifying a multi-path control distance to control multi-path interference according to a input distance specification value to specify the multi-path control distance;
(D) calculating current position information, based on said calculated current position, on map information prepared beforehand, and on said specified multi-path control distance; and
(E) displaying said calculated current position display information.
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30. A program for allowing a portable terminal to navigate a pedestrian route, which realizes in the portable terminal the functions of the pedestrian navigation methods according to 29.
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31. A pedestrian navigation method for navigating the route of a pedestrian, comprising the steps of:
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(A) obtaining current position information;
(B) calculating a current position by analyzing said obtained current position information;
(C) regarding a multi-path control distance to control multi-path interference, (C-1) if the distance specification value is input, specifying a multi-path control distance according to said distance specification value13 G but (C-2) if the distance specification value is not input, specifying a multi-path control distance, based on said calculated current position, and on mesh data of said map information prepared beforehand; and
(D) calculating current position display information, based on said calculated current position, on map information prepared beforehand, and on said specified multi-path control distance; and
(E) displaying said calculated current position display information.
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32. A program for allowing a portable terminal to navigate a pedestrian route, which realizes in the portable terminal the functions of the pedestrian navigation methods according to 31.
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33. A pedestrian navigation method for navigating the route of a pedestrian, comprising the steps of:
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(A) obtaining current position information;
(B) calculating a current position by analyzing said obtained current position information;
(C) when specifying a multi-path control distance to control multi-path interference and in addition relating map information and the multi-path control distance to store as multi-path history information, (C-1) if the distance specification value is input, said multi-path control distance is specified according to said distance specification value, and in addition map information and the multi-path control distance are related to be stored as multi-path history information;
but(C-2) if the distance specification value is not input, multi-path history information is searched, based on said calculated current position, and on said map information prepared beforehand; and
(C-2-1) if said multi-path history information is stored, said multi-path control distance is specified based on said multi-path history information;
but(C-2-2) if said multi-path history information is not stored, said multi-path control distance is specified, based on said calculated current position, and on mesh data of said map information prepared beforehand, and in addition map information and the multi-path control distance are related to be stored as multi-path history information;
(D) calculating current position display information, based on said calculated current position, on map information prepared beforehand, and on said specified multi-path control distance; and
(E) displaying said current position display information. - View Dependent Claims (34)
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35. A program for allowing a portable terminal to navigate a pedestrian route, which realizes in the portable terminal the functions of the pedestrian navigation methods according to 34.
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36. A program for allowing a portable terminal to navigate a pedestrian route, which realizes in the portable terminal the functions of the pedestrian navigation methods according to 33.
Specification