Boots – shoes – and leggings
Patent
1993-11-18
1995-11-14
Teska, Kevin J.
Boots, shoes, and leggings
364444, 340990, 340495, G06F 1700
Patent
active
054672767
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The present invention relates to a navigation apparatus and navigation method, and more particularly, to a navigation apparatus and navigation method for determining routes (or passages) between the present position of a moving object and a destination to be reached by the moving object, along which the moving object moves to reach the destination, and presenting the route or routes to a driver through a display to thereby support the journey of the moving object.
BACKGROUND OF THE INVENTION
A conventional navigation apparatus applied, for example, to an automobile can be roughly classified into a route-guiding type apparatus and a non-route-guiding type apparatus.
The route-guiding type navigation apparatus displays information about an optimum route for reaching a destination on a screen of a display device. The optimum route for reaching the destination is automatically calculated by a computer accommodated in the navigation apparatus by inputting the present position and destination of the automobile before starting a journey. While travelling, a driver drives the automobile guided by information about the route displayed on the display screen until the automobile reaches the destination. Nevertheless, the conventional route-guiding type apparatus is impractical because of the difficulty related to the ability of the driver, errors of a locator and timing for indicating the route.
The non-route-guiding type navigational apparatus only displays a map as well as a present position, travelling locus, travelling direction and the like in the map on the screen of the display device and does not positively provide the driver with guiding information. Therefore, this navigation apparatus cannot achieve the original purpose of navigation.
As described above, the information presented by the non-route-guiding type navigational apparatus is less valuable to the driver. Further, the driver is prevented from paying attention to the forward direction of his automobile by observing the map on the screen while driving. Thus, a safety problem arises. On the other hand, information presented by the route-guiding type navigational apparatus forces the driver to travel along the designated route, thereby placing strong psychological stress on the driver and thus raises the possibility of causing danger. Further, according to present technology, since an instruction on the route is given to the driver without taking actual traffic conditions while travelling into consideration, a problem arises in that the navigational apparatus is less valuable when practically applied.
Taking the problems of the conventional navigation apparatus into consideration, an object of the present invention is to provide a practical and safe navigation apparatus and navigation method which can present valuable information to a driver without applying stress to him.
SUMMARY OF THE INVENTION
A navigation apparatus and navigation method according to the present invention are arranged as described below.
The navigation or navigational apparatus according to the present invention is mounted on a moving object and includes an input section, a central processing section, a memory section and a display section. When data about the present position and the destination of the moving object are given to the central processing section, the navigational apparatus produces a route along which the moving object can reach the destination by using data, such as a map and the like, stored in the memory section. The central processing section includes a possible route calculation means for determining two or more routes as possible routes when the present position and destination of the moving object are given. The two or more routes are displayed on the display section.
In the above arrangement, it is preferable that the central processing section includes a connection route calculation means for determining a connection route for connecting between the two or more possible routes. The connection route is also displayed on the displ
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patent: 5031104 (1991-07-01), Ikeda et al.
patent: 5206811 (1993-04-01), Itoh et al.
patent: 5220507 (1993-06-01), Kirson
patent: 5243528 (1993-09-01), Lefebvre
patent: 5270937 (1993-12-01), Link et al.
patent: 5272638 (1993-12-01), Martin et al.
Teska Kevin J.
Wieland Susan
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