Vehicle navigation system
First Claim
1. Vehicle navigation system for a vehicle operable by an operator, comprising:
- means for storing data representing a road map including roads and junctions of said roads over which said vehicle can travel and a plurality of available routes over said roads;
means for processing and at least partly displaying said data representing said road map, said means for processing and displaying being connected to said means for storing;
manually operable means for following said data displayed on said means for processing and displaying so as to select a desired route for travel of said vehicle, wherein said desired route is not necessarily one of said available routes;
input means for storing said desired route selected by operation of said manually operable means;
correlation means for comparing said desired route stored in said input means with said available routes in said means for storing data to find a selected route of said available routes closest to said desired route;
memory means for storing said selected route connected to said correlation means; and
control means connected to said memory means for displaying said selected route.
1 Assignment
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Accused Products
Abstract
A vehicle navigation system for a vehicle operable by an operator includes a memory for storing data representing a road map including roads and their junctions over which the vehicle can travel as well as a number of available routes over the roads; a display and processing device for some of the data; a light pen device for following map data displayed on the display device to selected a desired route for vehicle travel, not necessarily one of the stored available routes; an input device for storing the desired route selected by operation of the light pen device; a correlation device for comparing the desired route stored in the input device with the available routes in memory to find a selected route which is closest to the desired route; an additional memory for storing the selected route connected to the correlation device; and a control unit connected to the additional memory for displaying and/or communicating the selected route to the operator.
99 Citations
6 Claims
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1. Vehicle navigation system for a vehicle operable by an operator, comprising:
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means for storing data representing a road map including roads and junctions of said roads over which said vehicle can travel and a plurality of available routes over said roads; means for processing and at least partly displaying said data representing said road map, said means for processing and displaying being connected to said means for storing; manually operable means for following said data displayed on said means for processing and displaying so as to select a desired route for travel of said vehicle, wherein said desired route is not necessarily one of said available routes; input means for storing said desired route selected by operation of said manually operable means; correlation means for comparing said desired route stored in said input means with said available routes in said means for storing data to find a selected route of said available routes closest to said desired route; memory means for storing said selected route connected to said correlation means; and control means connected to said memory means for displaying said selected route. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification