Navigation device

Details Navigation device Navigation device

1996-09-06

1999-01-19

Chin, Gary

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701208, 701117, 340990, 340995, G06F16500

Patent

active

058625100

ABSTRACT:
A navigation device comprises a traffic information receiving means (103) for receiving traffic information, and a display form controlling unit (107) for displaying a traffic-jam indicating line along a road in a traffic jam on a road map displayed on a display device (106), and for changing display forms, such as the colors or widths, of either roads or traffic-jam indicating lines on the road map on-screen when the display form controlling unit determines from the traffic information received that a number of links each of which are respectively connecting two nodes such as intersections and includes a congested road section is equal to or more than a predetermined number or when the scale of the road map displayed on the display device is smaller than a predetermined scale.

REFERENCES:
patent: 5257023 (1993-10-01), Furuya
patent: 5313200 (1994-05-01), Sone
patent: 5523950 (1996-06-01), Peterson
patent: 5583494 (1996-12-01), Mizutani et al.
patent: 5694122 (1997-12-01), Nakada
patent: 5712632 (1998-01-01), Nishimura

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