Navigation system for leading to a destination and recording med

Details Navigation system for leading to a destination and recording med Navigation system for leading to a destination and recording med

1996-05-16

1998-12-01

Zanelli, Michael

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

701211, 340995, G08G 10969, G01C 2100

Patent

active

058452265

ABSTRACT:
Electronic information such as pieces of map information, pieces of index information, pieces of route searching information, pieces of local facility information, pieces of audio information, pieces of dynamic image information and pieces of static image information are recorded in a CD-ROM. A part of electronic information are compressed, and any pieces of information in the remaining part of electronic information is not compressed. When an operator input a current position, a pieces of particular electronic information corresponding to a peripheral area of the current position is read from the CD-ROM to a navigation apparatus, it is judged by a compression mode judging unit whether or not the particular electronic information is compressed. In cases where the particular electronic information is compressed, the particular electronic information is expanded in an expanding unit, and a map image of the peripheral area is prepared in an navigation control unit and is displayed on a display. Therefore, because a part of electronic information are compressed, a large volume of electronic information can be recorded in the CD-ROM, and a navigating operation can be performed at various functions and high performance in a navigation system.

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patent: 5481701 (1996-01-01), Chambers, IV
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