Map distribution system and terminal device used in the same

Details Map distribution system and terminal device used in the same Map distribution system and terminal device used in the same

2006-11-07

2006-11-07

Jeanglaude, Gertrude A. (Department: 3661)

Data processing: vehicles, navigation, and relative location

Navigation

Employing position determining equipment

C701S211000, C701S212000, C340S995180, C340S995190, C342S357490

Reexamination Certificate

active

07133773

ABSTRACT:
A map distribution system, includes an information center that stores the latest map information and a terminal device including a communication unit, a map storing unit, and a control information storing unit. The communication unit transmits information to the information center and receives information from the information center. The map storing unit stores map information. The control information storing unit stores control information associated with the map information. The terminal device transmits the control information to the information center every prescribed timings. The information center transmits the latest control information to the terminal device in response to the transmitted control information. The terminal device rewrites the control information stored in the control information storing unit to the latest control information.

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Patent Abstract of Japan, vol. 2002, No. 11, Nov. 6, 2002 & JP 2002 188927 A (Matsushita Electric Ind Co Ltd). Jul. 5, 2002.

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