Data terminal device

Details Data terminal device Data terminal device

2003-06-26

2008-12-30

Nguyen, Quynh H (Department: 2614)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C701S220000, C701S221000, C701S222000, C701S223000, C701S224000, C701S225000

Reexamination Certificate

active

07471952

ABSTRACT:
A position data receiving part receives position data transmitted from an artificial satellite. A wireless unit transmits and receives data with respect to a base station. A detailed map data memory part stores detailed map data received by the wireless part. Scale determining part determines the scale of the road map according to a plurality of position data received a plurality of times by the position data receiving part. A display part displays the road map of the scale determined by the scale determining part and detailed map data stored in the memory part.

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European Search Report issued Dec. 23, 2003.

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