Navigation system using portable phone and navigation method usi

Details Navigation system using portable phone and navigation method usi Navigation system using portable phone and navigation method usi

1997-05-28

2000-02-22

Urban, Edward F.

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455414, 455457, H04Q 700

Patent

active

060290692

ABSTRACT:
A name and a location of a building within a control area are correlated with a registered phone number. A map covering the control area and its periphery is stored based on the building. The destination building is searched based on the destination and navigation request. A plurality of voice direction messages are stored for directing the navigation. A plurality of question messages are stored for demanding the user to respond according to a predetermined format so as to specify the present location. When the navigation route extends over a plurality of control areas each controlled by a different base station, such information containing the destination, navigation request, present location and route is shared by those different base stations.

REFERENCES:
patent: 5182555 (1993-01-01), Sumner
patent: 5187810 (1993-02-01), Yoneyama et al.
patent: 5398189 (1995-03-01), Inoue et al.
patent: 5504482 (1996-04-01), Schreder
patent: 5548822 (1996-08-01), Yogo
patent: 5809447 (1998-09-01), Kato et al.
Nikkei Electronics, Mar. 25, 1996, No. 658, p. 9, NEC.

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