Personal navigation assistant system and apparatus

Details Personal navigation assistant system and apparatus Personal navigation assistant system and apparatus

2007-08-28

2007-08-28

Le, Danh (Department: 2617)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S456500, C455S456100, C701S200000, C701S201000, C342S357490, C342S357490

Reexamination Certificate

active

11018607

ABSTRACT:
A personal location system including signal-transmitting RFID tags associated with various landmarks, such as hallways of buildings. The system's personal receiver is preloaded with information about the building, equivalent to a map, and receives the RFID signals. These signals, in conjunction with the stored map, allow the environment to be displayed, and the location of the user to be identified. The receiver may be loaded with the map information by means of a device(s) located at the entrance(s) of the building.

REFERENCES:
patent: 5873041 (1999-02-01), Ishii
patent: 7035650 (2006-04-01), Moskowitz et al.
patent: 2002/0013153 (2002-01-01), Wilcock et al.
patent: 2002/0045455 (2002-04-01), Spratt
patent: 2003/0195005 (2003-10-01), Ebata
patent: 2004/0024522 (2004-02-01), Walker et al.
patent: 2004/0198395 (2004-10-01), Kimoto et al.

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