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Title:
POSITION LOCATION SYSTEM AND METHOD
Document Type and Number:
WIPO Patent Application WO2002054102
Kind Code:
A3
Abstract:
A system for determining a position of a user. The system includes a distance sensor (12) in communication with a position tracking device (14). The distance sensor is for detecting movement by the user, and the position tracking device is for determining the position of the user based on detection of movement by the user and a relative change in direction input from the user.

Inventors:
HILLS ALEXANDER H
SCHLEGEL JON P
RAPPARD MITCHELL A
Application Number:
PCT/US2002/000206
Publication Date:
October 17, 2002
Filing Date:
January 04, 2002
Export Citation:
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Assignee:
UNIV CARNEGIE MELLON (US)
International Classes:
G01C21/12; G01C22/00; (IPC1-7): G08G1/0969; G01C22/02; G01C21/04
Foreign References:
EP0060361A11982-09-22
US5402365A1995-03-28
US5075693A1991-12-24
DE3910912A11990-10-18
US5469158A1995-11-21
US5917449A1999-06-29
Other References:
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14 31 December 1998 (1998-12-31)
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