Method of determining the position of an object and...

Communications: electrical – Selective – Intelligence comparison for controlling

Reexamination Certificate

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C340S539130, C340S005700, C340S010410

Reexamination Certificate

active

06965296

ABSTRACT:
The position of a movable object is determined by a signal being transmitted by each of a number of antennas arranged in a spatially distributed manner of a fixed object to the movable object. In the movable object, on the one hand signal transit times are measured, and on the other hand the direction from which the signals are received are determined. From the two, the exact position of the object is determined with geometrical aids.

REFERENCES:
patent: 5172056 (1992-12-01), Voisin
patent: 5525967 (1996-06-01), Azizi et al.
patent: 5661470 (1997-08-01), Karr
patent: 5790043 (1998-08-01), Hettich et al.
patent: 5983347 (1999-11-01), Brinkmeyer et al.
patent: 2625719 (1991-03-01), None
patent: 41 07 116 (1992-09-01), None
patent: 41 07 803 (1992-09-01), None
patent: 196 47 098 (1998-06-01), None
patent: 197 38 323 (1999-02-01), None
patent: 198 36 957 (1999-09-01), None
“Radio System for Radio Location and Navigation;” Publisher: Berlin Union GmbH c. 1997.
“A Phase Measurement Radio Positioning System for Indoor Use” by Matthew S. Reynolds; c. 1999.

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