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Dead reckoning pedometer

United States Patent

April 15, 2003
View the Complete Patent at the US Patent & Trademark Office
Savannah River National Laboratory - Visit the Technology Transfer Website
A system to determine the location of a person within a structure utilizes a magnetometer, magnets, pressure sensors and a CPU to calculate the length and direction of each step. The data may be displayed to the wearer, preferably on a map or floorplan and may be broadcast to persons outside the structure.
Eakle, Jr.; Robert F. (Aiken, SC), Hofstetter; Kenneth J. (Aiken, SC)
Westinghouse Savannah River Company (Aiken, SC)
09/ 757,560
January 10, 2001
This invention was made with government support under contract DE-AC09-96SR18500 awarded by the U.S. Department of Energy to Westinghouse Savannah River Company and the government has certain rights in this invention.