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2000-2002 S&T e-Digest Contents

2003 S&T e-Digest Contents


Vol. 43, Issue 5, May 2004, pp. 234-239




Advanced Electronic Compass for Mining Applications


Eli Marianovsky

Advanced Orientation Systems, Inc., Tel: 908-474-9595, fax: 908-474-9090,

E-mail: aosi@idt.net, http://www.aositilt.com


Received: 3 December 2003   /Accepted: 17 May 2004   /Published: 21 May 2004


Abstract: As the Millennium approaches the mining industry shows growing demand for low cost tools, which help to increase mining accuracy, provide information on the profile of the finished tunnel, and allow accurate multi-drilling and multi-directional alignment. Three-axis tilt and temperature compensated compass for mining application is described in the article. This new compass is able to read magnetic fields exceeding in magnitude the magnetic field of Earth. The sensor system includes magnetometer based on new advanced magneto-resistive MR magnetic sensors and linear tilt sensor.


Keywords: electronic compass, sensor system, magnetometer, magnetic sensors, linear tilt sensor


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